**Papers Presented at Meetings, Conferences, and Talks
**

1. “Ground State of Liquid He^{4}“, Midwest Conference on Theoretical Physics, December 1961.

2. “Method of Cluster Expansion in Theory of Liquid He^{3}“, Virginia Acad. Science, May 1967.

3. “Further Results on the Modified KDP Model”, Yeshiva Symposium in Stat. Mech., November 1967.

4. “Exact Solution of the Short-Range, One-Band Model”, Yeshiva Symposium in Stat. Mech., April 1968.

5. Ising Model with Second Neighbor Interaction”, International Symposium on Critical Phenomena at Banff, Alberta, Canada, August 1968.

6. “A General Lattice Statistical Problem”, Yeshiva Symposium in Stat. Mech., December 2, 1968.

7. “An Approximate Solution for Ising Model with Crossing Interactions”, N.Y. APS Meeting, February 1969.

8. “Exact Solution of a Model of Hydrogen-Bonded Antiferroelectric”, Yeshiva Symposium in Stat. Mech., March 31, 1969.

9. “A Lattice Statistical Model of Phase Transitions”, Washington, D.C., APS Meeting, April 1969.

10. “Microscopic Calculations for Helium Submonolayers”, Washington, D.C., APS Meeting, April 1970.

11. “Exact Solution of a Ferroelectric in a Staggered Field”, Washington, D.C., APS Meeting, April 1970.

12. “Density Correlations in a Many Particle System”, International Union of Pure and Applied Physics Conference on Stat. Mech., Chicago, April 1971.

13. “Modified Potassium Dihydrogen Phosphate Model in a Staggered Field”., International Union of Pure and Applied Physics Conference on Stat. Mech., Chicago, April 1971.

14. “Ising Model with Four-Spin Interactions”, Yeshiva Symposium in Stat. Mech., May 1971.

15. “Critical Phenomena and Phase Transitions”, Summer Conference on Solid State Theory, Taiwan, June 1971.

16. “Method of Correlated Basis Functions”, Summer Conference on Solid State Theory, Taiwan, July 1971.

17. “Theory of Many-Fermion System”, Summer Conference on Solid State Theory, Taiwan, July 1971.

18. “Critical Phenomena and Phase Transitions”, Virginia Polytechnic Inst., October, 1971.

19. “Critical Phenomena and Phase Transitions”, State University of New York at Buffalo, November 1971.

20. “Two Dimensional Ferroelectric Models”, State University of New York at Buffalo, November 1971.

21. “Critical Phenomena and Phase Transitions”, Clark University, January 1972.

22. “Critical Phenomena and Phase Transitions”, University of Michigan, March 1972.

23. “Two Dimensional Ferroelectric Models”, University of Michigan, March, 1972.

24. “Phase Transitions in a Sixteen-Vertex Model”, Yeshiva Symposium in Stat. Mech., May 1972.

25. “Method of Correlated Basis Functions”, University of Paris, Orsay, January 29, 1973.

26. “Phase Transitions in a Decorated Ising Model”, Institut des Hautes Etudes Scientifiques, Bures-Sur-Yvette, France, February 7, 1973.

27. “Phase Diagram of an Ising Metamagnet”, Washington D.C., APS Meeting, April 1973.

28. “Some New Results on the Vertex Model”, Yeshiva University, New York, May 1973.

29. “Vertex Model in Statistical Mechanics”, The Australian National University, Canberra, Australia, Sept. 20, 1973.

30. “Vertex Model in Statistical Mechanics”, The University of Newcastle N.S.W., Australia, Sept. 28, 1973.

31. “Vertex Model in Statistical Mechanics”, The University of Melbourne, Melbourne, Australia, Oct. 11, 1973.

32. “Vertex Model in Statistical Mechanics”, The University of Adelaide, Adelaide, Australia, Oct. 12, 1973.

33. “Critical Phenomena and Phase Transitions”, National Taiwan University, Taiwan, Republic of China, March 1, 1974.

34. “Ising Model on a Triangular Lattice with Three-Spin Interactions”, National Tsing Hua University, April 15, 1974.

35. “Ising Model on a Triangular Lattice with Three-Spin Interactions”, University of Tokyo, Aug. 12, 1974.

36. “Staggered Ice-Rule Model on a Triangular Lattice with Three-Spin Interactions”, University of Tokyo, Aug. 12, 1974.

37. “Staggered Ice-Rule Model”, Yeshiva Symposium in Statistical Mechanics, December 12 1974.

38. “Critical Phenomena and Phase Transitions-Some Recent Developments”, Texas A&M University, February 6, 1975.

39. “Graphical Representation of Lattice Models in Statistical Mechanics”, Invited talk at Recontre on Combinatorial Mathematics and Its Applications, Aberdeen, Scotland, July 12, 1975.

40. “Some New Results in Lattice Statistics”, Ecole Polytechnique Federale, Lausanne, Switzerland, July 22, 1975.

41. “Multi-Component Spin System on a Cayley Tree”, IUPAP International Conference on Statistical Mechanics, Budapest, Hungary, August 28, 1975.

