Results 11 to 20 of about 47 (35)

Microlocal and Time-Frequency Analysis [PDF]

open access: yes, 2022
The present volume collects the contributions selected for publication in the Special Issue entitled "Microlocal and Time-Frequency Analysis" of the journal Mathematics, edited by Elena Cordero and S.
Cordero, Elena   +3 more
core   +4 more sources

Computation and Physics in Algebraic Geometry [PDF]

open access: yes, 2023
Physics provides new, tantalizing problems that we solve by developing and implementing innovative and effective geometric tools in nonlinear algebra.
Fevola, Claudia
core   +1 more source

The Development of Intersection Homology Theory

open access: yes, 2006
This historical introduction is in two parts. The first is reprinted with permission from ``A century of mathematics in America, Part II,'' Hist. Math., 2, Amer. Math. Soc., 1989, pp.543-585. Virtually no change has been made to the original text.
Kleiman, Steven L.
core   +4 more sources

Applied microlocal analysis of deep neural networks for inverse problems [PDF]

open access: yes, 2022
Deep neural networks have recently shown state-of-the-art performance in different imaging tasks. As an example, EfficientNet is today the best image classifier on the ImageNet challenge. They are also very powerful for image reconstruction, for example,
Andrade Loarca, Héctor
core  

Initial Value Representations [PDF]

open access: yes, 2008
The time-dependent Schrödinger-equation is universally acknowledged as the fundamental equation of non-relativistic quantum dynamics. Its solution is a complex-valued, square-integrable function on the configuration-space of the system, whose dimension ...
Swart, Torben Christian
core   +1 more source

Conic singularities, generalized scattering matrix, and inverse scattering on asymptotically hyperbolic surfaces [PDF]

open access: yes, 2014
We consider an inverse problem associated with some 2-dimensional non-compact surfaces with conical singularities, cusps and regular ends. Our motivating example is a Riemann surface ℳ = Γ∖ℍ2 associated with a Fuchsian group of the first kind Γ ...
Isozaki, H, Kurylev, Y, Lassas, M
core  

From 2-d Polyakov Action to the 4-d Pseudo-Conformal Field Theory

open access: yes, 2020
The characteristic property of the 2-d Polyakov action is its independence on the metric tensor, without being topological. A renormalizable 4-d action is found with this fundamental property.
Ragiadakos, C. N.
core  

Group invariance of global generalized solutions of nonlinear PDEs in Colombeau algebras and in the Dedekind order completion method [PDF]

open access: yes, 1993
Thesis (PhD )--University of Pretoria, 1993.In this thesis a theoretical framework is provided within which large classes of nonlinear Lie groups of transformations are defined on spaces of generalized functions which yield global generalized solutions ...

core  

Applications of microlocal analysis to some hyperbolic inverse problems [PDF]

open access: yes, 2015
This thesis compiles my work on three inverse problems: ultrasound recovery in thermoacoustic tomography, cancellation of singularities in synthetic aperture radar, and the injectivity and stability of some generalized Radon transforms.
Homan, Andrew J
core   +1 more source

MS FT-2-2 7 Orthogonal polynomials and quadrature: Theory, computation, and applications [PDF]

open access: yes, 2019
Quadrature rules find many applications in science and engineering. Their analysis is a classical area of applied mathematics and continues to attract considerable attention.
Pranić, Miroslav   +2 more
core  

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