Results 21 to 30 of about 32,772 (95)

Interpolation sets in spaces of continuous metric-valued functions [PDF]

open access: yes, 2018
Let $X$ and $M$ be a topological space and metric space, respectively. If $C(X,M)$ denotes the set of all continuous functions from X to M, we say that a subset $Y$ of $X$ is an \emph{$M$-interpolation set} if given any function $g\in M^Y$ with ...
Ferrer, María V.   +2 more
core   +3 more sources

The potential of additive manufacturing in the smart factory industrial 4.0: A review [PDF]

open access: yes, 2019
Additive manufacturing (AM) or three-dimensional (3D) printing has introduced a novel production method in design, manufacturing, and distribution to end-users.
Dehghanghadikolaei, Amir   +5 more
core   +1 more source

Expansive actions on uniform spaces and surjunctive maps

open access: yes, 2011
We present a uniform version of a result of M. Gromov on the surjunctivity of maps commuting with expansive group actions and discuss several applications.
A. Weil   +14 more
core   +1 more source

A shadowing problem in the detection of overlapping communities: lifting the resolution limit through a cascading procedure [PDF]

open access: yes, 2015
Community detection is the process of assigning nodes and links in significant communities (e.g. clusters, function modules) and its development has led to a better understanding of complex networks.
A Allard   +34 more
core   +5 more sources

Layered cellular automata for pseudorandom number generation [PDF]

open access: yes, 2007
The proposed Layered Cellular Automata (L-LCA), which comprises of a main CA with L additional layers of memory registers, has simple local interconnections and high operating speed. The time-varying L-LCA transformation at each clock can be reduced to a
Guan, SU, Tan, SK
core   +1 more source

Lowest common ancestor interconnection networks [PDF]

open access: yes, 1992
Lowest Common Ancestor (LCA) networks are built using switches capable of connecting u + d inputs/outputs in a permutation pattern. For n source nodes and I stages of switches, n/d switches are used in stage l - n/d - u/d in stage l - 2, and in general ,
Alleyne, Brian D.   +2 more
core  

Weighted Dirac combs with pure point diffraction

open access: yes, 2004
A class of translation bounded complex measures, which have the form of weighted Dirac combs, on locally compact Abelian groups is investigated. Given such a Dirac comb, we are interested in its diffraction spectrum which emerges as the Fourier transform
A. C.   +18 more
core   +2 more sources

Linear combinations of generators in multiplicatively invariant spaces

open access: yes, 2015
Multiplicatively invariant (MI) spaces are closed subspaces of $L^2(\Omega,\mathcal{H})$ that are invariant under multiplications of (some) functions in $L^{\infty}(\Omega)$. In this paper we work with MI spaces that are finitely generated. We prove that
Paternostro, Victoria
core   +1 more source

Density and duality theorems for regular Gabor frames

open access: yes, 2015
We investigate Gabor frames on locally compact abelian groups with time-frequency shifts along non-separable, closed subgroups of the phase space. Density theorems in Gabor analysis state necessary conditions for a Gabor system to be a frame or a Riesz ...
Jakobsen, Mads Sielemann, Lemvig, Jakob
core   +1 more source

The Dynamics of Group Codes: Dual Abelian Group Codes and Systems

open access: yes, 2004
Fundamental results concerning the dynamics of abelian group codes (behaviors) and their duals are developed. Duals of sequence spaces over locally compact abelian groups may be defined via Pontryagin duality; dual group codes are orthogonal subgroups of
Forney Jr., G. David, Trott, Mitchell D.
core   +1 more source

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