Autumn 2020 - Summer 2021: Tokyo-Nagoya algebra seminar (backup) - co-organised with Noriyuki Abe, Erik Darpö, Osamu Iyama, Tsutomu Nakamura, and Ryo Takahashi

**Attended (newest first):**

20 - 22nd Sep, 22: Trends in Cluster Algebras 2022 @ Japan (Online)

13 - 16th Sep, 22: Mathematics Society of Japan, 2022 Autumn meeting @ Hokkaido, Japan

6 - 9th Sep, 22: 54th Japan Ring Symposium @ Saitama, Japan

17th - 21st Feb, 22: Winter School on Koszul algebra and Koszul duality @ Osaka City Uni, Japan and Online

5 - 7th Jan, 22: Geometric and homological methods in representation theory @ Lancaster, UK (Online)

4th Jan, 22: Flash talks in representation theory @ NTNU, Trondheim (Online)

~~~

27 - 29th Sep, 21: Infinte Analysis 21 Workshop Around Cluster Algebras @ Japan (Online)

13th - 24th Sep, 21 New developments in representation theory arising from cluster algebras @ Isaac Newton Institute (Hybrid)

6 - 9th Sep, 21: Japan Ring Symposium 53 @ Yamaguchi, Japan (Online)

1st - 10th Sep, 21: Crawley-Boevey 60 @ Manchester, UK (Online)

25 - 27th Aug, 21: Research school on gentle algebras@ Cologne, Germany (Online)

2nd - 6th Aug, 21: Workshop on cluster algebras and related topics @ Beijing (Online)

25 - 28th Jun, 21: ALTReT 2021 @ Online

21st - 25th Jun, 21: Summer School of Algebraic Combinatorics @ Online

31st May - 9th Jun, 21: Braids, mutations and twists in algebra and geometry @ Uppsala (Online)

17 -28th May, 21: ARTA 2021 @ Online

9th Jan, 21: Flash Talks in Representation Theory @ NTNU (Online)

1st - 5th Mar, 21: School on Quantum Geometry and Representation Theory @ Online

4 - 15th Jan, 21: Legendrians, cluster algebras, and mirror symmetry @ IBS-GCP, Korea (Online)

~~~

30th Nov - 4th Dec, 20: Monoidal and 2-categories in representation theory and categorification @ Hausdorff Institute (Online)

19th - 22nd Nov, 20: Representation theory symposium 2020 @ Japan (Online)

Nov, 20: ICRA 2020 @ Online

5th - 23th Oct, 20: Winter School on Connections between representation theroy and geometry @ Hausdorff Institute (Online)

21st Sep - 9th Oct, 20: LMS Autumn algebra school 2020 @ UK (Online)

15 - 17th Sep, 20: Categorification in Representation Theory 2020 @ Leicester (Online)

10th Sep, 20: Crawley-Boevey 60 @ Manchester (Online)

Aug-Sep, 20: Keller's DG category lecture @ Tsinghua (Online)

1st - 3rd Aug, 20: Geometric structure of surface and cluster algebras @ Kioicho Seminar (Online)

August, 20: Cluster Algebra 2020 @ online

Jul-Aug, 20: McKay correspondence, mutation and related topics @ IPMU (Online)

~~21 - 31st Jul, 20: ICRA 2020 @ ICTP,
Italy~~ (Postponed due to COVID-19)

~~2nd - 6th Mar, 20: Infinite Analysis 20
Workshop: Cluster algebra, representation theory, and geometry @ Osaka City
Uni, Japan~~ (Cancelled due to COVID-19)

19 - 25th Jan, 20: Representation Theory of Quivers and Finite Dimensional Algebras @
Oberwolfach, Germany

~~~

13 - 15th Dec, 19: Seminar in
memorial of Mitsuo Hoshino @ Shizuoka, Japan

11 - 13th Dec, 19: Mirror symmetry and
related topics 2019 @ Kyoto, Japan

25 - 29th Nov, 19: Categorical and
analytic invariants in Algebraic geometry VII @ Osaka, Japan

22-23rd Nov, 19: Yamaguchi algebra
seminar @ Yamaguchi, Japan

21st - 25th Oct, 19: Ariki 60:
Representation Theory of
Algebraic Groups and Quantum Groups @ RIMS, Kyoto, Japan

24th - 27th Sept, 19: Summer school of DG
categories (backup) @ Nagoya, Japan

26th - 31st Aug, 19: China-Japan-Korea
International symposium on ring theory @ Nagoya, Japan

12 - 13th July, 19: 24th Shizuoka
Algebra Seminar @ Shizuoka, Japan

10 - 14th June, 19: Cluster Algebra Week
1, 2 @ RIMS, Kyoto, Japan

7 - 10th May, 19: Interactions
between Representation Theory and Homological Mirror Symmetry @ Leicester

18th - 21st Feb, 19: Young
researchers in Algebra 23 @ Tokyo, Japan

14 - 15th Feb, 19: Mini-workshop on
representation theory @ Kyoto, Japan

13 - 15th Feb, 19: RIMS
Workshop on Cohomology Theory of Finite Groups and Related Topics @ RMIS, Kyoto,
Japan