42. “Some New Results on the Potts Model”, Yeshiva Symposium in Statistical Mechanics, Yeshiva University, December 1, 1975.

43. “Some Combinatorial Problems, in Statistical Physics”, National Tsing Hua University, Taiwan, April 7, 1976.

44. “Recent Developments in Critical Phenomena”, California State University Fullerton, California, April 16, 1976.

45. “Graphical Expansions of the Potts Partitian Function”, International Summer School on Critical Phenomena and Phase Transitions, Banff, Alberta, Canada, August 24, 1976.

46. “Topics in Plasma Physics”, A series of three talks given at Institute of Nuclear Energy Research, Taiwan, July 14, 21, 28, 1976.

47. “Two Phase Transitions in the Three-Spin Ising Models”, Yeshiva Symposium in Statistical Mechanics, Yeshiva University, December 5, 1976.

48. “Percolation, Potts Model, and Related Problems”, Northeastern University, February 23, 1977.

49. “Potts Model and the Bond Percolation”, Boston University, February 25, 1977.

50. “On the Ashkin-Teller Model”, Boston University, March 4, 1977.

51. “Potts Model and Percolation”, Virginia Polytechnic Institute, March 29, 1977.

52. “Potts Model and Percolation”, Montana State University, August 8, 1977.

53. “Exact Results on Some Two Dimensional Lattice Models”, 13th IUPAU International Conference on Statistical Physics, Haifa, Israel, August 29, 1977.

54. “Potts Model, Whitney Polynomial, and Related Problems”, Boston Area Symposium on Statistical Mechanics, October 22, 1977.

55. “Percolation and Related Problems”, National Tsing Hua University, Taiwan, December 13, 1977.

56. “Exact Results in Lattice Statistics”, National Tsing Hua University, Taiwan, December 14, 1977.

57. “Potts Model and Percolation”, National Taiwan University, December 21, 1977.

58. “Vertex Models in Statistical Mechanics”, Tamkang College, Taiwan, December 22, 1977.

59. “Present Status of Vertex Model in Lattice Statistics”, MIT, April 6, 1978.

60. “Potts Model and Related Lattice Statistical Problems”, Laboratoire de Physique Theorique, Ecole Polytechnique Federeale, Lausanne, Switzerland, June 7, 1978.

61. “Potts Model and Related Lattice Statistical Problems”, University of Koln, Institute for Theoretical Physics, W. Germany, June 22, 1978.

62. “Potts Model and Related Lattice Statistical Problems”, Heidelberg University, June 23, 1978.

63. “Potts Model and Related Lattice Statistical Problems”, Institute for Theoretical Physics, University of Vienna, Austria, June 30, 1978.

64. “Potts Model and Related Lattice Statistical Problems”, Institute of Mathematics, University of Rome, Italy, July 19, 1978.

65. “Differential Form of Renormalization Group”, Institute of Physics, University of Salerno, Italy, July 20, 1978.

66. “Potts Model and Related Lattice Statistical Problems”, Institute of Physics, University of Salerno, Italy, July 21, 1978.

67. “Potts Model and Related Lattice Statistical Problems”, King’s College, London, England June 1, 1978.

68. “Phase Diagram of Antiferromagnetic Triangular Ising Model”, Rutgers Symposium in Statistical Mechanics, Rutgers University , Dec. 3, 1978.

69. “Potts Model with Two-and Three-Site Interaction”, Boston University, May 1979.

70. “Critical Phenomena”, Peking Normal University, Peking, People’s Republic of China, September 1979.

71. “Critical Phenomena”, Nanking University, Nanking, People’s Republic of China, September 1979.

72. “China Travellog” A Slide Presentation of My Visit to the People’s Republic of China”, Northeastern University, January 23, 1980.

73. “Triangular Potts Model”, Summer Institute in Statistical Mechanics, University of Washington, July 30, 1980.

74.”The Critical Isotherm of the Modified F Model”, 14th IUPAP International Conference on Statistical Physics, Edmington, Canada, August 21, 1980.

75.”Potts Model on the Triangular Lattice”, Catholic University, Nemeigen, Holland, Sept. 12, 1980.

76. “The Potts Model”, Technishce Hogeschool, Delft, Holland, September 1980.

77. “Graph-Theoretical Problems in Statistical Physics”, University of Amsterdam, Holland, October 2, 1980.

78. “Graph-Theoretical Problems in Statistical Physics”, Instituut-Lorentz, Leiden, Holland, November 5, 1980.

79. “Duality Relations of the Potts Model”, Instituut-Lorentz, Leiden, Holland, December 15, 1980.

80. “Triangular Potts Model”, University of Koln, W. Germany, January 3, 1981.

81. “Dilute Potts Model”, European Statistical Mechanics Meeting, Paris, January 13, 1981.

82. “Graph-Theoretical Problems in Statistical Physics”, Institut fur Festkorperforschung der Kernforschungsanlage, Juelich, W. Germany, February 5, 1981.

