Talks
This is the list of my talks:
2024
Algebra Seminar, New Mexico State University, Las Cruces, USA. 02/27. Title: "Lefschetz properties and arrangements".
2023
Colloquium, Northern Arizona University, Flagstaff, USA. 10/10. Title: "Lefschetz properties and hyperplane arrangements".
2021
Special session “Algebraic Geometry from an Algorithmic Point of View” at the 26th Conference on Applications of Computer Algebra (ACA 2021), Virtual, Online, /07. Title: “Hyperplane arrangements and k-Lefschetz properties”.
Special session “Algorithms for Polynomial System Solving and Their Applications” at the 26th Conference on Applications of Computer Algebra (ACA 2021), Virtual, Online, /07. Title “Comprehensive Groebner systems in CoCoA”.
2019
Workshop "Hyperplane Arrangements and Reflection Groups'', Leibniz Universitat Hannover, Germany, 25/09. Title: "A modular approach to hyperplane arrangements''.
Workshop "Hyperplane arrangements in Wakkanai'', Wakkanai Hokusei Gakuen University, Japan, 22/08. Title: "Associated primes and localization of hyperplane arrangements''.
Workshop ''Recent advances in matroids and Tutte polynomials'', Hokkaido University, Sapporo, Japan, 25/07. Title: ''Combinatorially equivalent hyperplane arrangements''.
Workshop ''On hyperplane arrangements, configuration spaces and related topics'', Hokkaido University, Sapporo, Japan, 21/02. Title: ''On the associated primes of hyperplane arrangements".
2018
RIMS Symposium ''Computer Algebra - Theory and its applications'', RIMS, Kyoto, Japan, 20/12. Title: ''Sectional matrices, generic initial ideals and free hyperplane arrangements''.
Shinshu Topology Seminar, Shinshu University, Matsumoto, Japan, 7/12. Title: ''Free hyperplane arrangements and gain graphs''.
Pick My Brain Seminar, Northeastern University, Boston, USA, 12/09. Title: ''On the freeness of hyperplane arrangements''.
Valley Geometry Seminar, UMass Amherst, USA, 7/09. Title: ''On the characterizations of free hyperplane arrangements''.
Discrete Math Seminar, UMass Amherst, USA, 6/09. Title: ''On the freeness of arrangements associated to gain graphs''.
Algebraic Geometry Seminar, Tokyo Denki University, Tokyo, Japan, 13/03. Title: ''The connections between sectional matrices, generic initial ideals and free hyperplane arrangements".
Workshop ''Log geometry, degenerations and related topics", Kobe University, Japan, 20/02. Title: ''Sectional matrix, generic initial ideal and free hyperplane arrangements".
2017
Discrete Geometry Seminar, Hokkaido University, Sapporo, Japan, 12/04. Title: ''On the Falk invariant of sign graphic arrangements''.
Algebra Seminar, Genoa University, Genoa, Italy, 15/03. Title: ''Freeness of certain sign graphic arrangements''.
2016
The 12th HU and SNU Symposium on Mathematics, Hokkaido University, Sapporo, 5/12. Title: ''Sectional matrix, generic initial ideal and free arrangements''.
Special Session at the AMS 2016 Fall Eastern Sectional Meeting, Bowdoin College, Brunswick, USA, 24/09. Title: ''Sectional matrices and geometrical consequences of their extremal behaviour".
Discrete Geometry Seminar, Hokkaido University, Sapporo, Japan, 27/07. Title: ''Sectional matrices and geometrical consequences of their extremal behaviour".
Algebra Seminar, Hokkaido University, Sapporo, Japan, 9/06. Title: ''Combinatorics of hyperplane arrangements and applications".
Program: GSB UMass-HU Business Meeting, Hokkaido University, Japan, 16/05. Title: ''Singularities, hyperplane arrangements and codes''.
Arrangements: topology, combinatorics and stability, Pisa University, Italy, 6/02. Title: ''Homotopy type, Orlik-Solomon algebra and Milnor fiber of supersolvable arrangements".
