| Preprints（last updated: 28th/November/2020） |
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・Quotient spaces and topological invariants of flows pdf ・(with Tetsuo Yokoyama) COT representations of 2D Hamiltonian flows and their computable applications pdf ・(with T. Sakajo) Discrete representations of orbit structures of flows for topological data analysis pdf ・Preorder characterizations of lower separation axioms and their applications to foliations and flows pdf ・Decompositions of surface flows pdf ・Graph representations of surface flows pdf ・On codimension two R-closed foliations and group-actions pdf ・Recurrent and Non-wandering properties for foliations pdf |