Results 31 to 40 of about 3,475 (246)
Weyl asymptotics for perturbations of Morse potential and connections to the Riemann zeta function
Concrete Operators, 2023 Let N(T;V)N\left(T;\hspace{0.33em}V) denote the number of eigenvalues of the Schrödinger operator −y″+Vy-{y}^{^{\prime\prime} }+Vy with absolute value less than TT. This article studies the Weyl asymptotics of perturbations of the Schrödinger operator −y″
Rahm Rob
doaj +1 more source
Axioms, 2019 Under some conditions, an asymptotic solution containing boundary functions was constructed in a paper by Vasil’eva and Butuzov (Differ. Uravn. 1970, 6(4), 650−664 (in Russian); English transl.: Differential Equations 1971, 6, 499−510 ...
Galina Kurina
doaj +1 more source
Eigenvalues asymptotics for Stark operators [PDF]
E-Journal of Analysis and Applied Mathematics, 2019 We give the eigenvalues asymptotics for the Stark operator of the form $\displaystyle-\Delta+Fx$, $F>0$ on $\displaystyle\mathrm{L}^2([0,d])$. This is given in the case when $F$ is small enough or sufficiently large.
Hatem Najar, Monia Raissi
doaj +1 more source
The Cauchy problem for singularly perturbed higher-order integro-differential equations
Вестник КазНУ. Серия математика, механика, информатика, 2019 The article is devoted to research the Cauchy problem for singularly perturbed higher-order linear integro-differential equation with a small parameter at the highest derivatives, provided that the roots of additional characteristic equation have ...
A. E. Mirzakulova +3 more
doaj +1 more source
Topology and its Applications, 2008 Added some remarks about coarse equivalence of finitely generated groups.
Mathematics +3 more
openaire +4 more sources
Molecular Oncology, EarlyView.To integrate multiple transcriptomics data with severe batch effects for identifying MB subtypes, we developed a novel and accurate computational method named RaMBat, which leveraged subtype‐specific gene expression ranking information instead of absolute gene expression levels to address batch effects of diverse data sources.
Mengtao Sun, Jieqiong Wang, Shibiao Wan
wiley +1 more source
A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems
International Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam +2 more
wiley +1 more source
Asymptotics of liquid velocity to the problem of fluid outflow from a rectangular duct
AIP AdvancesWe have constructed and analyzed the first-order asymptotics of liquid velocity for the two-dimensional steady problem of energy-conserving fluid outflow from a rectangular duct. These asymptotics are constructed using the first-order asymptotics for the
Vladimir V. Ostapenko
doaj +1 more source
International Journal of Adaptive Control and Signal Processing, EarlyView.This paper proposes two projector‐based Hopfield neural network (HNN) estimators for online, constrained parameter estimation under time‐varying data, additive disturbances, and slowly drifting physical parameters. The first is a constraint‐aware HNN that enforces linear equalities and inequalities (via slack neurons) and continuously tracks the ...
Miguel Pedro Silva
wiley +1 more source
The structure functions of 4He nucleus and their asymptotics [PDF]
Ядерна фізика та енергетика, 2011 Density distributions, pair correlation functions, momentum distributions and form factors of 4He nucleus are calculated. Long distance asymptotic behavior of density distributions and pair correlation functions is studied.
D. V. Piatnytskyi
doaj