83. “Duality Relation of the Potts Model”, Eighth International Seminar on Phase Transitions and Critical Phenomena, MECO-81, University of Saarbuken, W. Germany, March 24, 1981.

84. “Recent Results on the Potts Model”, Ecole Federale Polytechnique, Lausanne, Switzerland, April 22, 1981.

85. “Antiferromagnetic Potts Model”, Boston University, June 2, 1981.

86. “Random Potts Model”, Boston University, June 9, 1981.

87. “The Potts Model”, National Tsing Hua University, Taiwan, December 1981.

88. “The Potts Model”, Northeastern University, February 10, 1982.

89. “The Potts Model”, Rocky Mountain-Southwest Theoretical Physics Conference, University of Utah, Salt Lake City, March 24, 1982.

90. “Network Communication as a Percolation”, Rutgers Symposium in Statistical Physics, Rutgers University, May 13, 1982.

91. “China-Travellog”, Northeastern University, June 8, 1982.

92. “The O(n) Model” Boston University, July 17, 1982.

93. “An Infinite-Range Bond Percolation”, third Joint Intermag. Magnetism and Magnetic Materials Conference, Montreal, July 21, 1982.

94. “Critical Properties of the Schick-Griffiths Model”, Rutgers University, December 16, 1982.

95. “Some Problems of Current Interests in Statistical Physics”, Institute of Theoretical Physics, Academy of Science, Peking, China, December 23, 1982.

96. “Introduction to Critical Phenomena and Phase Transitions”, Peking Normal University, Peking, China, December 25, 1982.

97. “The Potts Model and Its Applications”, International Conference on Condensed Matter Physics, Peking, China, December 29, 1982.

98. “Some Problems of Current Interest in Statistical Physics, Fudan University, Shanghai, China, January 10, 1983.

99. “Problems of Current Interests in Statistical Physics”, National Tsing Hua University, Taiwan, February 8, 1983.

100. “The Potts Model and Its Applications”, Schlumberger-Doll Research , March 1, 1983.

111. “The Potts Model”, University of California at Los Angeles, April 28, 1984.

112. “The Potts Model”, Emory University, Atlanta, GA, June 1, 1984.

113. “The Potts Model”, Institute of Physics, National Academy of Sciences, Taipei, Taiwan, September 6, 1984.

114. “The Potts Model and Its Applications”, The Catholic University of America, Washington, D.C., September 27, 1984.

115. “Recent Progresses in Lattice Statistics”, University of Rhode Island, Kingston, Rhode Island, October 26, 1984.

116. “Exact Solution of an Ising Model in a Nonzero Magnetic Field”, Rutgers Meeting in Statistical Mechanics, December 17, 1984.

117. “Non-Intersecting String Model-Equivalence with the Potts Model”, Rutgers Meeting in Statistical Mechanics, May 8, 1985.

118. “Non-Intersecting String Model”, National Tsing Hua University, Taiwan, Oct. 12, 1985.

119. “Application of Statistical Mechanics in the Theory of Alloys”, Institute of Precious Metals, Kunming, China, Oct. 21, 1985.

120. “Introduction to the Theory of Phase Transitions”, Yunnan Normal University, Kunming, China, Oct. 23, 1985.

121. “The Ising and the Potts Model”, Yunnan University, Kunming, Oct. 24, 1985.

122. “Scientific Research Funding in the U.S., “Institute of Precious Metals, Kunming, China, Oct. 27, 1985.

123. “Order-Disorder Transition in Alloys”, Institute of Precious Metals, Kunming, China, Oct. 30, 1985.

124. “Introduction to Critical Phenomena”, Southwest-China Teacher’s College, Chongqing, China, Nov. 2, 1985.

125. “The Non-Intersecting String Model”, Southwest-China Teacher’s College, Chongqing, China, Nov. 4, 1985.

126. “Introduction to the Theory of Phase Transitions”, South-Central Industrial University, Changsha, China, Nov. 9, 1985.

127. “Hard Molecules and Lattice Animals” Beijing Normal University, Beijing, China, Nov. 12, 1985.

128. “Equivalence of the Non-Intersecting String Model with a Potts Model”, Beijing Normal University, Beijing, China, Nov. 13, 1985.

129. “Graphical Solution of the Non-Intersecting String Model”, Beijing Normal University, Beijing, China, Nov. 15, 1985.

130. “Scientific Research Funding in the U.S.”, Academy of Sciences, Beijing, China, Nov. 16, 1985.

131. “Scientific Research Funding in the U.S.”, Fudan University, Shanghai, China, Nov. 19, 1985.

132. “Hard Molecules and Lattice Animals”, Fudan University, Shanghai, China, Nov. 20, 1985.

133. “Graphical Solution of the Non-Intersecting String Model”, Fudan University, Shanghai, China, Nov. 21, 1985.

134. “The Potts Model and Its Applications”, University of Houston, January 28, 1986.

135. “The Potts Model and Its Applications”, Florida Atlantic University, February 21, 1986.

136. “Order-Disorder Transition: A Pervasive Phenomenon of Nature”, Northeastern University (Klein Lecture), May 8, 1986.