~~~

10 - 11th Dec, 18: Mirror
Symmetry for Fano Manifolds and Related Topics @ Kyoto, Japan

16 - 17th Nov, 18: McKay correspondence
and noncommutative algebra @ Nagoya, Japan

19th - 22nd Sept, 18: 51st Japan
Ring Symposium @ Okayama, Japan

8 - 17th Aug, 18: ICRA XVIII @
Prague, Czech Repbulic

29th Apr - 1st May: Workshop
on higher homological algebra and cluster tilting @ Osaka, Japan

18th - 21st Mar, 18: Japan Mathematics Society
meeting 2018 @ Tokyo, Japan

5 - 8th Mar, 18: Young researchers in
Algebra 23 @ Osaka, Japan

~~~

14 - 20th Dec, 17: Workshop on
Representation Theory of Symmetric Groups and Related Algebras @ NUS Singapore

8 - 9th Dec , 17: 21st
Shizuoka Algebra Seminar @ Shizuoka, Japan

27th Nov - 01st Dec, 17:
Workshop: Categorification, representation theory and symplectic geometry @ Bonn,
Germany

20 - 24th Nov, 17: Winter
school: Categorification, representation theory and symplectic geometry @ Bonn,
Germany

7 - 10th Oct, 17: 50th
Japan Ring Symposium @ Yamanashi, Japan

26 - 30th June, 17: Kashiwara 70 @
RIMS, Kyoto, Japan

~~~

5 - 8th Sept, 16: Matrix
factorization and related topics @ Kavli IPMU, Tokyo

26 - 30th Aug, 16: Summer school on
quasi-hereditary algebras @ Osaka, Japan

31st Aug - 3rd Sept, 16: 49th Japan
Ring
Symposium @ Osaka, Japan

8 - 9th July, 16: 18th
Shizuoka Algebra Seminar @ Shizuoka, Japan

21st - 23rd Mar, 16: Workshop on
Brauer Graph Algebras @ Stuttgart, Germany

14 - 18th Mar, 16: Triangulated
Categories in Algebra, Geometry and Topology @ Stuttgart, Germany

~~~

11 - 12th Sept, 15: Conference on the derived categories of finite dimensional algebras @
Shizuoka, Japan

7 - 10th Sept, 15: 48th Japan Ring Symposium @ Nagoya, Japan

10 - 14th Aug, 15 : BIREP
Summer School on Koszul algebras @ Bad Driburg, Germany

7 - 9th May, 15 : Representation theory Workshop
@ Uppsala

26 - 28th Feb, 15 : Introductor Workshop of Representation theory program at
Mittag-Leffler @ Uppsala

~~~

15 - 20th Dec, 14 : Homological
Interactions between Representation Theory and Singularity Theory @ Edinburgh

13 - 15th Nov, 14 : Maurice
Auslander Memorial Workshop @ Bielefeld

25 - 29th Aug, 14 : Summer school in
algberaic Lie theory and representation theory @ Glasgow

12 - 14th Jun, 14 : Non-crossing
partitions
in representation theory @ Bielefeld

28 - 29th Mar, 14 : ARTIN (PhD's and
PostDocs) 39th meeting @ Newcastle

~~~

28 - 29th Dec, 13 : Algebras and Representations meeting @ Tsinghua University, P.R.
China

17 - 18th Oct, 13 : Special
63rd BLOC meeting @ Oxford

26 - 30th Aug, 13 : BIREP
Summer
School on Preprojective Algebras @ Bad Driburg, Germany

24 - 28th June, 13 : Cohomology
in
Lie theory @ Oxford

1 - 13th April, 13 : Modular
Representation of Finite Groups and Related Algebras @ NUS Singapore

18 - 22nd Mar, 13 : LMS Workshop on
Triangulations and Mutations @ Newcastle

~~~

24 - 28 Sept, 12 : Gradings and
Decomposition Numbers @ Stuttgart

08 - 11th,13-17th Aug, 12 : ICRA XV @
Bielefeld

~~~

12 - 16th Sept, 11 : Perspective
in Algebraic Lie Theory @ Isaac Newton Institute, University of Cambridge

1 - 4th Sept, 11 : Algebraic Representation Theory
@ University of Uppsala, Sweden

26th June - 2nd July, 11 : New
developments in noncommutative algebra and its applications @ Isle of Skye

23 - 25th June, 11 : Postgraduate
Group Theory Conference 2011 @ University of Aberdeen

14 - 18th June, 11 : Workshop on
Representation Theory @ Universiy of Birmingham

16 - 18th May, 11 : 28th ARTIN
(full) meeting @ University of Aberdeen

17 - 21st Apr, 11 : British
Mathematical Colloquium 2011 @ University of Leicester

19 - 20th Mar, 11 : 27th ARTIN
(post-doc and PhDs) meeting @ University of Glasgow

Spring 2011: Postgraduate Seminar Series (Postgrad. MathClub)
2011

** 2022 6th Jan - Lancaster University, Geometric and homological methods in representation theory** - *Categorification of quasi-triangulations of unpunctured non-orientable marked surfaces*

