7 citations · 22 across the 34 of their papers we have counts for
6 papers · 1 filter
A topological characterization for non-wandering surface flows
Tomoo Yokoyama
Let be a continuous flow with arbitrary singularities on a compact surface. Then we show that if is non-wandering then is topologically equivalent to a flo…
Recurrent and Non-wandering properties for foliations
Tomoo Yokoyama
In this paper, we define the recurrence and "non-wandering" for decompositions. The following inclusion relations hold for codimension one foliations on closed -manifolds: m…
R-closedness and Upper semicontinuity
Tomoo Yokoyama
Let be a pointwise almost periodic decomposition of a compact metrizable space . Then is -closed if and only if is usc. Mor…
Toral or non locally connected minimal sets for suspensions of -closed surface homeomorphisms
Tomoo Yokoyama
Let be an orientable connected closed surface and be an -closed homeomorphism on which is isotopic to identity. Then the suspension of satisfies one of the follo…
Recurrence, pointwise almost periodicity and orbit closure relation for flows and foliations
Tomoo Yokoyama
In this paper, we obtain a characterizations of the recurrence of a continuous vector field of a closed connected surface as follows. The following are equivalent: 1) i…
-closed homeomorphisms on surfaces
Tomoo Yokoyama
Let be an -closed homeomorphism on a connected orientable closed surface . In this paper, we show that If has genus more than one, then each minimal set is either a p…