Results 41 to 50 of about 2,494,573 (234)

P2X3 receptor antagonism improves hindlimb blood flow during exercise in a conscious ovine model of hypertensive heart failure with preserved ejection fraction

The Journal of Physiology, EarlyView.
Abstract figure legend A preclinical large‐animal model of hypertensive heart failure with preserved ejection fraction (HFpEF) was used to examine the role of purinergic P2X3 receptor signalling during treadmill exercise. Animals were instrumented with either thoracic cardiac output and coronary flow probes or abdominal renal and hindlimb blood flow ...
Mridula Pachen, Siyi Chen, Joshua W.‐H. Chang, Audrys Pauza, Julia Shanks, Bindu George, Julian Paton, Rohit Ramchandra   +7 more
wiley   +1 more source

Finite-dimensional perturbations of linear operators and some applications to boundary integral equations [PDF]

, 1999
Finite-dimensional perturbing operators are constructed using some incomplete information about eigen-solutions of an original and/or adjoint generalized Fredholm operator equation (with zero index).
S.E. Mikhailov, Mikhailov, SE
core   +1 more source

Inverse problems for semilinear elliptic PDE with a general nonlinearity a(x,u)$a(x,u)$

Transactions of the London Mathematical Society, Volume 13, Issue 1, December 2026.
Abstract This article studies the inverse problem of recovering a nonlinearity in an elliptic equation Δu+a(x,u)=0$\Delta u + a(x,u) = 0$ from boundary measurements of solutions. Previous results based on first‐order linearization achieve this under a sign condition on ∂ua(x,u)$\partial _u a(x,u)$, and results based on higher order linearization ...
David Johansson, Janne Nurminen, Mikko Salo   +2 more
wiley   +1 more source

Analysis of Eigenvalue Clustering Leads to Optimal Scaling in Numerical Radiative Transfer

Numerical Linear Algebra with Applications, Volume 33, Issue 5, October 2026.
ABSTRACT We consider a multidimensional polychromatic radiative transfer (RT) problem, accounting for scattering processes in a general form, that is, anisotropic (dipole) scattering with partial frequency redistribution. Given a discrete ordinates (SN$$ {S}_N $$) discretization, we report the corresponding matrix structures, depending on the model and
Pietro Benedusi, Simone Riva, Luca Belluzzi, Stefano Serra‐Capizzano   +3 more
wiley   +1 more source

Selective Packaging of miR‐22 and miR‐29 Orthologues into Extracellular Vesicles of the Porcine Whipworm Trichuris Suis

Journal of Extracellular Vesicles, Volume 15, Issue 9, September 2026.
ABSTRACT Helminths modulate host immunity, and in this respect, the porcine whipworm Trichuris suis has been explored clinically as an immunotherapy for inflammatory diseases. T. suis secretes a complex mixture of excretory/secretory products (ESP), including extracellular vesicles (EVs), nanosized membranous particles with bioactive cargoes of lipids,
Bradley Whitehead, Maibritt Mardahl, Eline P. Hansen, Bastian Fromm, Anne Borup, Anders Toftegaard Boysen, Jasmine C. L. Atay, Rikke Nørregaard, Allan Stensballe, Sidsel D. Andersen, Robin B. Gasser, Marco Brucale, Francesco Valle, Andrea Ridolfi, Eske Nøhr Glud, Merete Fredholm, Andrew R. Williams, Stig M. Thamsborg, Johan Palmfedt, Peter Nejsum   +19 more
wiley   +1 more source

Edge Density Expansions for the Classical Gaussian and Laguerre Ensembles

Studies in Applied Mathematics, Volume 157, Issue 3, September 2026.
ABSTRACT Recent work of Bornemann has uncovered hitherto hidden integrable structures relating to the asymptotic expansion of quantities at the soft edge of the Gaussian and Laguerre random matrix ensembles. These quantities are spacing distributions and the eigenvalue density, and the findings cover the cases of the three symmetry classes: orthogonal,
Peter J. Forrester, Anas A. Rahman, Bo‐Jian Shen   +2 more
wiley   +1 more source

ALGEBRAIC SOLUTION OF THE FREDHOLM INTEGRAL EQUATION WITH DEGENERATE KERNEL.

, 1976
ALGEBRAIC SOLUTION OF THE FREDHOLM INTEGRAL EQUATION WITH DEGENERATE ...
JOHN DAVID. BRADBURN (7958918)
core   +6 more sources

Mixed type of Fredholm-Volterra integral equation [PDF]

, 2006
In this paper, under certain conditions, the solution of mixed type of Fredholm-Volterra integral equation is discussed and obtained in the space L_2 (−1, 1) × C[0, T ], T < ∞.
Abdou, M. A., Abd Al-Kader, G. M.
core  

A new hybrid orthonormal Bernstein and improved block-pulse functions method for solving mathematical physics and engineering problems

Alexandria Engineering Journal, 2020
In this paper, numerical solution of the linear second kind Fredholm integral equations is studied. These integral equations are widely used for solving many problems in mathematical physics and engineering.
Mohamed Ramadan, Heba S. Osheba
doaj   +1 more source

Simple homotopy theory for Fukaya categories

Journal of Topology, Volume 19, Issue 3, September 2026.
Abstract We develop a categorical framework for simple homotopy theory in Fukaya categories, based on the fundamental group of the ambient symplectic manifold. When the first Chern class vanishes, we show that any isomorphism in the Fukaya category of a Weinstein manifold has trivial Whitehead torsion.
Yonghwan Kim
wiley   +1 more source