Japanese/English

Tomoo Matsumura 

Junior associate professor at Okayama University of Science (2015.04 ~ present)

Affiliation: Faculty of Science, Department of Applied Mathematics
Address: 1-1 Ridai-cho, Kita-ku, Okayama-shi, Okayama 700-0005, Japan
Office: Building No.11, 7th floor, 7-3
Tel: 086-256-9595
Email: matsumur at xmath.ous.ac.jp

CV : 2016.03

Education:
1999.04-2001.03 International Christian University, M.A. Mathematics
Advisor: Prof. Hiroshi Suzuki
2001.09-2007.08 Boston University Ph.D. Mathematics
Advisor: Professor Takashi Kimura

Past Employment:
2002.09-2007.06 Boston University TA (Boston, USA)
2007.09-2008.05 Max-Planck Institute for Mathematics Research fellow (Bonn, Germany)
2008.07-2011.06 Cornell University H.C. Wang Assistant Professor (Ithaca, USA)
2011.09-2013.02 KAIST ASARC Postdoc (Daejeon, KOREA)
2013.03-2015.02 KAIST Visiting Professor (Daejeon, Korea)

[1] Stringy and Orbifold cohomology of Wreath Product Orbifolds, European Journal of Pure and Applied Mathematics, Vol.5, No.4 (2012), p.492–510
[2] Equivariant Cohomology for Hamiltonian Torus Actions on Symplectic Orbifolds , with Tara S. Holm, Transformation Groups Vol.17, No.3 (2012), p.717–746, arXiv.
[3] Connected sums of simplicial complexes and equivariant cohomology, with W. Frank Moore, Osaka Journal of Mathematics Vol. 51, No. 2 (2014), p.405–425, arXiv.
[4] Moment Angle Complexes and Big Cohen-Macaulayness, with Shisen Luo and W. Frank Moore, Algebraic and Geometric Topology, Vol. 14, No. 1 (2014), p.379–406, arXiv.
[5] Equivariant Cohomology of Weighted Grassmannians and Weighted Schubert Classes, with Hiraku Abe, IMRN (2015) 2015 (9), 2499-2524, arXiv.
[6] Schur polynomials and Weighted Grassmannians, with Hiraku Abe, Journal of Algebraic Combinatorics, 42 (2015), no. 3, 875–892.arXiv.
[7] Pfaffian sum formula for the symplectic Grassmannians, with Takeshi Ikeda, Mathematische Zeitschrift, 280 (2015), no. 1-2, 269–306.arXiv.
[8] Equivariant Giambelli formula for the symplectic Grassmannians–Pfaffian Sum Formula, with Takeshi Ikeda, FPSAC 2015 Extended Abstract, 2015.
[9] Degeneracy Loci Classes in K-theory - Determinantal and Pfaffian Formula -, with Thomas Hudson, Takeshi Ikeda, and Hiroshi Naruse, Adv. Math. 320 (2017), 115–156. 19
[10] An algebraic proof of determinant formulas of Grothendieck polynomials, Proc. Japan Acad. Ser. A Math. Sci.,93 (2017), no. 8, 82–85.
[11] Kempf-Laksov Schubert classes for even infinitesimal cohomology theories, with Thomas Hudson, to appear in the Proceedings of the IMPANGA15 conference, 2016.

(Preprint)
[12] Vexillary degeneracy loci classes in K-theory and algebraic cobordism, with Thomas Hudson, submitted 2017
[13] Segre classes and Kempf-Laksov formula in algebraic cobordism, with Thomas Hudson, submitted, 2016.
[14] Flagged Grothendieck polynomials, submitted, 2017.
[15] Symplectic and odd orthogonal Pfaffian formulas for algebraic cobordism , with Thomas Hudson, submitted, 2017
[16] A tableaux formula for double Grothendieck polynomials for 321 avoiding permutations , submitted 2017.

Expository:
[1] Lectures on Cohomology of Toric Manifolds, Trends in Mathematics - New Series, Information Center for Mathematical Sciences, Volume 14, Number 1, 2012, pages 31-52.

Research Interests: I'm interested in group actions and orbifolds in symplectic geometry and algebraic geometry. Recently I work on Schubert calculus of classical homogeneous spaces and also the orbifold analogue of flag varieties (weighted Grassmannians, and so on).

Current Teaching:

Okayama University of Science:
Senior Student Seminars
2016 Basics in Mathematics and Exercises
2016 Exercises in Linear Algebra I
2015 Fall Geometry
2015 Fall Topics in Geometry (graduate course)
2015 Spring Basic Geometry
2015 Spring Exercises in Calculus

Past Teaching:

KAIST:
MAS 101 Calculus I
MAS 102 Calculus II
MAS 109 Introduction to Linear Algebra
MAS 201 Differential Equations and Applications
MAS 202 Applied Mathematical Analysis

Cornell University:
MATH 1110 Calculus I
MATH 1920 Multivariable Calculus for Engineers / Schedule
MATH 2210 Linear Algebra
MATH 2220 Multivariable Calculus

MATH 4500 Introduction to Topology

MATH 7510 Schubert Calculus
MATH 7570 Poisson Geometry

Recent conference oganization:

Algebraic Lie Theory and Representation Theory 2015
(2015年6月5日(金)〜6月8日(月), 岡山いこいの村)

TOPOLOGY OF TORUS ACTIONS AND APPLICATIONS TO GEOMETRY AND COMBINATORICS
(2014 August 7-11, KAIST, Daejeon, Korea)

第3回シューベルト・カルキュラスとその周辺
(Schubert calculus, 2014 August 26-29, Okayama University of Science, Japan)


Last updated 2015.04