Results 41 to 50 of about 2,787 (88)

Regularity and asymptotics of densities of inverse subordinators

open access: yesTransactions of the London Mathematical Society, Volume 11, Issue 1, December 2024.
Abstract In this article, densities (and their derivatives) of subordinators and inverse subordinators are considered. Under minor restrictions, generally milder than the existing in the literature, employing a useful modification of the saddle point method, we obtain the large asymptotic behaviour of these densities (and their derivatives) for a ...
Giacomo Ascione   +2 more
wiley   +1 more source

The Liouville theorem for a class of Fourier multipliers and its connection to coupling

open access: yesBulletin of the London Mathematical Society, Volume 56, Issue 7, Page 2374-2394, July 2024.
Abstract The classical Liouville property says that all bounded harmonic functions in Rn$\mathbb {R}^n$, that is, all bounded functions satisfying Δf=0$\Delta f = 0$, are constant. In this paper, we obtain necessary and sufficient conditions on the symbol of a Fourier multiplier operator m(D)$m(D)$, such that the solutions f$f$ to m(D)f=0$m(D)f=0$ are ...
David Berger   +2 more
wiley   +1 more source

Weighted $\beta\gamma$-summability of fuzzy functions of order $\theta$

open access: yes, 2016
The concept of weighted $\beta\gamma$ - summability of order $\theta$ in case of fuzzy functions is introduced and classified into ordinary and absolute sense. Several inclusion relations among the sets are investigated.
Ojha, Sarita, Srivastava, P. D.
core   +1 more source

$L^p$-integrability, dimensions of supports of fourier transforms and applications

open access: yes, 2014
It is proved that there does not exist any non zero function in $L^p(\R^n)$ with $1\leq p\leq 2n/\alpha$ if its Fourier transform is supported by a set of finite packing $\alpha$-measure where ...
Raani, K. S. Senthil
core   +1 more source

A uniform Tauberian theorem in optimal control [PDF]

open access: yes, 2010
In an optimal control framework, we consider the value $V_T(x)$ of the problem starting from state $x$ with finite horizon $T$, as well as the value $V_\lambda(x)$ of the $\lambda$-discounted problem starting from $x$.
Oliu-Barton, Miquel, Vigeral, Guillaume
core  

A remark on the Wiener-Ikehara Tauberian theorem [PDF]

open access: yes, 2014
In this paper we point out that the proof of Kable's extension of the Wiener-Ikehara Tauberian theorem can be applied to the case where the Dirichlet series has a pole of order "$l / m$" without much modification (Kable proved the case $l = 1$).Comment ...
Kato, Ryo
core   +2 more sources

Testing homogeneity: the trouble with sparse functional data. [PDF]

open access: yesJ R Stat Soc Series B Stat Methodol, 2023
Zhu C, Wang JL.
europepmc   +1 more source

An asymptotic variance of the self-intersections of random walks

open access: yes, 2010
We present a Darboux-Wiener type lemma and apply it to obtain an exact asymptotic for the variance of the self-intersection of one and two-dimensional random walks.
Deligiannidis, George, Utev, Sergey
core  

Valuing the Future and Discounting in Random Environments: A Review. [PDF]

open access: yesEntropy (Basel), 2022
Masoliver J   +5 more
europepmc   +1 more source

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