137. “The Z-Invariant Nonintersecting String Model”, Rutgers Meeting in Statistical Mechanics, May 22, 1986.

138. “The Potts Model and Its Applications”, Florida State University, Tallahasse, Florida, Oct. 30, 1986.

139. “Critical Phenomena, an Overview”, Northeastern University, Nov. 13, 1986.

140. “Order-Disorder Transitions”, Institute of Physics, Academia Sinica, Taipei, December 19, 1986.

141. “Application of Graph Methods in Statistical Physics”, National Tsing Hua University, December 21, 1986.

142. “The Vicious Neighbor Problem”, National Tsing Hua University, Taiwan, December 21, 1986.

143. “The Vicious Neighbor Problem”, Institute of Physics, National University of Mexico, January 28, 1987.

144. “The Potts Model and Its Applications”, State University of New York at Buffalo, February 19, 1987.

145. “The Vicious Neighbor Problem”, American Physical Society Meeting, New York, NY, March 19, 1987.

146. “The Vicious Neighbor Problem”, University of Houston, March 31, 1987.

147. “Order-Disorder Transitions”, Texas Christian University, April 2, 1987.

148. “The Potts Model”, Yale University, New Haven, CT, April 8, 1987.

149. “The Vicious Neighbor Problem”, Brandeis University, Waltham, MA, April 10, 1987.

150. “The Vicious Neighbor Problem”, Boston University, August 6, 1987.

151. “The Vicious Neighbor Problem”, Federal University of Fluminense, Niteroi, Brazil, September 17, 1987.

152. “The Vicious Neighbor Problem”, Federal University of Pernambuco, Recife, Brazil, September 22, 1987

153. “Applications of Graphical Methods in Statistical Mechanics”, Brazilian Center of Physics Research, Rio de Janeiro, Brazil, September 23, 1987.

154. “The Vicious Neighbor Problem”, Catholic University of Pontificia, Gavea, Brazil, September 24, 1987.

155. “Blume-Emery-Griffiths Model on the Honeycomb Lattice”, Brazilian Center of Physics Research, Rio de Janiero, Brazil, September 29, 1987.

156. “Exact Results on the Blume-Emery-Griffiths Model”, University of Washington, November 4, 1987.

157. “The Vicious Neighbor Problem”, University of Washington, November 17, 1987.

158. “Potts Model and Graph Theory”, University of Washington, December 8, 1987.

159. “Disorder Solution”, National Tsing Hua University, January 14, 1988.

160. “The Vicious Neighbor Problem”, Annual Meeting of Chinese Physical Society, Taiwan, February 6, 1988.

161. “Yang-Baxter Equation”, National Tsing Hua University, February 19, 1988.

162. “Exact Results on the Blume-Emery-Griffiths Model”, Institute of Physics, Academia Sinica, Taipei, February 12, 1988.

163. “Potts Model and Graph Theory”, Winter Workshop in Statistical Mechanics, Taipei, February 26, 1988.

164. “The Spin-1 Ising Model on the Honeycomb Lattice”, National Taiwan University, Taipei, March 15, 1988.

165. The Potts Model”, National Cheng Kung University, Tainan, April 16, 1988.

166. “The Vicious Neighbor Problem”, The Seoul National University, Seoul, May 2, 1988.

167. “The Potts Model”, The Korean University, Seoul, May 3, 1988.

168. “The Blume-Emery-Griffiths Model on the Honeycomb Lattice”, Korean Symposium in Statistical Mechanics, Seoul, May 7, 1988.

169. “Potts Model and Graph Theory”, Korean Symposium in Statistical Mechanics, Seoul, May 7, 1988.

170. “Potts Model and Graph Theory”, Rutgers Meeting in Statistical Mechanics, Rutgers University, May 13, 1988.

171. “Potts Model and Graph Theory”, Ecole Polytechnic Federal, Lausanne, Switzerland, June 21, 1988.

172. “Exact Critical Line for the Antiferromagnetic Ising Model”, Northeastern University, November 17, 1988.

173. “Critical Line for the Antiferromagnetic Ising Model, Rutgers Meeting in Statistical Mechanics, December 16, 1988.

174. “Exact Critical Frontier for the Ising Model on the Honeycomb Lattice”, Ecole Polytechnic Federal, Lausanne, Switzerland, Jan. 19, 1989.

175. “Critical Line for the Antiferromagnetic Ising Model on the Honeycomb Lattice”, Institute of Physics, Academia Sinica, Taipei, Taiwan, April 27, 1989.

176. “Eight-Vertex Model on the Honeycomb Lattice”, National Tsing Hua University, Hsinchu, Taiwan, April 28, 1989.

177. “Exact Results of the 8-Vertex Model on the Honeycomb Lattice”, 17th IUPAP Conference on Statistical Physics, Rio de Janiero, Brazil, July 31, 1989.

178. “Antiferromagnetic Ising Model in a Magnetic Field”, University of Maine, August 4, 1989.

179. “Graph-Theoretical Problems in Statistical Physics”, Mathematics Department, Northeastern University, November 8, 1989.