~~~

** 2021 27th Sep - Workshop around cluster algebras, Infinite Analysis 21** - *Categorification of quasi-triangulations of unpunctured non-orientable marked surfaces*

~~~

** 2020 21st Jan - Representation Theory of Quivers and Finite Dimensional Algebras, Oberwolfach** - *Torsion classes of gentle algebras*

~~~

** 2019 13-15th Dec - Shizuoka University, Hoshino's memorial seminar** - *Torsion
classes of gentle algebras*

** 2019 23rd Nov - Yamaguchi Univesity** - *Recollement of comodule
categories*

** 2019 22nd Nov - Yamaguchi Univesity** - *Auslander-type correspondences*

** 2019 4th Nov - University of Leicester, Pure Maths seminar** - *Torsion classes of
gentle algebras*

** 2019 4th Nov - University of Leicester, Study group** - *Simple-minded
systems*

** 2019 1st Nov - University of Leicester, Study group** - *Generalising hereditary
algebras*

** 2019 27th Aug - Nagoya University, The 8th China-Japan-Korea International Symposium on
Ring Theory** - *Recollement of comodule categories over coalgebra objects*

** 2019 18th Jan - Tokyo Gakugei University** - *Auslander-type correspondences and
mixed precluster tilting*

~~~

** 2018 14th Dec - (Outreach talk) Okazaki High School, Science Dialogue** (Report on School's
Press)

** 2018 16th Nov - Nagoya University, McKay correspondence and noncommutative algebra
workshop** - *Curves on marked surfaces and complexes of Brauer graph
algebras*

** 2018 23rd Aug - University of Stuttgart** - *Generalising hereditary algebras and so
on*

**2018 1st May - Osaka Prefecture University, Workshop on higher homological algebra and
cluster tilting** - *Replication and representation-finiteness of hereditary
algebras*

~~~

**2017 9th Oct - Yamanashi University, 50th Japan Ring Symposium** - *Two constructions
of Iwanaga-Goresntein algebras*

~~~

**2016 19th Dec - Nagoya University** - *Examples of gendo-symmetric algebras*

**2016 1st Sept - Osaka Prefecture University, 49th Japan Ring Symposium** - *On
representation-finite gendo-symmetric biserial algebras*

**2016 8,9th July - Shizuoka University, 18th Shizuoka Algebra Seminar**

(1) *(Multi)semigroup, transitive action, categorification*

(2) *On a 2-representation theory of 2-categories*

**2016 21st,22nd Mar - Universitat Stuttgart, Workshop on Brauer graph algebras**

(1) *Introductory lecture on Brauer graph algebras*

(2) *Brauer graph algebras via surface combinatorics*

~~~

**2015 22nd Sept - Uppsala University** - *Curves on Riemann surfaces and complexes of
Brauer graph algebras*

**2015 4th Sept - Nagoya University** - *On 2-representation theory of
Mazrochuk-Miemietz*

**2015 8th June - University of East Anglia** - *Curves on Riemann surfaces and tilting
theory*

~~~

**2014 21st Oct - Uppsala University** - *Tilting Brauer graph*

**2014 15th July - Nagoya University** - *Miemietz-Turner's work on rational
representations of GL2*

**2014 29th Mar - Newcastle University** - *Simple-minded systems of triangulated
categories*

**2013 27th Dec - Beijing Normal University** - *On self-injective Nakayama
algebras*

**2013 5th August - Nagoya University** - *Simple-minded and mutation theories of
representation-finite self-injective algebras*

**2012 25th Sept - Universitat Stuttgart, Gradings and Decomposition Numbers workshop** -
*Ext-algebra of standard modules for rhombal
algebras*

**2012 May - Uni. of Aberdeen Algebra Seminar** - *Ext-algebra of standard modules for
rhombal and cubist algebras*

**2011 7th March - Uni. of Aberdeen Postgraduate Seminar Series** - *Quivers, their representations and
applications*

Beamer slides of an expository talk on quivers, path algebras, Ext-quivers,
Auslander-Reiten quivers and some results of such. Diagrams are not included.

**2010 10th Nov - Uni. of Aberdeen Maths Club** - *Group Theory and Permutation
Toys*

**2010 March - Uni. of Cambridge Part III Seminar** - *Brauer
Correspondence*

This is not perfect, but hopefully enough to understand what is Brauer
correspondence (prerequisites: the Green correspondence)

16-19th Feb, 21: Spring School on Koszul algebra and Koszul duality @ Osaka City Uni, Japan (supported
by OCAMI Joint Usage
Grant)

24-27th Sept, 19: Summer school of DG
categories (backup) @ Nagoya, Japan

21st-23rd Mar, 16: Workshop on
Brauer Graph Algebras @ Stuttgart, Germany