Results 11 to 20 of about 1,609 (94)

Dunkl kernel associated with dihedral group

open access: yesJournal of Mathematical Analysis and Applications, 2015
In this paper, we pursue the investigations started in \cite{Mas-You} where the authors provide a construction of the Dunkl intertwining operator for a large subset of the set of regular multiplicity values. More precisely, we make concrete the action of
Deleaval, Luc   +2 more
core   +5 more sources

Sonine Transform Associated to the Dunkl Kernel on the Real Line [PDF]

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2008
We consider the Dunkl intertwining operator V_α and its dual ^tV_α, we define and study the Dunkl Sonine operator and its dual on R. Next, we introduce complex powers of the Dunkl Laplacian Δ_α and establish inversion formulas for the Dunkl Sonine ...
Fethi Soltani
doaj   +5 more sources

A positive radial product formula for the Dunkl kernel [PDF]

open access: yesTransactions of the American Mathematical Society, 2002
It is an open conjecture that generalized Bessel functions associated with root systems have a positive product formula for non-negative multiplicity parameters of the associated Dunkl operators. In this paper, a partial result towards this conjecture is
Rösler, Margit
core   +5 more sources

Potential kernels for radial Dunkl Laplacians [PDF]

open access: yesCanadian Journal of Mathematics, 2021
AbstractWe derive two-sided bounds for the Newton and Poisson kernels of the W-invariant Dunkl Laplacian in the geometric complex case when the multiplicity $k(\alpha )=1$ i.e., for flat complex symmetric spaces. For the invariant Dunkl–Poisson kernel $P^{W}(x,y)$ , the estimates are $$ \begin{align*} P^{W}(x,y)\asymp \frac{P^{\mathbf{R}^{d}}(x,y)}{
Graczyk, P., Luks, T., Sawyer, P.
openaire   +3 more sources

Remarks on Dunkl Translations of Non-radial Kernels

open access: yesJournal of Fourier Analysis and Applications, 2023
AbstractOn $$ {\mathbb {R}}^N$$ R N equipped with a root system R and a multiplicity function $$k>0$$ k > 0
Jacek Dziubański, Agnieszka Hejna
openaire   +3 more sources

Jacobi–Dunkl summation kernels

open access: yesIndian Journal of Pure and Applied Mathematics, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

The Zircon Story of the Niger River: Time‐Structure Maps of the West African Craton and Discontinuous Propagation of Provenance Signals Across a Disconnected Sediment‐Routing System

open access: yesJournal of Geophysical Research: Earth Surface, Volume 128, Issue 11, November 2023., 2023
Abstract The Niger River drains a large part of the West African Craton, where rocks ranging in age from Paleoarchean to recent offer an unexcelled opportunity to map the diverse time structures of sediment sources and provide essential information for provenance diagnoses.
Guido Pastore   +6 more
wiley   +1 more source

Freezing limits for Calogero–Moser–Sutherland particle models

open access: yesStudies in Applied Mathematics, Volume 151, Issue 4, Page 1230-1281, November 2023., 2023
Abstract One‐dimensional interacting particle models of Calogero–Moser–Sutherland type with N particles can be regarded as diffusion processes on suitable subsets of RN$\mathbb {R}^N$ like Weyl chambers and alcoves with second‐order differential operators as generators of the transition semigroups, where these operators are singular on the boundaries ...
Michael Voit
wiley   +1 more source

Detrital Garnet Geochronology by In Situ U‐Pb and Lu‐Hf Analysis: A Case Study From the European Alps

open access: yesJournal of Geophysical Research: Earth Surface, Volume 128, Issue 9, September 2023., 2023
Abstract Detrital geochronology employing the widely‐used zircon U‐Pb proxy is biased toward igneous events and metamorphic anatexis; additionally, zircon is highly refractory and frequently polycyclic. Garnet, a rock‐forming and thus commonly occurring mineral, is predominantly metamorphic and much less refractory.
Chris Mark   +8 more
wiley   +1 more source

Upper and lower bounds for the Dunkl heat kernel

open access: yesCalculus of Variations and Partial Differential Equations, 2022
AbstractOn $$\mathbb R^N$$ R N equipped with a normalized root system R, a multiplicity function $$k(\alpha ) > 0$$ k ( α ) >
Dziubański, Jacek, Hejna, Agnieszka
openaire   +2 more sources

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