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Given a homotopy equivalence f between two topological spaces we obtain an explicit formula for a strong deformation retraction of the mapping cylinder of f onto its top.
Filters and open filters are useful utilities to explore structures of domains. In this paper, it is proved that for a continuous distributive semilattice L, OFilt(L) is a distributive lattice iff L i...
A note on ANR's
absolute neighbourhood retract ANR ball intersection property Urysohn universal space complete metric space
2011/8/29
Abstract: It is shown that if for a complete metric space $(X,d)$ there is a constant $\epsilon > 0$ such that the intersection $\bigcap_{j=1}^n B_d(x_j,r_j)$ of open balls is nonempty for every finit...
A Note on Regularity for the n-dimensional H-System assuming logarithmic higher Integrability
Harmonic maps nonlinear elliptic PDE regularity of solutions
2011/1/21
We prove Holder continuity for solutions to the n-dimensional H-System assuming logarithmic higher integrability of the solution.
A Note on the Paper $"$Poincaré Inequality on the Path Space of Poisson Point Processes"
Paper $"$Poincaré Inequality ath Space of Poisson Point Processes"
2010/12/1
In the recent paper [2] we proved a Poincar´e inequality on the path space of compound Poisson processes by using transition probabilities and the Markov property. Our purpose
is to develop a g...
A note on Hardy's inequalities with boundary singularities
Hardy inequality extremals p-Laplacian
2010/12/8
Let be a smooth bounded domain in RN with N 1. In this paper we study the Hardy-Poincar´e inequalities with weight function singular at the boundary of .In particular we give sufficient condit...
期刊信息
篇名
A note on the topological modification of the Hutton unit interval
语种
英文
撰写或编译
作者
王凤琼,张德学
第一作者单位
刊物名称
Fuzzy Sets and Systems
页面
133, 401- 406，2003
出版日期
2003年
月
日
文章标识(ISSN)
相关项目
从范畴拓扑观点看不分明拓扑及...