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[Last update: Sep 7, 2026]

Here is the HP of Masato TANABE.

Mathematics

• SPDR @ RIKEN iTHEMS (Special PostDoctoral Researcher, Division of  Fundamental Mathematical Science, RIKEN Center for Interdisciplinary Theoretical and Mathematical Science)

• Geometry ▷ Topology ▷ Singularities of differentiable maps ▷ …

• I am mainly interested in topology of differentiable maps.
  Recently, I have been studied the method that focuses on singularities of their extension maps (a.k.a. singular Seifert surfaces or singular slice surfaces) and its theoretical background.

• Keywords:
  - Thom polynomials and their relative version
  - Immersions and their topology
  - Complex singularities and their links, Milnor fibers
  - Real Algebraic/Analytic Geometry, o-minimal geometry, Shiota's X-category

• researchmap.

Other Activities　(please see also "Activities")

• Goods

• YouTube

• Communications in Science & Technology: a graduate of the 20th class, CoSTEP.

• Gakujutsu BAR Q: "BAR where you can meet Topology: Let's enjoy the soft math space together"

• Interactive Contents using Codex
  - Let's see the behaviour of solutions of equations
  - Complex cyclic integrals

News

• Jul 2 I am going to talk at the 39th Kanto Geometry Seminar (7/25) !

• May 27 I uploaded a new version of my preprint with correcting typos and errors, and strengthening results!

• May 19 I am going to talk at RIKEN iTHEMS (5/22),  Univ. of Tokyo (6/9), and Institute of Science Tokyo (6/12) !

• Apr 1 I took a new position as a SPDR at RIKEN iTHEMS.

Schedule (JST)

Regular

• Mon. B3 seminar @ Tsuda Univ. (10:30--12:00)

• Tue. Topology Tuesday Seminar @ Univ. of Tokyo (16:00--17:30)

• Wed. -

• Thu. -

• Fri. Coffee Meeting @ iTHEMS (12:30--13:30)

Singular　*includes events I just want to attend.

• Sep 1--4 MSJ Autumn Meeting 2026 @Kobe

• Sep 7--10 Geometry Aso Meeting @Aso

• Sep 28--Oct 1 10th Japanese-Australian Workshop on Real and Complex Singularities @Sydney, Australia (I will give a talk)

• Oct 16--18 Homotopy Theory Symposium 2026 @Sapporo (I will give a talk)

• Nov 6--8 4-dimensional topology + The Geometry of 11/8 @ Komaba

• Dec 2--4 RIMS: Singularity theory of differentiable maps and its applications @ Kyoto

• Dec 4--6 Topology and Computer 2026 @ Tokyo

• Dec Geometry of foliations and its applications @ Kyoto

• Jan Contact structures, Singularities, Differential equations and around @ Kanazawa

• Feb--Mar Differential Topology '27

Contact & Links

Please send me your message to the following address.

• masato.tanabe [jet] riken.jp

• X(Twitter): @Masato_TANABE_

• Applied Singularity Theory Lab.

• The Japanese Singularities Network

• Topology Project