# Talks and Presentations

**Upcoming talks**

**Past talks**

**Sep. 16th, 2022**

“\((x+y)^2 + (y+z)^2 + (z+x)^2 = 12xyz\) の正整数解と一般化マルコフ団代数”

“(Positive integer solutions to \((x+y)^2+(y+z)^2+(z+x)^2=12xyz\) and generalized Markov cluster algebra)” (Japanese)

MSJ Autumn Meeting

Hokkaido University, Japan

**Jun. 17th, 2022**

“団代数と団複体(Cluster algebra and cluster complex)” (Japanese)

The 33rd Commutative Ring Theory Theminar

Online

**Mar. 28th, 2022**

“Bongartz completion via c-vectors” (Japanese)

With Toshiya Yurikusa

MSJ Spring Meeting 2022

Saitama Univeristy, Japan

**Mar. 28th, 2022**

“Generalization of Gabriel's theorem and its cluster algebraic approach” (Japanese)

MSJ Spring Meeting 2022

Saitama Univeristy, Japan

**Feb. 9th, 2022**

“\((x+y)^2+(y+z)^2+(z+x)^2=12xyz\)の正整数解と団代数” (Japanese)

Mathsci Freshman Seminar 2022

Online, Kyushu University, Japan

**Nov. 25th, 2021**

“A generalization of Gabriel’s theorem in τ-tilting theory and its cluster algebraic approach” (Japanese)

Suita Representation Seminar

Online

**Nov. 5th, 2021**

“\((x+y)^2+(y+z)^2+(z+x)^2=12xyz\)の正整数解とクラスター代数の変異構造

(Positive integer solutions to \((x+y)^2+(y+z)^2+(z+x)^2=12xyz\) and mutation structure of cluster algebra)” (Japanese)

Friday Tea Time Zoom Seminar

Online

**Oct. 21st, 2021**

“A generalization of Gabriel’s theorem in τ-tilting theory and its cluster algebraic approach” (Japanese)

RIMS Workshop “Combinatorial Representation Theory and Connections with Related Fields”

Online

**Sep. 28th, 2021**

“Compatibility degree of cluster complexes”

Infinite Analysis 21 workshop Around Cluster Algebras (IA21)

Online

**Sep. 6th, 2021**

“Positive cluster complexes and τ-tilting simplicial complexes” (Japanese)

The 53rd Symposium on Ring Theory and Representation Theory

Online

**Jun. 25th, 2021**

“正団複体とτ傾単体複体（positive cluster complex and τ-tilting simplicial complex)” (Japanese)

ALTReT (Algebraic Lie Theory and Representation Theory)

Online

**Mar. 2nd, 2021**

“Duality between Calkin-Wilf tree and Stern-Brocot tree” (Japanese)

The 17th Mathematics Conference for Young Researchers

Online

**Feb. 11th, 2021**

“Duality between Calkin-Wilf tree and Stern-Brocot tree” (Japanese)

Mathsci Freshman Seminar 2021

Online

**Oct. 27th, 2020**

“Positive cluster complex and tau-tilting complex” (Japanese)

Tokyo-Nagoya Algebra Seminar

Online

**Sep. 22nd, 2020**

“Compatibility degree of cluster complexes” (Japanese)

MSJ Autumn Meeting

Kumamoto University, Japan

**Aug. 14th, 2020**

“Compatibility degree of cluster complexes” (poster)

The McKay correspondence, mutation and related topics

Online

**Mar. 6th, 2020**

“Compatibility degree of cluster complexes”

Infinite Analysis 20 (IA20) Workshop: Cluster Algebras, Representation Theory, and Geometry

Osaka City University, Japan (Canceled)

**Mar. 11st, 2020**

“Compatibility degree of cluster complexes” (Japanese)

The 25th Conference on Algebra for Young Researchers in Japan

Nagoya University, Japan (Canceled)

**Mar. 19th, 2020**

“Relation between f-vectors and d-vectors in cluster algebras of finite type or rank 2” (Japanese)

MSJ Spring Meeting 2020

Nihon University, Japan

**Feb. 8th, 2020**

“Compatibility degree of cluster complexes” (Japanese)

Mathsci Freshman Seminar 2020

Nagoya University, Japan

**Sep. 18th, 2019**

“Uniqueness of clusters by F-matrices in cluster algebras of triangulated surface type” (Japanese)

MSJ Autumn Meeting

with Toshiya Yurikusa

Kanazawa University, Japan

**Sep. 12nd, 2019**

“F-matrices in cluster algebras”

MS Seminar

Kavli IPMU (Univesity of Tokyo), Japan

**Jun. 11st, 2019**

“Duality for F-matrices” (poster)

with Shogo Fujiwara

Cluster Algebras 2019 (CA19)

Kyoto University, Japan

**May 31st, 2019**

“F-matrices in cluster algebras” (Japanese)

Ring Theory and Representation Theory Seminar

Nagoya University, Japan

**May 25th, 2019**

“ある方程式の整数解における100年予想とそのアプローチ” (Japanese, survey, public lecture)

数理ウェーブ

Nagoya University, Japan

**Mar. 19th, 2019**

“Duality between mutations and rear mutations in cluster algebras” (Japanese)

with Shogo Fujiwara

MSJ Spring Meeting 2019

Tokyo Institute of Technology, Japan

**Mar. 4th, 2019**

“団代数におけるF多項式の行列化” (Japanese)

The 15th Mathematics Conference for Young Researchers

Hokkaido University, Japan

**Feb. 21st, 2019**

“団代数におけるF行列の一意性” (Japanese)

The 24th Conference on Algebra for Young Researchers in Japan

University of Tokyo, Japan

**Feb. 14th, 2019**

“Uniqueness of F-matrices in cluster algebras” (Japanese)

Mathsci Freshman Seminar 2019

Kyoto University, Japan

**Nov. 14th, 2018**

“Duality between mutations and rear mutations in cluster algebras”

Workshop on McKay correspondence and noncommutative algebra

Nagoya University, Japan