Results 101 to 110 of about 33,296 (252)

Where Does the Tail Start? Inflection Points and Maximum Curvature as Boundaries

open access: yesStat, Volume 14, Issue 3, September 2025.
ABSTRACT Understanding the tail behaviour of distributions is crucial in statistical theory. For instance, the tail of a distribution plays a ubiquitous role in extreme value statistics, where it is associated with the likelihood of extreme events. There are several ways to characterize the tail of a distribution based on how the tail function, F¯(x)=P(
Rafael Cabral   +2 more
wiley   +1 more source

A unifying class of compound Poisson integer‐valued ARMA and GARCH models

open access: yesScandinavian Journal of Statistics, Volume 52, Issue 3, Page 1176-1205, September 2025.
Abstract INAR (integer‐valued autoregressive) and INGARCH (integer‐valued GARCH) models are among the most commonly employed approaches for count time series modeling, but have been studied in largely distinct strands of literature. In this paper, a new class of generalized integer‐valued ARMA (GINARMA) models is introduced which unifies a large number
Johannes Bracher, Barbora Němcová
wiley   +1 more source

Holomorphic Hermite polynomials in two variables

open access: yes, 2018
Generalizations of the Hermite polynomials to many variables and/or to the complex domain have been located in mathematical and physical literature for some decades.
Górska, K.   +2 more
core  

Hermite and Gegenbauer polynomials in superspace using Clifford analysis

open access: yes, 2007
The Clifford-Hermite and the Clifford-Gegenbauer polynomials of standard Clifford analysis are generalized to the new framework of Clifford analysis in superspace in a merely symbolic way.
Bartocci C   +15 more
core   +2 more sources

The combinatorics of associated Hermite polynomials

open access: yesEuropean Journal of Combinatorics, 2009
[v1]: 18 pages, 16 figures; presented at FPSAC 2007 [v2]: Some minor errors fixed (thanks Bill Chen, Jang Soo Kim) and text rearranged and cleaned up; no real content changes [v3]: fixed typos, to appear in European J ...
openaire   +3 more sources

Heisenberg‐smooth operators from the phase‐space perspective

open access: yesMathematische Nachrichten, Volume 298, Issue 8, Page 2845-2866, August 2025.
Abstract Cordes' characterization of Heisenberg‐smooth operators bridges a gap between the theory of pseudo‐differential operators and quantum harmonic analysis (QHA). We give a new proof of the result by using the phase‐space formalism of QHA. Our argument is flexible enough to generalize Cordes' result in several directions: (1) we can admit general ...
Robert Fulsche, Lauritz van Luijk
wiley   +1 more source

Some Identities on Bernoulli and Hermite Polynomials Associated with Jacobi Polynomials

open access: yesDiscrete Dynamics in Nature and Society, 2012
We investigate some identities on the Bernoulli and the Hermite polynomials arising from the orthogonality of Jacobi polynomials in the inner product space Pn.
Taekyun Kim   +2 more
doaj   +1 more source

Solvent and Ion‐Mediated Behavior of a Thermoresponsive Brush: Specific Ion Effects in Methanol‐Water Electrolytes

open access: yesMacromolecular Rapid Communications, Volume 46, Issue 16, August 18, 2025.
The manifestation of specific ion effects in methanol‐water mixtures on polymer brush exemplars is explored. Spectroscopic ellipsometry and neutron reflectometry revealed solvent‐driven LCST changes in a thermoresponsive brush, which is also readily influenced by the presence of electrolytes.
Hayden Robertson   +6 more
wiley   +1 more source

Painleve IV and degenerate Gaussian Unitary Ensembles

open access: yes, 2006
We consider those Gaussian Unitary Ensembles where the eigenvalues have prescribed multiplicities, and obtain joint probability density for the eigenvalues.
An J Wang Z Yan K   +21 more
core   +1 more source

Indo‐Pacific Deep Water Pathways and Transports in the South Australian Basin

open access: yesJournal of Geophysical Research: Oceans, Volume 130, Issue 8, August 2025.
Abstract A key component of the ocean's global overturning circulation is the return of deep water from the Indian and Pacific Oceans to the Southern Ocean transporting heat, carbon, and nutrients poleward and toward the ocean surface. Indian Deep Water (IDW) and Pacific Deep Water (PDW) traverse the South Australian basin as they bring high‐carbon ...
S. Shapiro, L. D. Talley, S. G. Purkey
wiley   +1 more source

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