Results 21 to 30 of about 119,178,688 (304)

On Doitchinov's quietness for arbitrary quasi-uniform spaces [PDF]

open access: yes, 2010
The notion of a quiet quasi-uniform space was introduced by Doitchinov in1988 when he developed an interesting completion theory for this class ofquasi-uniform spaces.
Kivuvu, Charly Makitu
core   +1 more source

Fractional Bagley-Torvik Problem Analysis with Hilfer Fractional Derivatives and Pettis Function Space

open access: yesFractal and Fractional
This paper analyzes the Bagley–Torvik fractional-order equation with generalized fractional Hilfer derivatives of two orders for functions in Banach spaces under conditions expressed in the language of weak topology.
Mieczysław Cichoń   +3 more
doaj   +1 more source

On some functional generalizations of the regularity of topological spaces

open access: yesVisnyk Lvivskogo Universytetu. Seriya Mekhaniko-Matematychna, 2019
We introduce and study some generalizations of regular spaces, which were motivated by studying continuity properties of functions between (regular) topological spaces. In particular, we prove that a first-countable Hausdorff topological space is regular if and only if it does not contain a topological copy of the Gutik hedgehog.
Banakh, Taras, Bokalo, Bogdan
openaire   +2 more sources

Convexity in quasi-metric spaces [PDF]

open access: yes, 2012
Includes abstract.Includes bibliographical references.The principal aim of this thesis is to investigate the existence of an injective hull in the categories of T-quasi-metric spaces and of T-ultra-quasi-metric spaces with nonexpansive ...
Otafudu, Olivier Olela
core   +1 more source

Soft 〖"Pre" 〗^*-Generalized Continuous Functions in Soft Topological Spaces

open access: yesRatio Mathematica, 2022
The aim of this paper is to define a new class of generalized continuous functions called soft -generalized continuous functions and soft -generalized irresolute functions in soft topological spaces. We discuss several characterizations of soft -generalized continuous and irresolute functions and also investigate their relationship with other soft ...
Reena, C, Karthika, M
openaire   +2 more sources

An introduction to Smarandache multi-spaces and mathematical combinatorics [PDF]

open access: yes, 2007
These Smarandache spaces are right theories for objectives by logic. However, the mathematical combinatorics is a combinatorial theory for branches in classical mathematics motivated by a combinatorial speculation.
Linfan Mao, Mao. Linfan
core   +1 more source

Equivalence Between Fractional Differential Problems and Their Corresponding Integral Forms with the Pettis Integral

open access: yesMathematics
The problem of equivalence between differential and integral problems is absolutely crucial when applying solution methods based on operators and their properties in function spaces.
Mieczysław Cichoń   +3 more
doaj   +1 more source

Irresolute and its Contra Functions in Generalized Neutrosophic Topological Spaces

open access: yesNeutrosophic Sets and Systems, 2022
The intention to study the idea of Generalized Topological Spaces by means of Neutrosophic sets leads to develop this article. In this write up we launch new ideas on N-Topological Spaces. We study some of its characteristics and behaviours of N--irresolute function, N-semi-irresolute function and N-pre-irresolute function.
P. Santhi, A. Yuvarani, S. Vijaya
openaire   +3 more sources

Sheffer homeomorphisms of spaces of entire functions in infinite dimensional analysis [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 2018
For certain Sheffer sequences ( s n ) n = 0 ∞ on C , Grabiner (1988) proved that, for each α ∈ [ 0 , 1 ] , the corresponding Sheffer operator z n ↦ s n ( z ) extends to a linear self-homeomorphism of E min α ( C ) , the Frechet topological space of ...
D. Finkelshtein   +4 more
semanticscholar   +1 more source

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

open access: yesFEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang   +2 more
wiley   +1 more source

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