Results 31 to 40 of about 76,149 (301)

A uniqueness result for the continuity equation in two dimensions [PDF]

open access: yes, 2014
We characterize the autonomous, divergence-free vector fields $b$ on the plane such that the Cauchy problem for the continuity equation $\partial_t u + div(bu) = 0$ admits a unique bounded solution (in the weak sense) for every bounded initial datum; the
Crippa, Gianluca   +6 more
core   +1 more source

Existence and Uniqueness Results for Reaction-diffusion Processes of Electrically Charged Species

open access: yes, 2021
We study initial-boundary value problems for elliptic-parabolic systems of nonlinear partial differential equations describing drift-diffusion- reaction processes of electrically charged species in N-dimensional bounded Lipschitzian domains.
Gajewski, Herbert   +3 more
core   +1 more source

Existence and Uniqueness Study of the Conformable Laplace Transform

open access: yesJournal of Mathematics, 2022
This paper tackles the topic of conformable Laplace transform. The authors aim at discussing its existence by exploring and providing the kind of functions that possess a conformable Laplace transform.
Jihad Younis   +4 more
doaj   +1 more source

Codes and designs—existence and uniqueness

open access: yesDiscrete Mathematics, 1991
This is a well written general survey concerning the usefulness of coding theory in proving existence and uniqueness results in design theory. The scope of the paper is limited, dealing significantly with only two examples. The coding theory aspects of the work of C. Lam, et. al. on the non-existence of a projective plane of order 10 is outlined.
openaire   +1 more source

Tangents to subsolutions: existence and uniqueness, Part I [PDF]

open access: yesAnnales de la Faculté des sciences de Toulouse : Mathématiques, 2017
There is an interesting potential theory associated to each degenerate elliptic, fully nonlinear equation f ( D 2 u
Harvey, F. Reese, Lawson, H. Blaine
openaire   +5 more sources

Stochastic Stability Analysis for Neutral Systems with Hadamard Fractional Derivatives

open access: yesAxioms
This work investigates stability under Hyers–Ulam criteria for a class of Hadamard Neutral fractional stochastic differential equations (HNFSDE). The analysis applies a fixed-point theorem (FPT) combined with principles of stochastic integration.
Sahar Mohammad A. Abusalim   +2 more
doaj   +1 more source

Existence and Uniqueness of Ordinal Nash Outcomes [PDF]

open access: yesJournal of Economic Theory, 2000
The authors study the problem -- the extent to which the ordinal Nash solution is well defined. They suggest a solution to this problem by identifying necessary and sufficient conditions for the ordinal Nash outcomes. Then they present necessary and sufficient conditions for the existence of a unique ordinal Nash outcome.
Eran Hanany, Zvi Safra
openaire   +3 more sources

The existence and uniqueness of monotone pure strategy equilibrium in Bayesian games

open access: yes, 2007
This paper provides a sufficient condition for existence and uniqueness of equilibrium, which is in monotone pure strategies, in games of incomplete information.
Valentinyi, Ákos, Mason, Robin
core   +2 more sources

Existence and Uniqueness of Solutions for Impulsive Stochastic Differential Variational Inequalities with Applications

open access: yesAxioms
This paper focuses on exploring an impulsive stochastic differential variational inequality (ISDVI), which combines an impulsive stochastic differential equation and a stochastic variational inequality. Innovatively, our work incorporates two key aspects:
Wei Liu, Kui Liu
doaj   +1 more source

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld   +5 more
wiley   +1 more source

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