180. “High-Temperature Behavior of the Yang-Lee Zeros”, Statistical Mechanics Meeting, Rutgers University, December 14, 1989.

181. “Lattice Models and the 0(2) Gauge Transformation”, University of Melbourne, Australia, March 2, 1990.

182. “Lattice Models and the 0(2) Gauge Transformation”, Australian National University, Canberra, March 8, 1990.

183. “Exactly Solvable Models in Statistical Mechanics”, Academia Sinica, Taipei, April 14, 1990.

184. “Recent Development in Statistical Mechanics”, Institute of Nuclear Energy Research, April 18, 1990.

185. “Tutte Polynomial on a Lattice”, Academia Sinica, Taipei, April 23, 1990.

186. “The 0(2) Gauge Transformation and the Antiferromagnetic Ising Model”, National Tsing Hua University, May 2, 1990.

187. “Duality Relations of Potts Correlation Functions”, Statistical Mechanics Meeting, Rutgers University, May 11, 1990.

188. “Tutte Polynomial on a Lattice”, Department of Mathematics, Northeastern University, Boston, May 23, 1990.

189. “Self-Avoiding Polygons on a Lattice”, Academia Sinica, June 13, 1990.

190. “Introduction to Critical Phenomena”, National Central University, Chungli, Taiwan, June 14, 1990.

191. “Introduction to Critical Phenomena”, Academia Sinica, Taipei, Taiwan, June 20, 1990.

192. “The 0(2) Gauge Transformation and the Antiferromagnetic Ising Model”, Academia Sinica, Taipei, Taiwan, June 21, 1990.

193. “Exact Results on the 0(n) Model in Two Dimensions”, Academia Sinica, Taipei, Taiwan, June 22, 1990.

194. “Potts Model and Its Applications”, Utah State University, September 13, 1990.

195. “Counting of Polygons on a Lattice”, Department of Mathematics, Northeastern University, November 21, 1990.

196. “The Ising Model and the 0(2) Gauge Transformation”, Los Alamos National Laboratory, January 24, 1991

197. “Knot Theory and Statistical Mechanics”, Department of Physics, Northeastern University, April 25, 1991.

198. “Solving Models in Statistical Physics”, Beijing Normal University, June 7, 1991.

199. “0(2) Gauge Transformation and the Ising Model “, Beijing Normal University, June 8, 1991.

200. “Knot Theory and Statistical Mechanics”, Institute of Theoretical Physics, Academia Sinica, Beijing, June 10, 1991.

201. “Potts Model and It’s Applications”, Institute of Theoretical Physics, Academia Sinica, Beijing, June 11, 1991.

202. “Lattice Models in Statistical Physics”, Institute of Physics, Academia Sinica, Taipei, June 20, 1991.

203. “Knot Theory and Statistical Mechanics”, Institute of Physics, Academia Sinica, Taipei, June 20, 1991.

204. “0(n) Gauge Transformation for Lattice Models”, Institute of Physics, Academia Sinica, Taipei, June 24, 1991.

205. “Knot Theory and Statistical Mechanics”, Ecole Polytechnique Federale, Lausanne, Switzerland, September 4, 1991.

206. “Knot Theory and Statistical Mechanics”, University of Massachusetts, Amherst, MA, October 17, 1991.

207. “Ising Model, Blume-Emery-Griffiths Model and Gauge Transformations”, Materials Center, MIT, October 18, 1991.

208. “Knot Theory and Statistical Physics”, Harvard University, October 24, 1991.

209. “Graph Theory in Statistical Physics”, National Tsing Hua University, Taiwan, Nov. 13, 1991.

210. “Three-State Spin Models”, National Tsing Hua University, Taiwan, Nov. 15, 1991.

211. “Solving Models in Statistical Physics”, National Taiwan University, Taiwan, Nov. 19, 1991.

212. “Knot Theory and Statistical Physics”, Rutgers meeting in Statistical Mechanics, May 14, 1992.

213. “Yang-Baxter Equations and Knot Invariants”, University of Paris, July 27, 1992.

214. “Exactly Solvable Models and Knot Invariants”, 18th IUPAP conference on Statistical Physics, Berlin Germany, August 7, 1992.

215. “Knots and Statistical Physics”, International Workshop in Statistical Physics, Beijing, China, Oct. 19, 1992.

216. “Exact Solution of a Vertex Model for Flux Lines and Directed Polymers”, Rutgers Meeting in Statistical Mechanics, May 7, 1993.

217. “Knot Theory and Statistical Mechanics”, a series of 3 lectures given at Institute of Physics, academia Sinica, Taipei, July 27-28, 1993.

218. “Exact Solution of a Model of Type-II Superconductors”, IUPAP Symposium in Statistical Mechanics, Taipei, Taiwan, Aug. 9, 1993.

219. “Knot Theory and Statistical Mechanics”, Department of Mathematics, UCLA, Oct. 14, 1993.

220. “Exactly Soluble Model of Type-II Superconductors”, University of Washington, Oct. 19, 1993.

