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On the one hand the Fermi-Dirac and Bose-Einstein functions have been extended in such a way that they are closely related to the Riemann and other zeta functions. On the other hand the Fourier transform representation of the gamma and…

Mathematical Physics · Physics 2011-04-25 Asifa Tassaddiq , Asghar Qadir

We put together the ingredients for an efficient operator calculus based on Krawtchouk polynomials, including Krawtchouk transforms and corresponding convolution structure which provide an inherently discrete alternative to Fourier…

Functional Analysis · Mathematics 2014-09-17 Philip Feinsilver , René Schott

In this paper we present an incremental variant of the Twin Support Vector Machine (TWSVM) called Fuzzy Bounded Twin Support Vector Machine (FBTWSVM) to deal with large datasets and learning from data streams. We combine the TWSVM with a…

Machine Learning · Computer Science 2020-03-24 Alexandre Reeberg de Mello , Marcelo Ricardo Stemmer , Alessandro Lameiras Koerich

This paper introduces the extended set difference, a generalization of the Hukuhara and generalized Hukuhara differences, defined for compact convex sets in $\mathbb{R}^d$. The proposed difference guarantees existence for any pair of such…

Optimization and Control · Mathematics 2025-10-01 Arie Beresteanu , Behrooz Moosavi Ramezanzadeh

Cosmological correlators are fundamental observables in an expanding universe and are highly non-trivial functions even at tree-level. In this work, we uncover novel structures in the space of such tree-level correlators that enable us to…

High Energy Physics - Theory · Physics 2025-03-11 Thomas W. Grimm , Arno Hoefnagels , Mick van Vliet

Fuzzy Cognitive Maps (FCMs) is a complex systems modeling technique which, due to its unique advantages, has lately risen in popularity. They are based on graphs that represent the causal relationships among the parameters of the system to…

Neural and Evolutionary Computing · Computer Science 2021-02-02 Stefanos Tsimenidis

Orientational expansions, which are widely used in the natural sciences, exist in angular and Cartesian form. Although these expansions are orderwise equivalent, it is difficult to relate them in practice. In this article, both types of…

Mathematical Physics · Physics 2020-05-26 Michael te Vrugt , Raphael Wittkowski

In this paper, we construct certain analogues of the Arakawa-Kaneko zeta functions. We prove functional relations between these functions and the Mordell-Tornheim multiple zeta functions. Furthermore we give some formulas among…

Number Theory · Mathematics 2016-03-15 Takuma Ito

In this paper, we study different cryptographically significant spectra of Boolean functions, including the Walsh-Hadamard, cross-correlation, and autocorrelation. The $2^k$-variation by Stanica [IEEE-IT 2016] is considered here with the…

Quantum Physics · Physics 2025-07-11 Suman Dutta , Subhamoy Maitra , Pantelimon Stanica

Correlation functions of the XXZ model in the massive and massless regimes are known to satisfy a system of linear equations. The main relations among them are the difference equations obtained from the qKZ equation by specializing the…

High Energy Physics - Theory · Physics 2015-06-26 H. Boos , M. Jimbo , T. Miwa , F. Smirnov , Y. Takeyama

In this paper we consider how to use the convolution method to construct approximations, which consist of fuzzy numbers sequences with good properties, for a general fuzzy number. It shows that this convolution method can generate…

General Mathematics · Mathematics 2016-01-25 Huan Huang , Congxin Wu

The Kato's decomposition \cite[Theorem 4]{kato} is generalized to semi-B-Fredholm operators.

Functional Analysis · Mathematics 2021-12-21 Zakariae Aznay , Abdelmalek Ouahab , Hassan Zariouh

Modern processors deliver higher throughput for lower-precision arithmetic than for higher-precision arithmetic. For matrix multiplication, the Ozaki scheme exploits this performance gap by splitting the inputs into lower-precision…

Mathematical Software · Computer Science 2026-04-01 Shota Kawakami , Daisuke Takahashi

A variety of "pseudo-Voigt" functions, i.e. a linear combination of the Lorentz and Gauss function (occasionally augmented with a correction term), have been proposed as a closed-form approximation for the convolution of the Lorentz and…

Computational Physics · Physics 2020-10-21 Franz Schreier

Dorff et al. [4], proved that the harmonic convolution of right half-plane mapping with dilatation -z and mapping f_\beta = h_\beta + \bar{g}_\beta, where f_\beta is obtained by shearing of analytic vertical strip mapping, with dilatation…

Complex Variables · Mathematics 2013-06-25 Raj Kumar , Sushma Gupta , Sukhjit Singh , Michael Dorff

We interpret the additive middle convolution operation in terms of the Harnad duality, and as an application, generalize the operation to have a multi-parameter and act on irregular singular systems.

Classical Analysis and ODEs · Mathematics 2010-08-18 Daisuke Yamakawa

The study of cosmological correlators, and more generally Feynman integrals, is greatly aided by considering them as solutions to differential equations. Often, such systems of differential equations are reducible, which, broadly speaking,…

High Energy Physics - Theory · Physics 2025-12-24 Arno Hoefnagels

This paper uses the machinery of almost periodic functions to prove that even without uniform convergence the connection between a pair of almost periodic functions and the constants of the associated Fourier series exists for both the…

Number Theory · Mathematics 2015-07-29 John Washburn

Fuzzy systems have achieved great success in numerous applications. However, there are still many challenges in designing an optimal fuzzy system, e.g., how to efficiently optimize its parameters, how to balance the trade-off between…

Machine Learning · Computer Science 2019-07-16 Dongrui Wu , Chin-Teng Lin , Jian Huang , Zhigang Zeng

In this paper, we expand the theory of Weierstrassian elliptic functions by introducing auxiliary zeta functions $\zeta_\lambda$, zeta differences of first kind $\Delta_\lambda$ and second kind $\Delta_{\lambda,\mu}$ where…

Complex Variables · Mathematics 2025-12-29 Efe Gürel