Poincare Einstein Holography For Forms Via Conformal Geometry In The Bulk PDF Download
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Author | : A. Rod Gover |
Publisher | : American Mathematical Soc. |
Total Pages | : 108 |
Release | : 2015-04-09 |
Genre | : Mathematics |
ISBN | : 1470410923 |
Download Poincare-Einstein Holography for Forms via Conformal Geometry in the Bulk Book in PDF, ePub and Kindle
The authors study higher form Proca equations on Einstein manifolds with boundary data along conformal infinity. They solve these Laplace-type boundary problems formally, and to all orders, by constructing an operator which projects arbitrary forms to solutions. They also develop a product formula for solving these asymptotic problems in general. The central tools of their approach are (i) the conformal geometry of differential forms and the associated exterior tractor calculus, and (ii) a generalised notion of scale which encodes the connection between the underlying geometry and its boundary. The latter also controls the breaking of conformal invariance in a very strict way by coupling conformally invariant equations to the scale tractor associated with the generalised scale.
Author | : A. Rod Gover |
Publisher | : |
Total Pages | : 95 |
Release | : 2014 |
Genre | : Boundary value problems |
ISBN | : 9781470422240 |
Download Poincaŕe-Einstein Holography for Forms Via Conformal Geometry in the Bulk Book in PDF, ePub and Kindle
Author | : Thierry Daudé |
Publisher | : Cambridge University Press |
Total Pages | : 381 |
Release | : 2018-01-11 |
Genre | : Science |
ISBN | : 1108500781 |
Download Asymptotic Analysis in General Relativity Book in PDF, ePub and Kindle
This volume compiles notes from four mini courses given at the summer school on asymptotic analysis in general relativity, held at the Institut Fourier in Grenoble, France. It contains an up-to-date panorama of modern techniques in the asymptotic analysis of classical and quantum fields in general relativity. Accessible to graduate students, these notes gather results that were not previously available in textbooks or monographs and will be of wider interest to researchers in general relativity. The topics of these mini courses are: the geometry of black hole spacetimes; an introduction to quantum field theory on curved spacetimes; conformal geometry and tractor calculus; and microlocal analysis for wave propagation.
Author | : Matthias Fischmann |
Publisher | : American Mathematical Soc. |
Total Pages | : 112 |
Release | : 2021-06-18 |
Genre | : Education |
ISBN | : 1470443244 |
Download Conformal Symmetry Breaking Differential Operators on Differential Forms Book in PDF, ePub and Kindle
We study conformal symmetry breaking differential operators which map dif-ferential forms on Rn to differential forms on a codimension one subspace Rn−1. These operators are equivariant with respect to the conformal Lie algebra of the subspace Rn−1. They correspond to homomorphisms of generalized Verma mod-ules for so(n, 1) into generalized Verma modules for so(n+1, 1) both being induced from fundamental form representations of a parabolic subalgebra. We apply the F -method to derive explicit formulas for such homomorphisms. In particular, we find explicit formulas for the generators of the intertwining operators of the re-lated branching problems restricting generalized Verma modules for so(n +1, 1) to so(n, 1). As consequences, we derive closed formulas for all conformal symmetry breaking differential operators in terms of the first-order operators d, δ, d¯ and δ¯ and certain hypergeometric polynomials. A dominant role in these studies is played by two infinite sequences of symmetry breaking differential operators which depend on a complex parameter λ. Their values at special values of λ appear as factors in two systems of factorization identities which involve the Branson-Gover opera- tors of the Euclidean metrics on Rn and Rn−1 and the operators d, δ, d¯ and δ¯ as factors, respectively. Moreover, they naturally recover the gauge companion and Q-curvature operators of the Euclidean metric on the subspace Rn−1, respectively.
Author | : R. Bruggeman |
Publisher | : American Mathematical Soc. |
Total Pages | : 150 |
Release | : 2015-08-21 |
Genre | : Mathematics |
ISBN | : 1470414074 |
Download Period Functions for Maass Wave Forms and Cohomology Book in PDF, ePub and Kindle
The authors construct explicit isomorphisms between spaces of Maass wave forms and cohomology groups for discrete cofinite groups Γ⊂PSL2(R). In the case that Γ is the modular group PSL2(Z) this gives a cohomological framework for the results in Period functions for Maass wave forms. I, of J. Lewis and D. Zagier in Ann. Math. 153 (2001), 191-258, where a bijection was given between cuspidal Maass forms and period functions. The authors introduce the concepts of mixed parabolic cohomology group and semi-analytic vectors in principal series representation. This enables them to describe cohomology groups isomorphic to spaces of Maass cusp forms, spaces spanned by residues of Eisenstein series, and spaces of all Γ-invariant eigenfunctions of the Laplace operator. For spaces of Maass cusp forms the authors also describe isomorphisms to parabolic cohomology groups with smooth coefficients and standard cohomology groups with distribution coefficients. They use the latter correspondence to relate the Petersson scalar product to the cup product in cohomology.
