- Spaces of commuting elements in a Lie groups II, Homotopy Theory Symposium 2021, online, November.
- Torsion in the space of commuting elements in a Lie groups, Spaces of Homomorphisms and Classifying Spaces, online, September.
- Tverberg's theorem for cell complexes, Topological Complexity Seminar (Applied Algebraic Topology Research Network), online, August.
- Tverberg's theorem for cell complexes, 37th Algebraic Combinatorics Symposium, online, June.
- Tverberg's theorem for cell complexes, Kyoto-Kyushu-Shinshu Joint Topology Seminar, online, May.
- Cohomology of the space of commuting elements in the classical groups, International Polyhedral Products Seminar at Princeton, online, April.
- Tverberg's theorem for cell complexes, Toric Topology 2021 in Osaka, online, March.
- Relative phantom maps and rational homotopy, EACAT 8, online, December.
- Relative phantom maps and rational homotopy, Southampton-Kyoto Workshop II, online, December.
- Generating function and topological complexity, Kyoto-Kyushu-Shinshu Joint Topology Seminar, June.
- Golodness and polyhedral products for surface triangulations, Toric Topology Postdoc Seminar, the Fields Institute for Research in Mathematical Sciences, Toronto, February.
- When is a polyhedral product a finite Postnikov section?, Workshop on Polyhedral Products in Homotopy Theory, Toronto, January.
- When is a polyhedral product a finite Postnikov section?, Homotopy Theory Seminar, Fukuoka, January.
- Higher Whitehead products in moment-angle complexes, Toric Topology 2019 in Okayama, Okayama, November.
- Higher homotopy associativity in the Harris decomposition of Lie groups, 3rd PPICTA, Chengdu, November.
- Higher homotopy associativity in the Harris decomposition of Lie groups, Southampton-Kyoto Workshop, Southampton, September.
- Homotopy commutativity in localized gauge groups, Homotopy Okinawa, Naha, September.
- Mod p decomposition of Lie groups revisited, The Theory of Transformation Groups and its Applications, Kyoto, March.
- Whitehead Products in moment-angle complexes, Homotopy Theory Seminar, Fukuoka, January.
- The Stanley-Reisner functor for a poset, Discrete Geometric Structure Seminar, Sapporo, November.
- Right-angled Coxeter quandles and polyhedral products, Homotopy Theory Symposium 2018, Tokyo, November.
- The Borsuk-Ulam theorem, Hebei Normal University, Hebei, July.
- Mod p homology of the classifying space of a gauge group, Topology Seminar, Chinese Academy of Sciences, Beijing, July.
- Relative phantom maps, Algebraic Topology, Combinatorics, and Mathematical Physics (on occasion of Victor Buchstaber's 75th birthday), Steklov Mathematical Institite, Moscow, May.
- On the homotopy types of Sp(n) gauge groups, Algebraic Topology Seminar, Kyoto University, Kyoto, April.
- Higher homotopy commutativity in localized Lie groups, Topology Seminar, University of Southampton, Southampton, March.
- Homotopy theory of polyhedral products, MSJ Spring Meeting, Special Lecture, Tokyo, March.
- Right-angled Coxeter quandles and polyhedral products, Aberdeen Topology Seminar, Aberdeen, February.
- Right-angled Coxeter quandles and polyhedral products, Homotopy Theory Seminar, Fukuoka, January.
- Mod p homology of the classifying space of a gauge group, Shinshu Topology Seminar, Shinshu University, Nagano, December.
- Golodness of 2-dimensional simplicial complexes and polyhedral products, Topology Friday Seminar, Kyushu University, Fukuoka, December.
- Mod p homology of the classifying space of a gauge group, Homotopy Theory Symposium 2017, Kagawa, November.
- Counting gauge groups, 2nd PPICTA, Busan, November.
- Mod p homology of the classifying space of a gauge group, Kansai Gauge Theory Seminar, Kyoto, July.
- Right-angled Coxeter quandles and polyhedral products, Homotopy Theory of Polyhedral Products, Princeton University & Rider University, New Jersey, May.
- Right-angled Coxeter quandles and polyhedral products, Algebraic Topology Focused on Transformation Groups, Kyoto University, Kyoto, May.
- Infiniteness of A∞-types of gauge groups, Topology Seminar, University of Southampton, Southampton, March.
- Infiniteness of A∞-types of gauge groups, Workshop on Homotopy Theory and Singularity Theory, Sapporo, February.
- Primer on Adams operations, Kansai Gauge Theory Seminar, Kyoto, December.
- Homotopy theory of polyhedral products, 63rd Topology Symposium, Kobe, July.
- Homotopy decomposition of diagonal arrangements, Toric Topology Workshop, Osaka, April.
- Samelson products in p-regular SO(2n), Tokyo Institute of Technology Algebraic Topology Seminar, Tokyo, March.
- Homotopy decomposition of diagonal arrangements, Topology Seminar, University of Southampton, Southampton, February.
- Samelson products in p-regular SO(2n), Fukuoka Homotopy Theory Seminar, Fukuoka, January.
- Decomposition of diagonal arrangements, EACAT6, Daejeon, December.
- Golodness and moment-angle complexes for 2-dimensional simplicial complexes, Algebraic Topology from Combinatorial Viewpoint, Ehime, October.
- Fat wedge filtrations and moment-angle complexes, Toric Topology 2015 in Osaka, Osaka, June.
- Fat wedge filtrations and polyhedral products, Geometry Colloquium, Hokkaido University, Sapporo, June.
- Infiniteness of A∞-types of gauge groups, Finiteness and Infiniteness in Homotopy Theory, Fukuoka, February.
- Tiling and Groups, Homotopy decomposition of diagonal arrangements (two talks), Workshop and Seminar on Topological Combinatorics and Related Topics, Kasetsart University, Bangkok, January.
- Homotopy decomposition of diagonal arrangements, Topology Friday Seminar, Kyushu University, Fukuoka, December.
- Topology and combinatorics of polyhedral products, ICM 2014 Satellite Conference on Algebraic Topology, Dalian, August.
- Homotopy decomposition of diagonal arrangements, Topology and Algebraic Structures of Transformation Groups, Kyoto, May.
- Topology of polyhedral products and te Golod property of Stanley-Reisner rings, Topology Seminar, University of Southampton, Southampton, May.
- Homotopy decomposition of diagonal arrangements, UEC Topology Seminar, Tokyo, March.
- Decomposing real moment-angle complexes, Toric Topology 2014 in Osaka, Osaka, January.
- Gysin "sequence" of a covering, Diffeology in Karatsu, Saga, December.
- Decomposing real moment-angle complexes, Kochi Topology Seminar, Kochi, December.
- Decomposing real moment-angle complexes, EACAT5, Beijing, December.
- Topology of polyhedral products and the Golod property of the Stanley-Reisner rings, Homotopy Theory Symposium 2013, Okayama, November.
- Topology of polyhedral products and the Golod property of the Stanley-Reisner rings, Barcelona Topology Workshop 2013 (J. Aguadé's 60th birthday), Barcelona, September.
- Homotopy commutativity in localized Lie groups, International Conference on Topology and Geometry 2013, Shimane, September.
- Hom complexes and hypergraph colorings, Applied Topology in Bedlewo, Poznan, July.
- Wedge decomposition of polyhedral products, Mathematics Colloquium, Kyoto University, Kyoto, May.
- Homotopy commutativity in localized Lie groups, Topology of Transformation Groups and Related Topics, Kyoto, May.
- On the p-local homotopy types of gauge groups, Fukuoka Homotopy Theory Seminar, Fukuoka, January
... I forgot about it.