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We derive new explicit expressions for the components of Moore-Penrose inverses of symmetric difference matrices. These generalized inverses are applied in a new regularization approach for scattered data interpolation based on partial…

Numerical Analysis · Mathematics 2016-10-03 Gerlind Plonka , Sebastian Hoffmann , Joachim Weickert

In this paper, the notion of generic transversality and its characterization are given. The characterization is also a further improvement of the basic transversality result and its strengthening which was given by John Mather.

Geometric Topology · Mathematics 2019-09-18 Shunsuke Ichiki

Numerous results on self-reciprocal polynomials over finite fields have been studied. In this paper we generalize some of these to a-self reciprocal polynomials defined in [4]. We consider some properties of the divisibility of a-reciprocal…

Number Theory · Mathematics 2014-07-02 Ryul Kim , Ok-Hyon Song , Hyon-Chol Ri

Fully symmetric learning rules for principal component analysis can be derived from a novel objective function suggested in our previous work. We observed that these learning rules suffer from slow convergence for covariance matrices where…

Machine Learning · Statistics 2020-07-21 Ralf Möller

This paper establishes the equivalence of the Aubin property and the strong regularity for generalized equations over $C^2$-cone reducible sets. This result resolves a long-standing question in variational analysis and extends the…

Optimization and Control · Mathematics 2025-10-14 Jiaming Ma , Defeng Sun

The Tutte polynomial and Derksen's $\mathcal{G}$-invariant are the universal deletion-contraction and valuative matroid and polymatroid invariants, respectively. There are only a handful of well known invariants (like the matroid…

Combinatorics · Mathematics 2025-05-16 Max Wakefield

In this paper, we investigate the Moore-Penrose inversion of a simple connected graph. We analyze qualitative, statistical, and extreme properties of spectral indices of signable pseudo-invertible graphs. We introduce and analyze a wide…

Combinatorics · Mathematics 2024-03-11 Sona Pavlikova , Daniel Sevcovic

We show that, on a standard non-atomic probability space, invertible measure-preserving transformations form a dense $G_\delta$ subset of the space of all measure-preserving transformations endowed with the strong (=weak) operator topology.…

Dynamical Systems · Mathematics 2026-05-11 Tanja Eisner

In two recent articles we have examined a generalization of the binomial distribution associated with a sequence of positive numbers, involving asymmetric expressions of probabilities that break the symmetry {\it win-loss}. We present in…

Mathematical Physics · Physics 2015-06-17 H. Bergeron , E. M. F. Curado , J. P. Gazeau , Ligia M. C. S. Rodrigues

A theorem of Hunter ensures that the complete homogeneous symmetric polynomials of even degree are positive definite functions. A probabilistic interpretation of Hunter's theorem suggests a broad generalization: the construction of…

Functional Analysis · Mathematics 2024-03-18 Ludovick Bouthat , Ángel Chávez , Stephan Ramon Garcia

In this paper, we investigate the geometric invariant properties of a normal curve on a smooth immersed surface under conformal transformation. We obtain an invariant-sufficient condition for the conformal image of a normal curve. We also…

General Mathematics · Mathematics 2019-08-12 Mohamd Saleem Lone

This paper introduces new classes of generalized inverses for square matrices named GD1, and the dual, called 1GD inverse. In addition, we discuss a few characterizations and representations of these inverses. The explicit expressions of…

Numerical Analysis · Mathematics 2024-02-16 G. Maharanaa , J. K. Sahooa , Nestor Thome

The notion of a Moore-Penrose inverse (M-P inverse) was introduced by Moore in 1920 and rediscovered by Penrose in 1955. The M-P inverse of a complex matrix is a special type of inverse which is unique, always exists, and can be computed…

Logic in Computer Science · Computer Science 2023-09-01 Robin Cockett , Jean-Simon Pacaud Lemay

We demonstrate that the Penrose inequality is valid for spherically symmetric geometries even when the horizon is immersed in matter. The matter field need not be at rest. The only restriction is that the source satisfies the weak energy…

General Relativity and Quantum Cosmology · Physics 2009-10-22 Edward Malec , Niall Ó Murchadha

Isospectral transformations (IT) of matrices and networks allow for compression of either object while keeping all the information about their eigenvalues and eigenvectors.We analyze here what happens to generalized eigenvectors under…

Dynamical Systems · Mathematics 2018-04-02 Leonid Bunimovich , Longmei Shu

A simple and algorithmic description of matrix shape invariant potentials is presented. The complete lists of generic matrix superpotentials of dimension $2\times2$ and of special superpotentials of dimension $3\times3$ are given…

Mathematical Physics · Physics 2012-01-25 Anatoly G. Nikitin , Yuri Karadzhov

It is shown that four-dimensional generalized symmetric spaces can be naturally equipped with some additional structures defined by means of their curvature operators. As an application, those structures are used to characterize generalized…

Differential Geometry · Mathematics 2013-08-30 E. Calviño-Louzao , E. García-Río , M. E. Vázquez-Abal , R. Vázquez-Lorenzo

In this paper we investigate the shape invariance property of a potential in one dimension. We show that a simple ansatz allows us to reconstruct all the known shape invariant potentials in one dimension. This ansatz can be easily extended…

Quantum Physics · Physics 2014-12-17 R. Sandhya , S. Sree Ranjani , A. K. Kapoor

Miller-Paris transformations are extensions of Euler's transformations for the Gauss hypergeometric functions to generalized hypergeometric functions of higher-order having integral parameter differences (IPD). In our recent work we…

Classical Analysis and ODEs · Mathematics 2019-02-14 D. B. Karp , E. G. Prilepkina

This paper presents in detail the generalized pignistic transformation (GPT) succinctly developed in the Dezert-Smarandache Theory (DSmT) framework as a tool for decision process. The GPT allows to provide a subjective probability measure…

Artificial Intelligence · Computer Science 2007-05-23 Jean Dezert , Florentin Smarandache , Milan Daniel