Author | : Gaëtan Chenevier |
Publisher | : American Mathematical Soc. |
Total Pages | : 134 |
Release | : 2015-08-21 |
Genre | : Mathematics |
ISBN | : 147041094X |
Download Level One Algebraic Cusp Forms of Classical Groups of Small Rank Book in PDF, ePub and Kindle
The authors determine the number of level 1, polarized, algebraic regular, cuspidal automorphic representations of GLn over Q of any given infinitesimal character, for essentially all n≤8. For this, they compute the dimensions of spaces of level 1 automorphic forms for certain semisimple Z-forms of the compact groups SO7, SO8, SO9 (and G2) and determine Arthur's endoscopic partition of these spaces in all cases. They also give applications to the 121 even lattices of rank 25 and determinant 2 found by Borcherds, to level one self-dual automorphic representations of GLn with trivial infinitesimal character, and to vector valued Siegel modular forms of genus 3. A part of the authors' results are conditional to certain expected results in the theory of twisted endoscopy.
Author | : Timothy C. Burness, |
Publisher | : American Mathematical Soc. |
Total Pages | : 100 |
Release | : 2016-01-25 |
Genre | : Mathematics |
ISBN | : 1470414945 |
Download Irreducible Geometric Subgroups of Classical Algebraic Groups Book in PDF, ePub and Kindle
Let be a simple classical algebraic group over an algebraically closed field of characteristic with natural module . Let be a closed subgroup of and let be a non-trivial irreducible tensor-indecomposable -restricted rational -module such that the restriction of to is irreducible. In this paper the authors classify the triples of this form, where is a disconnected maximal positive-dimensional closed subgroup of preserving a natural geometric structure on .
Author | : Nicola Gigli |
Publisher | : American Mathematical Soc. |
Total Pages | : 104 |
Release | : 2015-06-26 |
Genre | : Mathematics |
ISBN | : 1470414201 |
Download On the Differential Structure of Metric Measure Spaces and Applications Book in PDF, ePub and Kindle
The main goals of this paper are: (i) To develop an abstract differential calculus on metric measure spaces by investigating the duality relations between differentials and gradients of Sobolev functions. This will be achieved without calling into play any sort of analysis in charts, our assumptions being: the metric space is complete and separable and the measure is Radon and non-negative. (ii) To employ these notions of calculus to provide, via integration by parts, a general definition of distributional Laplacian, thus giving a meaning to an expression like , where is a function and is a measure. (iii) To show that on spaces with Ricci curvature bounded from below and dimension bounded from above, the Laplacian of the distance function is always a measure and that this measure has the standard sharp comparison properties. This result requires an additional assumption on the space, which reduces to strict convexity of the norm in the case of smooth Finsler structures and is always satisfied on spaces with linear Laplacian, a situation which is analyzed in detail.
Author | : Pierre Bieliavsky |
Publisher | : American Mathematical Soc. |
Total Pages | : 166 |
Release | : 2015-06-26 |
Genre | : Mathematics |
ISBN | : 1470414910 |
Download Deformation Quantization for Actions of Kahlerian Lie Groups Book in PDF, ePub and Kindle
Let B be a Lie group admitting a left-invariant negatively curved Kählerian structure. Consider a strongly continuous action of B on a Fréchet algebra . Denote by the associated Fréchet algebra of smooth vectors for this action. In the Abelian case BR and isometric, Marc Rieffel proved that Weyl's operator symbol composition formula (the so called Moyal product) yields a deformation through Fréchet algebra structures R on . When is a -algebra, every deformed Fréchet algebra admits a compatible pre- -structure, hence yielding a deformation theory at the level of -algebras too. In this memoir, the authors prove both analogous statements for general negatively curved Kählerian groups. The construction relies on the one hand on combining a non-Abelian version of oscillatory integral on tempered Lie groups with geom,etrical objects coming from invariant WKB-quantization of solvable symplectic symmetric spaces, and, on the second hand, in establishing a non-Abelian version of the Calderón-Vaillancourt Theorem. In particular, the authors give an oscillating kernel formula for WKB-star products on symplectic symmetric spaces that fiber over an exponential Lie group.
Author | : Joonil Kim |
Publisher | : American Mathematical Soc. |
Total Pages | : 132 |
Release | : 2015-08-21 |
Genre | : Mathematics |
ISBN | : 147041435X |
Download Multiple Hilbert Transforms Associated with Polynomials Book in PDF, ePub and Kindle
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