豊川 永喜

$\sigma$-finite invariant measures for Markov operators and the ratio sets for non-invertible transformations 

ワークショップ「作用素環と力学系」 2021年12月

Absolutely continuous $\sigma$-finite invariant measures for weakly expanding random maps with a flat point 

北海道力学系 web セミナー 2021年6月

$\sigma$-finite acims for weakly expanding random maps with uniformly contracting branches 

RIMS 研究集会「数理科学の諸問題と力学系理論の新展開」 2020年9月

On the existence of absolutely continuous $\sigma$-finite invariant measures and weakly almost periodic jump operators for Markov operators 

Chubu Workshop on Dynamical Systems and Chaos 2019年10月

On the existence of a $\sigma$-finite acim for random iteration of intermittent Markov maps with uniformly contractive part 

KODD (Keio Dynamics Day) - spectral approaches in dynamics - 2019年9月

Construction of absolutely continuous $\sigma$-finite invariant measures for dissipative systems 

Workshop on Thermodynamic Formalism Applications to Geometry, Number Theory and Stochastics 2019年7月  招待有り

$\sigma$-finite invariant densities for essentially conservative Markov operators 

special ETDS seminar (Tel Aviv Univ.) 2019年1月

$\sigma$-finite invariant densities for essentially conservative Markov operators via the induced operators 

冬の力学系研究集会 2019年1月

$\sigma$-finite invariant densities for essentially conservative Markov operators via the induced operators 

研究集会「エルゴード理論とその周辺」 2018年11月

Asymptotic behavior of the iterates of weakly almost periodic Markov operators and invariant densities 

PISA-HOKKAIDO-ROMA2 Summer School on Mathematics and Its Applications 2018 2018年9月