Results 91 to 100 of about 113,253 (227)

Modeling Phenological and Physiological Responses to Climate Warming in a Hypothetical Migratory Songbird–Mosquito System

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
While changes in both phenology and physiology under climate warming are known to influence infection dynamics, surprisingly few studies have explored their interactive effects. We extended the Ross‐MacDonald model for a vector‐borne disease to explore how projections of moderate and severe warming influence the emergence of a hypothetical vector‐borne
Isabella G. Ragonese   +3 more
wiley   +1 more source

Operational Rules for a Mixed Operator of the Erdélyi-Kober Type [PDF]

open access: yes, 2004
2000 Mathematics Subject Classification: 26A33 (main), 44A40, 44A35, 33E30, 45J05, 45D05In the paper, the machinery of the Mellin integral transform is applied to deduce and prove some operational relations for a general operator of the Erdélyi-Kober ...
Luchko, Yury
core  

Boundary value problems of degenerate integro-differential equations on the boundary of the region with application in filtration

open access: yesE3S Web of Conferences
Boundary value problems for ordinary and integro-differential equations degenerating on the boundary of the region are considered. The existence of solutions is proven and a priori estimates for the solutions of the problems are obtained.
Abdujabbor Abdurazakov   +3 more
semanticscholar   +1 more source

On the relationship between mean hillslope length and drainage density

open access: yesEarth Surface Processes and Landforms, Volume 50, Issue 15, December 2025.
How can we quantify the average hillslope length of a catchment? Here we present a new framework that links this key metric to the actual flowing length of the river network, offering a broader, flexible alternative to the Horton classical formulation to describe how hillslope structure adapts to network expansion/contraction.
Gianluca Botter   +2 more
wiley   +1 more source

Factorization of abstract operators into two second degree operators and its applications to integro-differential equations

open access: yesBULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS
Boundary value problem B1x = f with an abstract linear operator B1, corresponding to an Fredholm integro-differential equation with ordinary or partial differential operator is researched.
I. Parasidis, E. Providas
semanticscholar   +1 more source

Analysis and Solutions for First-Order Multi- Integro- Differential Impulsive Equations

open access: yesWasit Journal for Pure sciences
In this paper the existence and uniqueness of first order multi-integro –multi impulsive equation has been presented in details and explained their approach depended on some inequalities and estimations and some special functions as estimators also, all ...
Anfal Shwish Hameed, Sameer Qasim Hassan
semanticscholar   +1 more source

An Integro-Differential Structure for Dirac Distributions

open access: yes, 2018
We develop a new algebraic setting for treating piecewise functions and distributions together with suitable differential and Rota-Baxter structures. Our treatment aims to provide the algebraic underpinning for symbolic computation systems handling such ...
Rosenkranz, Markus, Serwa, Nitin
core  

A new operational matrix based on Bernoulli polynomials [PDF]

open access: yes, 2014
In this research, the Bernoulli polynomials are introduced. The properties of these polynomials are employed to construct the operational matrices of integration together with the derivative and product.
Kazem, S.   +3 more
core  

Some new nonlinear second-order boundary value problems on an arbitrary domain

open access: yesAdvances in Difference Equations, 2018
In this paper, we develop the existence theory for nonlinear second-order ordinary differential equations equipped with new kinds of nonlocal non-separated type integral multi-point boundary conditions on an arbitrary domain. Existence results are proved
Ahmed Alsaedi   +3 more
doaj   +1 more source

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