Results 211 to 220 of about 1,629 (250)

Fractional differential quadrature method for modeling composite halide perovskite solar cells. [PDF]

Sci Rep
Almetwally EM, Ragb O, Salah M, Salah M, Mohamed M.   +4 more
europepmc   +1 more source

A conjecture of Warnaar-Zudilin from deformations of lie superalgebras. [PDF]

Res Math Sci
Creutzig T, Garner N.
europepmc   +1 more source

New Equating Methods and Their Relationships with Levine Observed Score Linear Equating Under the Kernel Equating Framework

Psychometrika, 2010
NEAT design, curvilinear Levine observed score equating (CLOSE), Levine observed score linear equating (LOSLE), Tucker linear equating (TLE), kernel equating (KE), Mean preserving linear transformation (MPLT), Post-stratification equating (PSE),
Paul Holland
exaly   +2 more sources

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Kernels, regularization and differential equations

Pattern Recognition, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Florian Steinke, Bernhard Schölkopf
openaire   +3 more sources

Kernel Equating Using Propensity Scores for Nonequivalent Groups [PDF]

Journal of Educational and Behavioral Statistics, 2019
When equating two test forms, the equated scores will be biased if the test groups differ in ability. To adjust for the ability imbalance between nonequivalent groups, a set of common items is often used.
Gabriel Wallin, Marie Wiberg
exaly   +2 more sources

On the Solvability of the Peridynamic Equation with a Singular Kernel

Differential Equations, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Alimov, Sh. A., Yuldasheva, A. V.
openaire   +2 more sources

A Volterra Equation with a Nonconvolution Kernel

SIAM Journal on Mathematical Analysis, 1977
This paper is concerned with the asymptotic behavior of solutions of the Volterra integral equation \[x(t) + \int_0^t {a(t,\tau )g(x(\tau ))d\tau = f(t)} ,\quad 0 \leqq t < \infty \] If $x(t)$ is a solution of this equation, the limiting values of $g(x(t))$ are given under various sets of hypotheses on the kernel $a(t,\tau )$ and the functions $g(t ...
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Equations with a difference kernel on a system of intervals

Journal of Soviet Mathematics, 1990
The author gives sufficient conditions for the existence of a solution of the integral equation in the space \(L^ p_ n(0,w)\) \[ (1)\quad d/dx\int^{w}_{0}S(x,t)y(t)dt=g(x), \] where \(w>0\), S(x,t) is an \(n\times n\)-matrix of the form \([K_{i,j}(w_ ix-w_ jt)]^ n_{i,j=1}\), where \(K_{i,j}\in L^ q(-w_ jw,w_ iw)\), \(w_ k>0\), \(1/p+1/q=1\).
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Associated differential equations and their bergman kernels

Complex Variables, Theory and Application: An International Journal, 1983
To each formally-hyperbolic differential equation one can associate a differential equation of the same type by means of a suitable differential operator S of first order. A necessary and sufficient condition for such an operator is derived. For special cases an explicit characterisation of S is possible. Finally we obtain a construction method for the
openaire   +2 more sources