Special Months : Singularity Theory and Related Areas
We are organizing various research seminars and talks on "Singularity Theory and Related Areas" from October to December of 2005. These activities are part of our 21th Century COE Program, "Mathematics of NonLinear Structure via Singularity".
 Organizers:
 S. Izumiya, G. Ishikawa, T. Ohmoto
 Period:
 October 1, 2005  December 31, 2005
 Venue:
 Department of Mathematics, Hokkaido University
 Secretary: Ms. Neriugawa and Ms. Sasamori
 Tel: 0117064671 Fax: 0117064672
Email: cri@math.sci.hokudai.ac.jp
* Past Symposiums and Workshops
Opening Address and Special Lecture
 Date: October 6, 2005 14:4516:15
 Venue: Room 309, Building 8, Department of Mathematics, Faculty of Science, Hokkaido University
 Organizer: G. Ishikawa
 Opening address: Professor S. Izumiya (Hokkaido Univ., Japan)
* It will be for a few minutes
 Special lecture:
 Speaker: Professor L. Paunescu (University of Sydney, Australia)
 Title: Newton polygons and tree models
Singularities of Differential Systems
 Period: October 11, 2005  October 13, 2005
 Venue: Room 508, Building 4, Department of Mathematics, Hokkaido University
 Organizer: G. Ishikawa
 Speakers:
 Prof. M. Zhitomirskii (TechnionIsrael Institute of Technology)
Prof. L. Paunescu (University of Sydney)
Prof. K. Yamaguchi (Hokkaido University)
Prof. K. Sakuma (Kinki University)
Prof. G. Ishikawa (Hokkaido University)
Dr. J. Adachi (Hokkaido University)
Dr. M. van Manen (Hokkaido University)
 » Program
Special Lecture
 Date: October 18, 2005 16:3018:00
 Venue: Room 309, Building 8, Department of Mathematics, Faculty of Science, Hokkaido University
 Organizer: G. Ishikawa
 Speaker: Professor M. Zhitomirskii (Department of Mathematics, Technion, Haifa, Israel)
 Title: THE HOMOTOPY METHOD
 Comment:
 I will try to explain, basing on many examples, that this method and its modifications is a very powerful tool. Of course, this talk can be made informal if there will be only few people interested in it.
Expository Talk
 Dates: November 15 & 16, 2005 16:3017:30
 Venue: 309, Building #8, Department of Mathematics, Faculty of Science, Hokkaido University
 Organizer: S. Izumiya
 Speaker: Professor Farid Tari (Durham University)
 Titles:
 Bifurcations of implicit differential equations (Nov. 15)
Families of curve congruences on surfaces in R^{3} (Nov. 16)
Generic differential geometry
Singularities and differential geometry
 Dates: November 24, 2005  November 26, 2005
 Venue: Room 508, Building 4, Department of Mathematics, Hokkaido University
 Organizer: S. Izumiya
 Program:
 November 24, 2005 (Thursday)
 11:00  12:00
 M. C. Romero Fuster (University of Valencia)
2  regular immersions of surfaces in euclidean space
 14:00  15:00
 M. Umehara (Osaka University)
Inflection points on simple closed curves in the real projective plane
 15:30  16:30
 B. Li (Changsha University of Science and Technology)
On the bifurcation of a sort of power system models  using singularity theory
November 25, 2005 (Friday)
 10:00  11:00
 F. Tari (University of Durham)
Surfaces in R^{4} and their projections to 3 spaces
 11:30  12:30
 D. Pei (Northeast Normal University of China)
On spacelike surface in pseudohyperbolic 4space
 14:00  15:00
 K. Yamada (Kyushu University)
Flat fronts in hyperbolic 3space
 15:30  16:15
 E. Sanabria Codesal (Polytechnic University of Valencia)
Conformal Curvatures
 16:3017:30
 O. Saeki (Kyushu University)
Elimination of definite fold
 18:30
 Reception
November 26, 2005 (Saturday)
 10:00  11:00
 T. Nishimura (Yokohama National University)
Pedal curves and singularities
 11:30  12:30
 Y. Chekanov (Moscow Center for Continuous Mathematical Education)
Arnold's 4cusp and 4vertex conjectures
Recent Topics on Real and Complex Singularities
(RIMS workshop)
 Dates: November 28, 2005  December 1, 2005
 Venue: Room 115, Research Inst. Math. Sci., Kyoto University
 Organizer: T. Ohmoto
 Expected Speakers:
 Prof. Kyoji Saito (RIMS)
Prof. Tatsuo Suwa (Niigata Univ.)
Prof. Mutsuo Oka (Tokyo Univ. Sci.)
Prof. Hiroaki Terao (Tokyo Met. Univ.)
Prof. Hiroo Tokunaga (Tokyo Met. Univ.)
Prof. Shinichi Tajima (Niigata Univ.)
Prof. Sumio Watanabe (Tokyo Inst. Tech.)
 » Program
Expository Talk
 Dates: December 6 & 7, 2005 16:3017:30
 Venue: 309, Building #8, Department of Mathematics, Faculty of Science, Hokkaido University
 Organizer: S. Izumiya
 Speaker: Professor M. C. Romero Fuster (University of Valencia)
 Titles:
 Submanifolds of codimension 2 in euclidean space part1 (December 6）
Submanifolds of codimension 2 in euclidean space part2 (December 7）
Workshop "PHASE SINGULARITIES AND TOPOLOGY"
 Dates: December 13, 2005  December 15, 2005
 Venue: Room 4508, Building 4, Department of Mathematics, Hokkaido University
 Organizers : Shyuichi IZUMIYA (Hokkaido Univ.), Goo ISHIKAWA (Hokkaido Univ.)
 Scientific Committee:

Hideyuki MAJIMA (Ochanomizu Univ.)
Akira KANEKO (Ochanomizu Univ.)
Oliver B. WRIGHT (Hokkaido Univ.)
Gen NAKAMURA (Hokkaido Univ.)
Satoshi TANDA (Hokkaido Univ.)
Tohru OZAWA (Hokkaido Univ.)
 Expected Speakers:
 Kazuhiko Aomoto (Kyoto Sangyo Univ.)
Akira KANEKO (Ochanomizu Univ.)
Shyuichi IZUMIYA (Hokkaido Univ.)
Gen NAKAMURA (Hokkaido Univ.)
Tatsushi MORIOKA (Osaka Kyoiku Univ.)
Taco D. Visser（Vrije Universiteit Amsterdam)
Oliver B. Wright（Hokkaido Univ.）
Takaharu TSUKADA (Nihon Univ.)
Yasuhide FUKUMOTO (Kyushu Univ.)
Takashi SAKAJO (Hokkaido Univ.)
Satoshi TANDA (Hokkaido Univ.)
Jiro ADACHI (Hokkaido Univ.)
Goo ISHIKAWA (Hokkaido Univ.)
Tohru OZAWA (Hokkaido Univ.)
 » Program
* This workshop is one of joint activities of two projects: the 21th Century COE Program, "Mathematics of NonLinear Structure via Singularity" (Leader: Tohru OZAWA), and the 21st Century COE Program, "Topological Science and Technology " (Leader: Satoshi TANDA),