JSPS-VAST Bilateral Joint Research Project

Workshop "Singularities, arrangements, and low-dim. topology"

6 (Mon) - 10 (Fri) December 2021 at ZOOM

Program (Vietnam time)

6th Dec. (Monday)

8:25 - 8:30 Opening

8:30 - 9:15 Hiroo Tokunaga (Tokyo Metropolitan University)

Multisections on elliptic surfaces and families of Zariski pairs [abstract]

9:30 -10:15 Ha Huy Vui (Thanglong Institute of Mathematics and Applied Sciences)

Lojasiewicz inequalities in a certain class of smooth functions [abstract]

13:00-13:45 Osamu Saeki (IMI, Kyushu University)

Round fold maps of n-dimensional manifolds into (n-1)-dimensional

Euclidean space [abstract]

14:00-14:45 Nguyen Hong Duc (Thang Long University)

Motivic Integration for Formal Schemes [abstract]

7th Dec. (Tuesday)

8:30 - 9:15 Hiroshi Teramoto (Kansai University)

Classification, recognition and bifurcation of feasible set germs [abstract]

9:30 -10:15 Dinh Si Tiep (Institute of Mathematics, VAST)

The mountain pass theorem in terms of tangencies [abstract]

13:00-13:45 Mutsuo Oka (Tokyo University of Science, TIT (emeritus))

Almost non-degenerate functions and a Zariski pair of links [abstract]

14:00-14:45 Christophe Eyral (Polish Academy of Sciences)

Non-degenerate locally tame complete intersection varieties and geometry of

non-isolated hypersurface singularities [abstract]

14:45-14:50 Conference Photo

8th Dec. (Wednesday) ... day of rest!

9th Dec. (Thursday)

8:30 - 9:15 Yoshikazu Yamaguchi (Akita University)

Adjoint Reidemeister torsion for hyperbolic once-punctured torus bundles [abstract]

9:30 -10:15 Anh T. Tran (The University of Texas at Dallas)

Classical pretzel knots and left orderability [abstract]

13:00-13:45 Takahiro Oba (Osaka University)

A four-dimensional mapping class relation [abstract]

14:00-14:45 Nguyen Thanh Hoang (DaNang University of Education)

Largest hyperbolic actions on 3-manifold groups [abstract]

10th Dec. (Friday)

8:30 - 9:15 Takuro Abe (IMI, Kyushu University)

Logarithmic modules of hyperplane arrangements and their freeness [abstract]

9:30 -10:15 Tran Quang Tue (KU Leuven)

Contact loci of hyperplane arrangements [abstract]

13:00-13:45 Shuhei Tsujie (Hokkaido University of Education)

Arrangements over residually finite Dedekind domains and

their complements modulo nonzero ideals [abstract]

14:00-14:45 Tran Nhat Tan (Ruhr-Universität Bochum)

Arrangements arising from digraphs and freeness of arrangements

between Shi and Ish [abstract]

14:45-14:50 Conference Photo and Closing