Results 31 to 40 of about 140,110 (288)

Adaptive BEM with optimal convergence rates for the Helmholtz equation [PDF]

open access: yes, 2018
We analyze an adaptive boundary element method for the weakly-singular and hypersingular integral equations for the 2D and 3D Helmholtz problem. The proposed adaptive algorithm is steered by a residual error estimator and does not rely on any a priori ...
Bespalov, Alex   +3 more
core   +3 more sources

Stabilization of solutions of weakly singular quenching problems [PDF]

open access: yesProceedings of the American Mathematical Society, 1993
In this paper we prove that if 0 > β > 1 , D ⊂ R N 0 > \beta > 1,\;D \subset {R^N} is bounded, and λ > 0 \lambda > 0 , then every element of the ω ...
Fila, Marek   +2 more
openaire   +2 more sources

Applications of a completeness lemma in minimal surface theory to various classes of surfaces

open access: yes, 2010
We give several applications of a lemma on completeness used by Osserman to show the meromorphicity of Weierstrass data for complete minimal surfaces with finite total curvature.
Umehara, Masaaki, Yamada, Kotaro
core   +1 more source

Integrable Singularities and Weakly Sequentially Continuous Maps

open access: yesZeitschrift für Analysis und ihre Anwendungen, 2003
New existence results for singular second order boundary value problems, where the singularity is integrable, are presented using fixed point theory for weakly sequentially continuous maps.
Agarwal, R. P., O'Regan, D.
openaire   +2 more sources

Transcriptional network analysis of PTEN‐protein‐deficient prostate tumors reveals robust stromal reprogramming and signs of senescent paracrine communication

open access: yesMolecular Oncology, EarlyView.
Combining PTEN protein assessment and transcriptomic profiling of prostate tumors, we uncovered a network enriched in senescence and extracellular matrix (ECM) programs associated with PTEN loss and conserved in a mouse model. We show that PTEN‐deficient cells trigger paracrine remodeling of the surrounding stroma and this information could help ...
Ivana Rondon‐Lorefice   +16 more
wiley   +1 more source

The predictability of large-scale wind-driven flows [PDF]

open access: yesNonlinear Processes in Geophysics, 2001
The singular values associated with optimally growing perturbations to stationary and time-dependent solutions for the general circulation in an ocean basin provide a measure of the rate at which solutions with nearby initial conditions begin to ...
A. Mahadevan   +4 more
doaj  

On fully discrete collocation methods for solving weakly singular integral equations

open access: yesMathematical Modelling and Analysis, 2009
A popular class of methods for solving weakly singular integral equations is the class of piecewise polynomial collocation methods. In order to implement those methods one has to compute exactly certain integrals that determine the linear system to be ...
Raul Kangro, Inga Kangro
doaj   +1 more source

A Product Integration type Method for solving Nonlinear Integral Equations in L

open access: yes, 2016
This paper deals with nonlinear Fredholm integral equations of the second kind. We study the case of a weakly singular kernel and we set the problem in the space L 1 ([a, b], C). As numerical method, we extend the product integration scheme from C 0 ([a,
Ahues, M., Grammont, L., Kaboul, H.
core   +5 more sources

Product Integration for Weakly Singular Integral Equations [PDF]

open access: yesMathematics of Computation, 1981
The product integration method is used for the numerical solution of weakly singular integral equations of the second kind. These equations often have solutions which have derivative singularities at the endpoints of the range of integration. Therefore, the order of convergence results of de Hoog and Weiss for smooth solutions do not hold in general ...
openaire   +2 more sources

Peroxidasin enables melanoma immune escape by inhibiting natural killer cell cytotoxicity

open access: yesMolecular Oncology, EarlyView.
Peroxidasin (PXDN) is secreted by melanoma cells and binds the NK cell receptor NKG2D, thereby suppressing NK cell activation and cytotoxicity. PXDN depletion restores NKG2D signaling and enables effective NK cell–mediated melanoma killing. These findings identify PXDN as a previously unrecognized immune evasion factor and a potential target to improve
Hsu‐Min Sung   +17 more
wiley   +1 more source

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