# Search results

Journal of Mathematical Analysis and Applications > 2015 > 427 > 1 > 377-398

Numerical Linear Algebra with Applications > 28 > 3 > n/a - n/a

Studies in Applied Mathematics > 146 > 2 > 463 - 497

Studies in Applied Mathematics > 146 > 1 > 118 - 138

*Math. Methods Appl Sci*. 2019;42:301‐321] where a second‐order partial differential equation (PDE) was deduced for the log derivative of the Hankel determinant by using the ladder operators adapted to orthogonal polynomials, we derive the coupled Painlevé IV system...

Mathematical Methods in the Applied Sciences > 44 > 1 > 493 - 516

Mathematical Methods in the Applied Sciences > 43 > 8 > 5295 - 5313

**I**Hierarchy and a high‐order differential‐difference equation, respectively...

Mathematische Nachrichten > 293 > 2 > 244 - 262

Mathematical Finance > 30 > 1 > 47 - 84

Computational and Applied Mathematics > 2020 > 39 > 1 > 1-16

Foundations of Computational Mathematics > 2019 > 19 > 6 > 1191-1221

Theoretical and Mathematical Physics > 2019 > 200 > 3 > 1348-1359

Computational Methods and Function Theory > 2019 > 19 > 4 > 547-582

*E*is an Euclidean ball, a simplex, or a sphere, $$\delta _E$$ δ E is Riemannian. No further examples of such property are known. We prove that in these three cases, the eigenfunctions of the Laplace Beltrami operator associated...

Demonstratio Mathematica > 2019 > Vol. 52, nr 1 > 256--273

Journal of Mathematical Sciences > 2019 > 242 > 3 > 393-412

*I*with 𝔏 and 𝔘 being lower and upper triangular two-diagonal block matrices of special forms. In this case, the shifted parameterless Darboux transformation of ℑ defined by ℑ

^{(p)}= 𝔘𝔏 + α

*I*is shown to be...

Mediterranean Journal of Mathematics > 2019 > 16 > 5 > 1-20

Constructive Approximation > 2019 > 50 > 1 > 167-207

Computational Methods and Function Theory > 2019 > 19 > 3 > 401-410

Mathematical Methods in the Applied Sciences > 42 > 9 > 3272 - 3288

*λ*

_{N}, of the Hankel (or moments) matrix denoted by ${H}_{N}={\left({\mu}_{m+n}\right)}_{0\le m,n\le N}$, with respect to the weight $w\left(x\right)={x}^{\alpha}{e}^{-{x}^{\beta}},\phantom{\rule{0ex}{0ex}}x\in [0,\infty ),\phantom{\rule{0ex}{0ex}}\alpha >-1,\phantom{\rule{0ex}{0ex}}\beta >\frac{1}{2}$. An asymptotic expression of the polynomials orthogonal with w(

*x*) is established. Using this, we obtain the specific asymptotic formulas of

*λ*

_{N}in this paper. Applying a parallel numerical algorithm, we get a variety...

Advances in Difference Equations > 2019 > 2019 > 1 > 1-15

Advances in Difference Equations > 2019 > 2019 > 1 > 1-11

*F*holomorphic on a neighborhood of some compact subset of the complex plane, we prove that if the zeros of the denominators of generalized Padé approximants (orthogonal Padé approximants and Padé–Faber approximants) for some row sequence remain uniformly bounded, then either

*F*is a polynomial or

*F*has a singularity in the complex plane. This result extends the known one for classical...