Results 81 to 90 of about 11,357 (198)

The linear $\protect \mathfrak{n}(1|N)$–invariant differential operators and $\protect \mathfrak{n}(1|N)$–relative cohomology

open access: yesComptes Rendus. Mathématique, 2020
Over the $(1,N)$-dimensional supercircle $S^{1|N}$, we classify $\mathfrak{n}(1|N)$-invariant linear differential operators acting on the superspaces of weighted densities on $S^{1|N}$, where $\mathfrak{n}(1|N)$ is the Heisenberg Lie superalgebra.
Khalfoun, Hafedh, Laraiedh, Ismail
doaj   +1 more source

A New Study on the Minimum Time of Null Controllability for the Fractional Heat Equation in One Dimension by the Action of a Strategic Zone Profile

open access: yesJournal of Mathematics, Volume 2024, Issue 1, 2024.
The goal of this paper project is to find a minimum time null controllability of the fractional heat equation in one dimension using the notion of strategic zone actuators. As part of our research activities, we had already addressed this theme, and this publication project is a logical continuation in the fractional case.
Cheikh Seck   +3 more
wiley   +1 more source

A Canonical Trace Associated with Certain Spectral Triples

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2010
In the abstract pseudodifferential setup of Connes and Moscovici, we prove a general formula for the discrepancies of zeta-regularised traces associated with certain spectral triples, and we introduce a canonical trace on operators, whose order lies ...
Sylvie Paycha
doaj   +1 more source

Two Kinds of Darboux-Bäcklund Transformations for the q-Deformed KdV Hierarchy with Self-Consistent Sources

open access: yesAdvances in Mathematical Physics, 2016
Two kinds of Darboux-Bäcklund transformations (DBTs) are constructed for the q-deformed Nth KdV hierarchy with self-consistent sources (q-NKdVHSCS) by using the q-deformed pseudodifferential operators.
Hongxia Wu   +3 more
doaj   +1 more source

Sufficient conditions of local solvability for partial differential operators on spaces of Colombeau type

open access: yesElectronic Journal of Differential Equations, 2009
We provide sufficient conditions of local solvability for partial differential operators with variable Colombeau coefficients. We mainly concentrate on operators which admit a right generalized pseudodifferential parametrix and on operators which are ...
Claudia Garetto
doaj  

NONCLASSICAL SPECTRAL ASYMPTOTICS AND DIXMIER TRACES: FROM CIRCLES TO CONTACT MANIFOLDS

open access: yesForum of Mathematics, Sigma, 2017
We consider the spectral behavior and noncommutative geometry of commutators $[P,f]$ , where ...
HEIKO GIMPERLEIN, MAGNUS GOFFENG
doaj   +1 more source

On Some Degenerate Pseudodifferential Operators

open access: yesDoklady Mathematics, 2019
In this paper, a new class of degenerate pseudo-differential operators is investigated, with a variable symbol depending on the complex parameter. Pseudodifferential operators are constructed by a special integral transform. Theorems on the composition and boundedness of these operators in special weighted spaces are proved.
Baev, A. D.   +2 more
openaire   +2 more sources

Relativistic wave equations with fractional derivatives and pseudodifferential operators

open access: yesJournal of Applied Mathematics, 2002
We study the class of the free relativistic covariant equations generated by the fractional powers of the d′Alembertian operator (□1/n). The equations corresponding to n=1 and 2 (Klein-Gordon and Dirac equations) are local in their nature, but the ...
Petr Závada
doaj   +1 more source

Weighted trace cochains; a geometric setup for anomalies

open access: yes, 2005
We extend formulae which measure discrepancies for regularized traces on classical pseudodifferential operators to regularized trace cochains, regularized traces corresponding to 0-regularized trace cochains.
Paycha, Sylvie
core   +1 more source

On the nuclear trace of Fourier integral operators

open access: yesRevista Integración, 2019
In this paper we characterise the r-nuclearity of Fourier integral operators on Lebesgue spaces. Fourier integral operators will be considered in Rn, the discrete group Zn, the n-dimensional torus and symmetric spaces (compact homogeneous manifolds).
Duván Cardona
doaj  

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