2015
Algebraic Geometry Seminar, Turin University, Turin, Italy, 11/11. Title: ''On the Milnor fiber of an hyperplane arrangement''.
Differential and combinatorial aspects of singularities, Kaiserslautern University of Technology, Germany, 6/08. Title: ''Homotopy type, Orlik-Solomon algebra and Milnor fiber of supersolvable arrangements".
Algebraic Geometry Seminar, Politecnico of Turin, Turin, Italy, 21/01. Title: ''Supersolvable arrangements and their Orlik-Solomon algebra''.
2014
Hyperplane arrangements, University of Bremen, Germany, 6/12. Title: ''On the homotopy type and the Orlik-Solomon algebra of supersolvable arrangements''.
Algebraic Geometry Seminar, Turin University, Turin, Italy, 17/12. Title: ''Hyperplane arrangements, Orlik-Solomon algebras, Milnor fiber and multinets''.
Combinatorics Seminar, Fribourg University, Fribourg, Switzerland, 27/11. Title: ''Supersolvable arrangements and their minimal complex".
Algebra Seminar, Hokkaido University, Sapporo, Japan, 1/10. Title: ''On the homotopy type and the Orlik-Solomon algebra of supersolvable arrangements".
First Workshop of JSPS-MAE Sakura Program ''Geometry and Combinatorics of Hyperplane Arrangements", Hokkaido University, Sapporo, 10/09. Title: ''Resonant bands, Aomoto complex and real 4-nets".
Algebra Seminar, Genoa University, Genoa, Italy, 3/06. Title: ''Resonant bands, Aomoto complex and real 4-nets".
AMS special session titled ''Hyperplane arrangements and applications'' at the Joint Mathematics Meetings, Baltimore, USA, 15/01. Title: ''Admissible local systems and characteristic variety".
2013
Hyperplane arrangements and characteristic classes, RIMS, Kyoto, Japan, 13/11. Title: ''On the admissibility of certain local systems".
Algebraic Geometry Seminar, Hokkaido University, Sapporo, Japan, 7/11. Title: ''On the admissibility of certain local systems".
Algebraic Geometry Seminar, Warwick University, Coventry, United Kingdom, 17/07. Title: ''The moduli space of line-conic arrangements".
Branched coverings, degenerations, and related topics, Tokyo Metropolitan University, Japan, 9/03. Title: ''Moduli space of a line-conic arrangement in the complex projective plane''.
2012
Algebraic Geometry Seminar, Hokkaido University, Sapporo, Japan, 14/12. Title: ''Ring and rank conditions for free divisors".
Algebra Seminar, Kyoto University, Kyoto, Japan, 30/11. Title: ''Admissible deformations of free divisors".
Workshop on free divisors and differential equations, Tokyo University of Agriculture and Technology, Japan, 19/11. Title: ''Admissible deformations of free divisors".
Algebra Seminar, Hokkaido University, Sapporo, Japan, 10/11. Title: ''Admissible deformations of free divisors".
Algebraic Geometry Seminar, Angers University, Angers, France, 2/03. Title: ''The theory of admissible deformations of a free divisor".
Algebraic Geometry Seminar, Johannes Gutenberg University, Mainz, Germany, 31/01. Title: ''Admissible deformations of free divisors".
2011
Mannheim Seminar, Mannheim University, Germany, 7/11. Title: ''A deformation theory for free and linear free divisors".
Workshop on free divisors, University of Warwick, United Kingdom, 3/06. Title: ''Rigidity of reductive linear free divisors".
2010
Postgraduate seminar, University of Warwick, United Kingdom, 3/03. Title: ''Linear free divisor and quiver representations".
2009
Singularity seminar, University of Warwick, United Kingdom, 26/10. Title: ''Deformations of singularities I".
Singularity seminar, University of Warwick, United Kingdom, 2/11. Title: ''Deformations of singularities II".
Singularity seminar, University of Warwick, United Kingdom, 19/01. Title: ''Calculation and geometry of some versal deformations".