Results 11 to 20 of about 887,414 (331)

A Study of Approximation Properties in Felbin-Fuzzy Normed Spaces

open access: yesMathematics, 2020
In this paper, approximation properties in Felbin-fuzzy normed spaces are studied. These approximation properties have been recently introduced in Felbin-fuzzy normed spaces. We make topological tools to analyze such approximation properties.
Ju Myung Kim, Keun Young Lee
doaj   +1 more source

SAC Property and Approximate Semicontinuity [PDF]

open access: yesReal Analysis Exchange, 2000
For a bounded measurable function \(f:{\mathcal R} \to {\mathcal R}\) and for real \(r > 0\) let \[ p_r(x) = \sup \left\{ s\in (0,1]:\biggl|\frac{1}{h}\int_x^{x+h}f(t) dt- f(x)\biggr|< r\;\text{for }0 < |h|< s\right\} . \] If in the above formula we write \(\leq r\) then we define \(q_r(x)\).
Prus-Wiśniowski, Franciszek   +1 more
openaire   +5 more sources

The strong approximation property and the weak bounded approximation property [PDF]

open access: yesJournal of Functional Analysis, 2014
Abstract We show that the strong approximation property (strong AP) (respectively, strong CAP) and the weak bounded approximation property (respectively, weak BCAP) are equivalent for every Banach space. This gives a negative answer to Oja's conjecture. As a consequence, we show that each of the spaces c 0 and l 1 has a subspace
Ju Myung Kim, Bentuo Zheng
openaire   +1 more source

The Kp,q-Compactness and Kp,q-Null Sequences, and the KKp,q-Approximation Property for Banach Spaces

open access: yesMathematics, 2022
Let Kp,q (1≤p,q≤∞ with 1/p+1/q≥1) be the ideal of (p,q)-compact operators. This paper investigates the compactness and null sequences via Kp,q, and an approximation property of the ideal of Kp,q-compact operators.
Ju Myung Kim
doaj   +1 more source

Biologically Plausible Class Discrimination Based Recurrent Neural Network Training for Motor Pattern Generation

open access: yesFrontiers in Neuroscience, 2020
Biological brain stores massive amount of information. Inspired by features of the biological memory, we propose an algorithm to efficiently store different classes of spatio-temporal information in a Recurrent Neural Network (RNN).
Parami Wijesinghe   +2 more
doaj   +1 more source

Link Travel Time Estimation in Double-Queue-Based Traffic Models

open access: yesPromet (Zagreb), 2021
Double queue concept has gained its popularity in dynamic user equilibrium (DUE) modeling because it can properly model real traffic dynamics. While directly solving such double-queue-based DUE problems is extremely challenging, an approximation scheme ...
Xia Yang   +3 more
doaj   +1 more source

The Universal Approximation Property [PDF]

open access: yesAnnals of Mathematics and Artificial Intelligence, 2021
AbstractThe universal approximation property of various machine learning models is currently only understood on a case-by-case basis, limiting the rapid development of new theoretically justified neural network architectures and blurring our understanding of our current models’ potential.
openaire   +5 more sources

Simple Lie groups without the Approximation Property [PDF]

open access: yes, 2013
For a locally compact group G, let A(G) denote its Fourier algebra, and let M_0A(G) denote the space of completely bounded Fourier multipliers on G.
De Laat, Tim, Uffe Haagerup
core   +2 more sources

Approximation properties of tensor norms and operator ideals for Banach spaces

open access: yesOpen Mathematics, 2020
For a finitely generated tensor norm α\alpha , we investigate the α\alpha -approximation property (α\alpha -AP) and the bounded α\alpha -approximation property (bounded α\alpha -AP) in terms of some approximation properties of operator ideals.
Kim Ju Myung
doaj   +1 more source

On some properties of approximations

open access: yesTopology and its Applications, 2011
AbstractLet f:X→Y be continuous where X is a topological space and Y a metric space. Given a set E⊂Y, we ask whether f admits arbitrarily close continuous approximations whose values omit E (see Definition 2). It is shown that if X is paracompact, dimX⩽k, then each continuous mapping X→Rn, n>k, has an arbitrarily close approximation avoiding the ...
S.P. Ponomarev, S. Kowalczyk
openaire   +2 more sources

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