Results 11 to 20 of about 4,010 (267)

Cesàro Summability Involving $\delta$-Quasi-Monotone and Almost Increasing Sequences

Journal of New Theory, 2022
This paper generalises a well-known theorem on ${\mid{C},\rho\mid}_\kappa$ summability to the $\varphi-{\mid{C},\rho;\beta\mid}_\kappa$ summability of an infinite series using an almost increasing and a $\delta$-quasi monotone sequence.
Bağdagül Kartal
doaj   +1 more source

Constructive Tensor Field Theory [PDF]

, 2016
We provide an up-to-date review of the recent constructive program for field theories of the vector, matrix and tensor type, focusing not on the models themselves but on the mathematical tools used.Comment: arXiv admin note: text overlap with arXiv:1401 ...
Rivasseau, Vincent
core   +1 more source

Sparse polynomial approximation of parametric elliptic PDEs. Part II: lognormal coefficients [PDF]

, 2015
Elliptic partial differential equations with diffusion coefficients of lognormal form, that is $a=exp(b)$, where $b$ is a Gaussian random field, are considered.
Bachmayr, Markus, Cohen, Albert, DeVore, Ronald, Migliorati, Giovanni   +3 more
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On Absolute Summability Factors [PDF]

Proceedings of the American Mathematical Society, 1993
By using for \delta ≥ 0 so-called |\bar{N}, p_n; \delta |_k -boundedness of series \sum^{\infty}_{n=1} a_n
openaire   +5 more sources

A note on absolute summability factors

International Journal of Mathematics and Mathematical Sciences, 1994
In this paper, a generalization of a theorem of Mishra and Srivastava [4] on |C,1|k summability factors has been proved.
Hüseyın Bor
doaj   +1 more source

On a new application of power increasing sequences; pp. 205–209 [PDF]

Proceedings of the Estonian Academy of Sciences, 2008
A general theorem dealing with ‌‌ C, α, β ‌ k summability factors has been proved under weaker conditions.
Hüseyin Bor
doaj   +1 more source

Constructive Matrix Theory [PDF]

, 2007
We extend the technique of constructive expansions to compute the connected functions of matrix models in a uniform way as the size of the matrix increases. This provides the main missing ingredient for a non-perturbative construction of the $\phi^{\star
, A. Abdesselam, A. Abdesselam, A. Mirlin, J. Glimm, J. Magnen, J. Magnen, J.A. Zuk, J.Feldman, K.B. Efetov, M.L. Mehta, V. Rivasseau, V. Rivasseau, V. Rivasseau, Vincent Rivasseau   +14 more
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On an application of almost increasing sequences

International Journal of Mathematics and Mathematical Sciences, 2001
Using an almost increasing sequence, a result of Mazhar (1977) on |C,1|k summability factors has been generalized for |C,α;β|k and |N¯,pn;β|k summability factors under weaker conditions.
Hüseyın Bor
doaj   +1 more source

On almost increasing sequences and its applications

International Journal of Mathematics and Mathematical Sciences, 2001
We prove a general theorem on |N¯,pn;δ|k summability factors, which generalizes a theorem of Bor (1994) on |N¯,pn|k summability factors, under weaker conditions by using an almost increasing sequence.
Hikmet S. Özarslan
doaj   +1 more source

Summability factors between the absolute Cesàro methods

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2018
If Σε_{n}x_{n} is summable by the method Y whenever Σx_{n} is summable by the method X, then we say that the factor ε=(ε_{n}) is of type (X,Y) and denote by (X,Y).
G. Canan Hazar Güleç
doaj   +1 more source