221. “Generalized Gaussian Summation and a New Knot Invariant”, Rutgers Meeting in Statistical Mechanics, Dec. 16, 1993.

222. “Exactly Solved Models in Statistical Mechanics”, Nankai University, Tiajin, China, July 11, 1994.

223. “Exactly Solved Models in Statistical Mechanics”, Nankai University, Tiajin, China, July 11, 1994.

224. “Knot Theory and Statistical Physics”, Joint Meeting of North American Physical Societies, Cancun Mexico, September 27, 1994.

225. “Exact Solvable Vertex Model in d Dimensions”, Delft University, Delft the Netherlands, October 26, 1994.

226. “Knots in Statistical Mechanics”, Lorentz Institute, University of Leiden, Leiden, the Netherlands, November 2, 1994.

227. “Knot Invariants”, University of Amsterdam, Amsterdam, the Netherlands, Nov.. 17, 1994.

228. “Knots and Statistical Mechanics”, Southern Illinois University, Carbondale, IL, Dec. 9, 1994.

229. “Exactly Solvable Vertex Models in d Dimensions”, Institute for Advanced Studies, Princeton, NJ, December 14, 1994.

230. “Free-Fermion Model in d Dimensions”, National Sun Yat Sen University, Kaoshung, Taiwan, Jan. 20, 1995.

231. “Knot Theory and Statistical Mechanics”, National Sun Yat Sen University, Kaoshung, Taiwan, Jan. 20, 1995.

232. “Some Recent Results on Vertex Models”, Institute of Physics, Academia Sinica, Taipei, Taiwan, Feb. 8, 1995.

233. “Knot Invariant and Statistical Mechanics”, Workshop on Physics and Combinatorics, CIRM, Marseille, France, March 27, 1995.

234. “Free-Fermion Model in d Dimensions”, Workshop on Physics and Combinatorics, CIRM, Marseille, France, March 28, 1995.

235. “Exact Solution of the Infinite-State Potts Model and Restricted Partitions in Number Theory”, Northeastern University, April 25, 1995.

236. “Exact Solution of the Infinite-State Potts Model and Partitions of Numbers”, 19th IUPAP International Conference on Statistical Physics, Xiamen, China, August, 1995.

237. “Exact Solution of Free-Fermion Models in Any Dimension”, Meeting on Statistical Models, Yang-Baxter Equations, and Related Topics, Tianjin, China, August, 1995.

238. “Lattice Models and Related Topics”, Institut Henri Poincare, Paris, October 21-29, 1996.

239. “Exact Solutions of Dimer Systems in 2 and 3 Dimensions”, EPFL Lausanne, Switzerland, November 5, 1996.

240. “The Potts Model, Lattice Animals, and Restricted Partitions in Number Theory”, Virginia Polytechnic Institute and State University, March 17, 1997.

241. “Exact Solution of a 3-dimensional Dimer Model”, International Workshop of Statistical Mechanics and Integrable Systems I, Coolangatta, Queensland, Australia, July 21, 1997.

242. “Exact Solution of Interacting Dimers on the Honeycomb Lattice”, International Workshop on Statistical Mechanics and Integrable Systems II, Canberra, Australia, August 5, 1997.

243. “Duality Relation of Potts Correlation Functions”, Taipei International Workshop on Statistical Physics, Taipei, Taiwan, August 9, 1997.

244. “Exact Lattice Statistics in Three Dimensions”, Second World-wide Joint Meeting of Chinese Physicists, Taipei, Taiwan, August 11, 1997.

245. “Exact Solution of a Class of Lattice Models in Three Dimensions”, 7^{th} Asian Pacific Physics Conference, Beijing, China, August 15, 1997.

246. “Duality Relation for the Potts Model”, Nankai Symposium on Integrable Models, Tianjin, China, August 26, 1997.

247. “Duality Relation of the Potts Correlation Function”, Institute of Physics, Academia Sinica, Taipei, Taiwan, June 25, 1997.

248. “Exact Results on Partition Function Zeroes of the Ising Model”, Institute of Physics, Academia Sinica, Taipei, Taiwan, June 26, 1998.

249. “Partition Function Zeroes of Self-dual Spin Models”, Ecole Polytechnique de Federale, Lausanne, Switzerland, August 20, 1998.

250. “The Rooted Tutte Polynomial”, Fourier Institute of Mathematics, Grenoble, France, September 1, 1998.

251. “The Rooted Tutte Polynomial”, Institute of Physics, Academia Sinica, Taipei, Taiwan, October 15, 1998.

252. “Partition Function Zeroes of Lattice Models”, Asia-Pacific Center for Theoretical Physics, Seoul, Korea, October 22, 1998.

253. “Self-Dual Polynomials in Statistical Mechanics”, Max Planck Institute for Complex Systems, Dresden, Germany, February 24, 1999.

254. “Exact Solutions in Statistical Physics”, National Taiwan University, Taipei, Taiwan, March 22, 1999.

255. “Self-dual Polynomials in Physics and Mathematics”, National Taiwan University, Taipei, Taiwan, March 25, 1999.

