3 papers
math.QA2023
Exact sequences of Frobenius tensor categories
Taiki Shibata, Kenichi Shimizu
Given a tensor functor between tensor categories and , we give criteria that, under certain assumptions, the Frobeniusness of or $\mathcal{…
math.QA2022
Nakayama functor for monads on finite abelian categories
Kenichi Shimizu
If is a finite abelian category and is a linear right exact monad on , then the category $\mathbf{T}\mbox{-mod}$ of -modules is…
econ.EM2021
Bayesian Approaches to Shrinkage and Sparse Estimation
Dimitris Korobilis, Kenichi Shimizu
In all areas of human knowledge, datasets are increasing in both size and complexity, creating the need for richer statistical models. This trend is also true for economic data, wh…