Results 21 to 30 of about 255 (119)
New Fixed Point Results in F‐Quasi‐Metric Spaces and an Application
Advances in Mathematical Physics, Volume 2020, Issue 1, 2020., 2020 The main goal of the present paper is to obtain several fixed point theorems in the framework of F‐quasi‐metric spaces, which is an extension of F‐metric spaces. Also, a Hausdorff δ‐distance in these spaces is introduced, and a coincidence point theorem regarding this distance is proved.
Ehsan Lotfali Ghasab +4 more
wiley +1 more source
Parametrized homotopy theory [PDF]
, 2004 Prologue Point-set topology, change functors, and proper actions: Introduction to Part I The point-set topology of parametrized spaces Change functors and compatibility relations Proper actions, equivariant bundles and fibrations Model categories and ...
Jon P. May, J. Sigurdsson
semanticscholar +1 more source
UNIQUE FIXED POINT THEOREMS FOR CONTRACTIVE MAPS TYPE IN T 0 -QUASI-METRIC SPACES [PDF]
, 2014 In [2], Agyingi proved that every generalized contractive mapping defined in a q-spherically complete T 0 -ultra-quasi-metric space has a unique fixed point.
Yae ́ Ulrich Gaba
core +1 more source
On the Category of Props [PDF]
Applied Categorical Structures, 2012 The category of (colored) props is an enhancement of the category of colored operads, and thus of the category of small categories. The titular category has nice formal properties: it is bicomplete and is a symmetric monoidal category, with monoidal ...
Philip Hackney, M. Robertson
semanticscholar +1 more source
Bicompletions of Distance Matrices [PDF]
, 2013 In the practice of information extraction, the input data are usually arranged into pattern matrices, and analyzed by the methods of linear algebra and statistics, such as principal component analysis. In some applications, the tacit assumptions of these methods lead to wrong results.
openaire +3 more sources
Ultra‐Quasi‐Metrically Tight Extensions of Ultra‐Quasi‐Metric Spaces
Chinese Journal of Mathematics, Volume 2015, Issue 1, 2015., 2015 The concept of the tight extension of a metric space was introduced and studied by Dress. It is known that Dress theory is equivalent to the theory of the injective hull of a metric space independently discussed by Isbell some years earlier. Dress showed in particular that for a metric space X the tight extension TX is maximal among the tight ...
Collins Amburo Agyingi, Luoshan Xu
wiley +1 more source
On Quasi‐Pseudometric Type Spaces
Chinese Journal of Mathematics, Volume 2014, Issue 1, 2014., 2014 We introduce the concept of a quasi‐pseudometric type space and prove some fixed point theorems. Moreover, we connect this concept to the existing notion of quasi‐cone metric space.
Eniola Funmilayo Kazeem +4 more
wiley +1 more source
Permutative categories, multicategories and algebraicK–theory [PDF]
Algebraic & Geometric Topology, 2007 We show that the $K$-theory construction of arXiv:math/0403403, which preserves multiplicative structure, extends to a symmetric monoidal closed bicomplete source category, with the multiplicative structure still preserved.
A. Elmendorf, Michael A. Mandell
semanticscholar +1 more source
Abstract and Applied Analysis, Volume 2014, Issue 1, 2014., 2014 Asymmetric normed semilinear spaces are studied. A description of biBanach, left K‐sequentially complete, and Smyth complete asymmetric normed semilinear spaces is provided and three appropriate notions of absolute convergence in the asymmetric normed framework are introduced.
N. Shahzad, O. Valero, J. J. Font
wiley +1 more source
Sobrification and bicompletion of totally bounded quasi-uniform spaces [PDF]
Mathematical Proceedings of the Cambridge Philosophical Society, 1987 AbstractWe observe that if is a compatible totally bounded quasi-uniformity on a T0-space (X,), then the bicompletion of (X, ) is a strongly sober, locally quasicompact space. It follows that the b-closure S of (X, ) in is homeomorphic to the sobrification of the space (X, ).
Künzi, H. P. A., Brümmer, G. C. L.
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