Katsuro Sakai

The completions of metric ANR's and homotopy dense subsets

Katsuro Sakai · Journal of the Mathematical Society of Japan · 2000 · 31 citations · Full text

Metric Completion, Set-theoretic Topology, Topological Property +3

Hyperspaces of non-compact metrizable spaces which are homeomorphic to the Hilbert cube

Katsuro Sakai, Zhongqiang Yang · Topology and its Applications · 2002 · 19 citations

Hilbert Cube, Set-theoretic Topology, Non-compact Metrizable Spaces +2

On R∞ and Q∞-manifolds

Katsuro Sakai · Topology and its Applications · 1984 · 18 citations

Riemannian Geometry, Global Analysis, Riemannian Manifold

Hyperspaces of separable Banach spaces with the Wijsman topology

Wiesław Kubiś, Katsuro Sakai, Masato Yaguchi · Topology and its Applications · 2005 · 17 citations

Separable Banach Spaces, Topological Property, Set-theoretic Topology +1

Characterizing Manifolds Modeled on Certain Dense Subspaces of Non-Separable Hilbert Spaces

Katsuro Sakai, Masato Yaguchi · Tsukuba Journal of Mathematics · 2003 · 13 citations · Full text

Spectral Theory, Certain Dense Subspaces, Canonical Orthonormal Basis +12