Record of the Topology Seminar '98

Speakers and Titles of Talks

• 23/02 Sako Akifumi (Hokkaido University)

Introduction to topological field theory
• 09/02

Kazuki Mima (Hiroshima Univ.)
Construction of lens spaces by Dehn surgery on hyperbolic knots
Mamoru Uemura (Hiroshima Univ.)
On algorithms for computing the convex hull of n points
Hirofumi Imai (Hiroshima Univ.)
Descriminant set of a stable map and Euler characteristic of a surface with boundary
Soichi Itoh (Hiroshima Univ.)
Realization problem of algebras related to the cohomology of 3-connected fibers of Sp(3) and SU(4)
• 02/02

Masahiro Ohtoge (Hiroshima Univ.)
On boundary slopes of genus two nonorientable Seifert surfaces of hyperbolic knots
Yoshiyuki Uesugi (Hiroshima Univ.)
On polynomial invariants and Conway representations of almost alternating knots
Mitsuo Iimura (Hiroshima Univ.)
Morse type inequalities for stable maps of 3-manifolds into the plane
Kazuma Adachi (Hiroshima Univ.)
Geometry of two-point functions
• 26/01 Shicheng Wang (Peking University)

Amphicheiral embeddings of links and graphs
• 19/01 Kazushi Ahara (School of Science and Technology, Meiji University)

Trivalent digital curve shortening
• 12/01 Mizuho Hikida (Hiroshima Prefectural University)

The homotopy groups of localized spectra
• 15/12 Hiromichi Nakayama (Fac. of Integrand Arts and Sciences, Hiroshima Univ.)

Fiberwise invariant measures of ergodic flows
• 08/12 Takao Matumoto (Department of Mathemathics, Hiroshima University)

Cusp equivalence of smooth embeddings of 2-sphere in 4-space
• 24/11 Yuusuke Kawamoto (Department of Mathematics, Hiroshima University)

H-spaces with finitely generated cohomology
• 17/11 Mikami Hirasawa (Department of Mathematics, Osaka University)

Essential laminations and Dehn surgery on knots
• 13/11 James P. Lin (Univ. of California, Kochi University)

Topology of Lie groups
• 27/10 Masaaki Umehara (Department of Mathematics, Hiroshima University)

A refinement of the four vertex theorem
• 20/10 Nobuhiro Honda (Department of Mathematics, Hiroshima University)

On the existence of twistor spaces of algebraic dimension 2
• 13/10 Kazuhiro Ichihara (Department of Mathematics, Graduate School of Science and Engineering Tokyo Institute of Technology)

Immersed essential surfaces in hyperbolic 3-manifolds with totally geodesic boundary
• 06/10 Osamu Saeki (Department of Mathematics, Hiroshima University)

On punctured 3-manifolds in S^5
• 22/09 Masaharu Morimoto (Faculty of Environmental Science and Technology, Okayama University)

Fixed point sets of smooth actions of finite Oliver groups on spheres
• 28/07 Shin Nayatani (Mathematical Institute, Tohoku University)

Rank one discrete groups and pseudo-Riemannian geometry
• 14/07, 21/07 No seminar
• 07/07 Mitsunori Imaoka and Kouji Kuwana (Faculty of Education, Hiroshima Univ.)

Stably extendible vector bundles over HP^n
• 30/06 Masaro Takahashi (Kurume national college of technology)

Some classes of vector bundles on compact homogeneous Kaehler manifolds
• 23/06 No seminar
• 16/06 Susumu Hirose (Saga Univ.)

On a presentation for mapping class groups of 3-dimensional handlebodies
• 09/06 Atusi Koike (Osaka Univ.)

On the finite type invariant of embeddings of a theta-curve
• 02/06 Masayuki Asaoka (Kyoto Univ.)

Markov covers and finiteness of periodic attractors for diffeomorphisms with a dominated splitting
• 26/05 Hiroaki Kanno (Hiroshima Univ.)

The blow-up formula for Donaldson invariants and elliptic modular functions
• 19/05 Masaaki Umehara (Hiroshima Univ.)

Flux formula for CMC1 surfaces in H^3 and its applications
• 12/05 Takao Matumoto (Hiroshima Univ.)

Automorphism groups of Hopf surfaces (after N.Nakagawa)
• 28/04 Masakazu Teragaito (Hiroshima Univ.)

On tangle decompositions of tunnel number one links
• 21/04 Norio Iwase (Kyusyu Univ.)

Ganea's conjecture on Lusternik-Schnirelmann category
• 14/04 Osamu Saeki (Hiroshima Univ.)

Euler characteristic formulas for simplicial maps and their applications
• 01/04 Erich Ossa (Bergishe Universitaet)

Generalized Braid Groups and Configuration Spaces

Special Lecture