Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Eiichi Matsuhashi"'
1
Some decomposable continua and Whitney levels of their hyperspaces
Autor: Eiichi Matsuhashi, Yoshiyuki Oshima
We introduce the new class of continua; $D^{**}$-$continua$. The classes of Wilder continua and $D^{*}$-continua are strictly contained in the class of $D^{**}$-continua. Also, the class of $D$-continua is bigger than the class of $D^{**}$-continua.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a5773814845e6472198e008effca40a
http://arxiv.org/abs/2205.14502
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2
Weakly Whitney preserving maps
Autor: Eiichi Matsuhashi, Benjamin Espinoza
Publikováno v: Topology and its Applications. 262:90-108
In this paper we modify the definition of Whitney preserving map to introduce a new family of functions; weakly Whitney preserving maps, and we study the relationships of this new family with other families of functions.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d05729168ade9c3bb1f5648376b5109f
https://doi.org/10.1016/j.topol.2019.05.010
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4
Inverse Limits with Upper Semi-continuous Bonding Functions Whose Inverse Functions are Continuous
Autor: Eiichi Matsuhashi, Takahiro Yamanaka
Publikováno v: Mediterranean Journal of Mathematics. 17
In this paper, we investigate properties of inverse limits with upper semi-continuous bonding functions whose inverse functions are continuous. In particular, under the condition where each factor space is an arbitrary compactum, we give a sufficient
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::423344aeab17080577f4cec4f8cf4aa7
https://doi.org/10.1007/s00009-020-01525-3
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5
Parametric set-wise injective maps
Autor: Vesko Valov, Eiichi Matsuhashi
Publikováno v: Topology and its Applications. 231:337-344
We introduce the notion of set-wise injective maps and provide results about fiber embeddings. Our results improve some previous results in this area.
Comment: 11 pages
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f4ab71e0b993a27ff1b79a6193492a7
https://doi.org/10.1016/j.topol.2017.09.029
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7
Continuum-wise injective maps
Autor: Hisao Kato, Eiichi Matsuhashi
Publikováno v: Topology and its applications. 202:410-417
We prove that for each n ≥ 1 the set of all surjective continuum-wise injective maps from an n-dimensional continuum onto an LC n − 1 -continuum with the disjoint ( n − 1 , n )-cells property is a dense G δ -subset of the space of all surjecti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f1a616f9dbb5c119418092cd258cfcd
https://tsukuba.repo.nii.ac.jp/records/38217
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8
Arcwise increasing maps
Autor: Benjamin Espinoza, Eiichi Matsuhashi
Publikováno v: Topology and its Applications. 190:74-92
A surjective continuous map f : [ 0 , 1 ] → X is called an arcwise increasing map if for any two closed subintervals A and B of [ 0 , 1 ] such that A ⊊ B , then f ( A ) ⊊ f ( B ) . A continuum X is said to admit an arcwise increasing map if the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7642654eced1af3dc4b1c9d787b818f8
https://doi.org/10.1016/j.topol.2015.04.010
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