Results 21 to 30 of about 11,165 (303)

Logarithmic heat kernel estimates without curvature restrictions

open access: yesThe Annals of Probability, 2023
The main results of the article are short time estimates and asymptotic estimates for the first two order derivatives of the logarithmic heat kernel of a complete Riemannian manifold. We remove all curvature restrictions and also develop several techniques.
Chen, Xin, Li, Xue-Mei, Wu, Bo
openaire   +3 more sources

A Logarithmic Image Prior for Blind Deconvolution [PDF]

open access: yes, 2015
Blind Deconvolution consists in the estimation of a sharp image and a blur kernel from an observed blurry image. Because the blur model admits several solutions it is necessary to devise an image prior that favors the true blur kernel and sharp image ...
Favaro, Paolo, Perrone, Daniele
core   +1 more source

Tikhonov Regularization For An Integral Equation Of The First Kind With Logarithmic Kernel [PDF]

open access: yes, 1998
In this paper, we discuss stability and Tikhonov regularization for the integral equation of the first kind with logarithmic kernel. Since the kernel is analytic in our case, the problem is severely ill-posed.
Bruckner, Gottfried   +3 more
core   +1 more source

An inequality for a quadratic functional

open access: yesVietnam Journal of Mechanics, 2009
An inequality is proved for a quadratic functional with the logarithmic kernel. The best constant of this inequality and the corresponding function for which the equality holds are found precisely.
Le Khanh Chau
doaj   +1 more source

Logarithmic Bergman Kernel and Conditional Expectation of Gaussian Holomorphic Fields [PDF]

open access: yesThe Journal of Geometric Analysis, 2021
We prove the asymptotic of the logarithmic Bergman kernel. And as an application, we calculate the conditional expectation of density of zeros of Gaussian random sections of powers of a positive line bundle that vanish along a fixed smooth subvariety.
openaire   +2 more sources

Weighted Bergman Kernels for Logarithmic Weights [PDF]

open access: yesPure and Applied Mathematics Quarterly, 2010
We describe the boundary singularity of weighted Bergman kernels on smoothly bounded strictly pseudoconvex domains for weights which behave, roughly speaking, likely formal power series in defining function with coefficients which are polynomials in the logarithm of defining function.
openaire   +2 more sources

Logarithmic correction to black hole entropy in universal low-energy string theory models

open access: yesJournal of High Energy Physics, 2023
We calculate the logarithmic correction to the entropy of asymptotically flat and AdS black holes (rotating, non-rotating, charged, and uncharged) embedded in Einstein-Maxwell-dilaton (EMD) theories with U(1)-charged.
Sudip Karan, Gurmeet Singh Punia
doaj   +1 more source

A new technical for solving a weakly singular integro-differential equations

open access: yesJournal of Taibah University for Science, 2017
In this work, we transform a weakly singular integro-differential equations with logarithmic kernel to singular integral equations of Cauchy type and we prove by regularization the existence and uniqueness of the solution of this equations.
Mostefa Nadir
doaj   +1 more source

Random walk on the range of random walk [PDF]

open access: yes
We study the random walk X on the range of a simple random walk on ℤ d in dimensions d≥4. When d≥5 we establish quenched and annealed scaling limits for the process X, which show that the intersections of the original simple random walk path are ...
Croydon, David A.
core   +1 more source

Kernel Least Logarithmic Absolute Difference Algorithm

open access: yesMathematical Problems in Engineering, 2022
Kernel adaptive filtering (KAF) algorithms derived from the second moment of error criterion perform very well in nonlinear system identification under assumption of the Gaussian observation noise; however, they inevitably suffer from severe performance degradation in the presence of non-Gaussian impulsive noise and interference.
Dongliang Fu   +3 more
openaire   +1 more source

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