256. “Self-dual Polynomials and Partition Function Zeroes,” Northeastern University, April 8, 1999.

257. “Two Exactly Soluble Lattice Models in Two Dimensions,” Symposium on Statistical Physics on the Eve of the 21^{st} Century, Delray Beach, Florida, May 7, 1999.

258. “Graph Theory in Statistical Physics,” National Center for Theoretical Sciences, Hsin Chu, Taiwan, August 4 and 5, 1999.

259. “Dimers and Exactly Soluble Models in Statistical Mechanics,” National Tung Hua University, Hualian, Taiwan, August 13, 1999.

260. “Dimerstatistics on the Moebius Strip”, National Center for Theoretical Sciences, Hsin Chu, Taiwan, Aug. 31, 1999

261. “Dimer Statistics,” National Taiwan University, Taipei, Taiwan, September 10, 1999.

262. “Dimer Statistics and Spanning trees”, C.N. Yang Institute for Theoretical Physics, SUNY at Stony Brook, NY, November 8, 1999.

263. “Dimers and Spanning trees on Latties and Non-orientable Surfaces”, Institute of Physics, Academia Sinica, Taipei, Taiwan, November 19, 1999.

264. “Lattice Models on Non-orientable Surfaces”, Rutgers University, December 12, 1999.

265. “Spanning Trees and Dimers on Lattices in d Dimensions,” Symposium on Baxter Revolution, Canberra, Australia, February 17, 2000.

266. “Dimer Statistics in Three Dimensions,” University of Melbourne, Australia, February 21, 2000.

267. “Dimer Statistics,” Ecole Polytechnique de Federale, Lausanne, Switzerland, June 20, 2000.

268. “Ising model on a Moebius strip,” OCPA conference, Hong Kong, August 7, 2000.

269. “Lattice Statistics as an Instance of Mathematical Physics,” APCTP-Nankai Joint Symposium on Lattice Statistics and Mathematical Physics, Nankai University, Tianjin, China, October 8, 2001.

270. “Dimer Statistics and Spanning Trees,” Center for Advanced Studies, Tsing Hua University, Beijing, China, October 18, 2001.

271. “Solving Models in Statistical Mechanics,” Beijing Normal University, Beijing, China, October 19, 2001.

272. “Dimers and Spanning Trees,” Santa Clara University, Santa Clara, CA, March 5, 2002.

273. “The One-Dimensional Hubbard Model,” University of California, Berkeley, CA, April 9, 2002.

274. “The One-Dimensional Hubbard Model, A Reminiscence,” Invited Talk, Stat Phys. – Taiwan, May 27, 2002.

275. “Potts Model Correlation Duality Relations,” Stat Phys. – 2000, Taiwan, June 1, 2002.

276. “Dimers and Spanning Trees: Some Recent Results,” Symposium on Frontiers in Science, Beijing, China, June 17, 2002.

277. “The One-Dimensional Hubbard Model,” Institute for Theoretical Physics, Academy of Science, Beijing, China, June 21, 2002.

278. “Dominoes and Spanning Trees: Some Recent Results,” National Taiwan University, Taipei, Taiwan, June 25, 2002.

279. “Duality Relation for Frustrated Spin Systems” Institute of Physics, Academia Sinica, Taipei, Taiwan, November 15, 2002.

280. “Dimer Statistics on Two-Dimensional Lattices”, The 88^{th} Statistical Mechanics Meeting, Rutgers University, December 18, 2002

281. “Dimer Statistics of Two-Dimensional Lattices”, Conference of Number Theory and Combinatorics in Physics, University of Florida, March 20, 2003.

282. “The One-Dimensional Hubbard Model: A Story Told 34 Years Late”, National Tsing Hua University, Taiwan, April 23, 2003.

283. “Perfect Matchings on Two Dimensions”, National Center for Theoretical Sciences, Taiwan, April 25, 2003.

284. “The Rooted Tutte Polynomial and The Potts Correlation Function”, 2003 SIAM annual Meeting, Montreal, June 19, 2003.

285. “Theory of Resistor Networks”, Taipei Summer Workshop on Statistical and Nonliear Physics, Taipei, July 1, 2004.

286. “Some Recent Results in Lattice Statistics”, Taipei Summer Workshop on Statistical and Nonlinear Physics, Lungtan, Taiwan, August 4, 2004.

287. “Two-point Resistance in Resistor Neworks”, Wu-Ta-You Science Camp, Sitou, Taiwan, August 9, 2004.

288. “Combinatorics and Statistical Physics”, Wu-Ta-You Science Camp, Sitou, Taiwan, August 10, 2004.

289. “Two-point Resistance in a Resistor Network”, Northeastern University, October 21, 2004.

290. “Some Recent Results in Lattice Statistics”, the Landelijk Seminarium, Delft University, Delft, the Netherlands, December 10, 2004.

291. “Theory of Resistor Networks: 2-poing Resistance”, Lorentz Institute of Physics, Leiden, the Netherlands, December 15, 2004.

