Results 121 to 130 of about 31,522 (314)

The "fundamental theorem" for the algebraic K-theory of spaces. I

open access: yes, 2001
Hüttemann T, Klein JR, Vogell W, Waldhausen F, Williams B. The "fundamental theorem" for the algebraic K-theory of spaces. I. Journal of Pure and Applied Algebra. 2001;160(1):21-52.Let X H A(X) denote the algebraic K-theory of spaces functor.
Wolrad Vogell   +10 more
core   +1 more source

Soft Mappings Space

open access: yesThe Scientific World Journal, 2014
Various soft topologies are being introduced on a given function space soft topological spaces. In this paper, soft compact-open topology is defined in functional spaces of soft topological spaces.
Taha Yasin Ozturk, Sadi Bayramov
doaj   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

open access: yesAdvanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source

Topological States of Matter

open access: yes, 2012
My research program is focused on the study of elastic deformation and topological defects in two materials: graphene and topological insulators. In both systems at low energies the electrons have a nearly linear spectrum, i.e.
Parente, Vincenzo
core  

Normality and Paracompactness in Fuzzy Topological Spaces

open access: yes
Los datos de: Tipo de versión, Evaluado, Estado, y Derechos de acceso, corresponden a la versión (sin acceso abierto) publicada en el libro de la editorial Springer.The importance of paracompactness (and the concepts related to it) in the field of ...
Gallego Lupiáñez, Francisco
core   +1 more source

Ng#-Irresolvable and Strongly Ng#-Irresolvable Spaces in Neutrosophic Topological Spaces

open access: yesNeutrosophic Sets and Systems
The notion of breaking down a topological space into smaller, disjoint subsets is the basis for the topological concepts of ‘resolvable space’ and ‘irresolvable space’.
Martina Jency J.   +2 more
doaj   +1 more source

*—Inductive limits and partition of unity

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1989
In this note we define and discuss some properties of partition of unity on *-inductive limits of topological vector spaces. We prove that if a partition of unity exists on a *-inductive limit space of a collection of topological vector spaces, then it ...
V. Murali
doaj   +1 more source

Topology of Misorientation Spaces

open access: yesProceedings of the Steklov Institute of Mathematics
Let $G_1$ and $G_2$ be discrete subgroups of $SO(3)$. The double quotients of the form $X(G_1,G_2)=G_1\backslash SO(3)/G_2$ were introduced in material science under the name misorientation spaces. In this paper we review several known results that allow to study topology of misorientation spaces.
Ayzenberg, Anton A., Gugnin, Dmitry V.
openaire   +3 more sources

High Charge Carrier Mobility in Non‐Conjugated 3D Covalent Organic Frameworks

open access: yesAdvanced Materials, EarlyView.
A non‐conjugated 3D COF constructed via boronate ester linkages from tetraphenylene and pyrene‐based monomers is reported, which exhibits a high charge carrier mobility of 14 ± 1 cm2 V−1 s−1. ABSTRACT π‐Conjugation, π–π stacking, and long‐range order play a central role in determining charge transport efficiency in organic materials.
Joaquín Almarza   +11 more
wiley   +1 more source

Unifying Concepts in Topology: Analyzing Sg∗-Open and Sg∗-Closed Sets in Generalized Primal Topological Spaces

open access: yesJournal of Mathematics
This research introduces the concept of Sg∗-open and Sg∗-closed sets within the framework of primal topological spaces, extending the existing body of knowledge in topology. Initially, this paper reviews fundamental topological structures, including open
Muhammad Shahbaz   +4 more
doaj   +1 more source

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