292. “Dimer Statistics”, Workshop on Statistical Physics, Institute of Physics, Academia Sinica, Taipei, May 13, 2005.

293. “Two-point Resistance in a Resistor Network,” Institute of Mathematics, Academia Sinica, Taipei, May 17, 2005.

294. “Two-point Resistance in a Resistor Network”, National Chung Shan University, Kaoshiung, Taiwan, May 20, 2005.

295. “How to do Research in Physics: Starting with the Ohm’s Law”, Chung Yuan Christian University, Chungli, Taiwan, May 25, 2005.

296. “Two-point Resistance in a Resistor Network”, Chern Institute of Mathematics, Nankai University, Tianjin, China, August 26, 2005.

297. “Two-point Resistance in a Resistor Network”, Nanjing University, Nanjing, China, September 25, 2005.

298. “New Formulation of Resistances in a Resistor Network: A Problem not Solved by Kirchhoff”, Center for Advanced Studies, Tsing Hua University, Beijing, September 30, 2005.

299. “Two-point Impedance in an Impedance Network: A New Formulation”, Institute of Physics, Academy of Sciences, Beijing, October 10, 2005.

300. “Two-point Impedance in an Impedance Network”, The 94^{th} Statistical Mechanics Meeting, Rutgers University, New Brunswick, December 18, 2005.

301. “Theory of Impedance Networks: A New Formulation of the Kirchhoff Law ”, Fudan University, Shanghai, China , September 28, 2006.

302. “The Potts Model: An Introduction”, Institute of Modern Physics, Zhejiang a University, Hangzhou, China , October 10 , 2006.

303. “Theory of Impedance Networks: A New Formulation of the Kirchhov Law ”, Institute of Modern Physics, Zhejiang University, Hangzhou, China , October 12, 2006.

304. “Recent Results in Dimer Statistics”, Workshop on Critical Phenomena and Complex Systems, Institute of Physics, Academia Sinica, Taipei, March 2, 2007.

305. “Theory of Impedance Networks: A New Formulation of the Kirchoff Law”, Workshop on Critical Phenomena and Complex Systems, Institute of Physics, Academia Sinica, Taipei, March 2, 2007.

306. “Theory of Impedance Networks,” National Center for Theoretical Sciences, National Tsing Hua University, Hsinchu, Taiwan, March 5, 2007.

307. “Two-Point Impedance in an Impedance Network”, Chung Yuan Christian University, Chungli, Taiwan, March 6, 2007.

308. “Professor C. N. Yang and Statistical Mechanics”, Invited talk at Conference on Statistical Physics, High Energy, Condensed Matter, and Mathematical Physics, in Honour of Professor Yang’s 85^{th} Birthday, Singapore, November 1, 2007.

309. “A New Formulation of the Kirchhoff Law”, Royal Holloway College, University of London, April 17, 2008.

310. “Theory of Electric Circuits”, Invited talk at Workshop on Combinatorics and Statistical Mechanics, Issac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom, April 25, 2008.

311. “The Potts model: An Introduction and Some New Results”, National Taiwan University, Taipei, Taiwan, March 17, 2009.

312. “Knot Theory and Statistical Mechanics”, National Taiwan University, Taipei, March 25, 2009.

313. “Professor C. N. Yang and Statistical Mechanics”, National Taiwan University, Taipei, Taiwan, March 26, 2009.

314. “Corner-to-Corner Resistance in a Rectangular Resistor Network”, Workshop in Statistical Mechanics and Complex Phenomena, Academia Sinica, Taipei, Taiwan, March 27, 2009.

315. “Potts Critical Point: A Review and Some New Results”, Workshop in Statistical Mechanics and Complex Phenomena, Academia Sinica, Taipei, Taiwan, March 30, 2009.

316. “Potts Critical Point: A Review and Some New Results”, Beijing Normal University, Beijing, China, April 9, 2009.

317. “New Formulation of the Kirchhoff Theory of Electric Networks: The 2-Point Impedance”, Beijing Normal University, Beijing, China, April 10, 2009.

318. “The Chinese Chess: Its History and Related Topics”, Beijing Normal University, Beijing, China, April 14, 2009.

319. “The Jones Polynomial as a Knot Invariant”, Beijing Normal University, Beijing, China, April 17, 2009.

320. “Potts Critical Point: A Review and Some New Results”, Fudan University, Shanghai, China, April 22, 2009.

321. “Theory of Resistor and Impedance Networks: A New Formulation”, University of Massachusetts, Boston, April 21, 2010.

322. “Potts and Percolation Models on Lattices with Hexagonal Symmetry: Closed-Form Expressions of Critical Frontiers and Numerical Analysis”, Academia Sinica, Taipei, Taiwan, July 5, 2010.

323. “The Ising Model and Related Problems in Statistical Mechanics: Its History and Some Very Recent Developments”, National Taiwan University, Taipei, Taiwan, July 12, 2010.

324. “Computation of Resistances: The Anatomy of a Theoretical Research”, National Taiwan University, Taipei, Taiwan, July 14, 2010.