New PDF release: Analysis of Spherical Symmetries in Euclidean Spaces

By Claus Müller

ISBN-10: 1461205816

ISBN-13: 9781461205814

ISBN-10: 1461268273

ISBN-13: 9781461268277

This publication supplies a brand new and direct technique into the theories of specific features with emphasis on round symmetry in Euclidean areas of ar­ bitrary dimensions. crucial components may also be referred to as common end result of the selected concepts. The primary subject is the presentation of round harmonics in a idea of invariants of the orthogonal workforce. H. Weyl used to be one of many first to indicate that round harmonics needs to be greater than a lucky wager to simplify numerical computations in mathematical physics. His opinion arose from his profession with quan­ tum mechanics and was once supported by way of many physicists. those rules are the major subject matter all through this treatise. whilst R. Richberg and that i all started this venture we have been shocked, how effortless and chic the final conception should be. one of many highlights of this publication is the extension of the classical result of round harmonics into the complicated. this can be relatively vital for the complexification of the Funk-Hecke formulation, that is effectively used to introduce orthogonally invariant ideas of the decreased wave equation. The radial components of those options are both Bessel or Hankel services, which play a major position within the mathematical conception of acoustical and optical waves. those theories frequently require an in depth research of the asymptotic habit of the ideas. The awarded advent of Bessel and Hankel capabilities yields without delay the prime phrases of the asymptotics. Approximations of upper order could be deduced.

Show description

Read Online or Download Analysis of Spherical Symmetries in Euclidean Spaces PDF

Similar geometry books

Download e-book for iPad: Geometrie: Eine Einführung für Ingenieure und by Gert Bär

Die nach modernen hochschulpädagogischen und fachlichen Prinzipien aufgebaute Lehrbuchreihe "Mathematik für Ingenieure und Naturwissenschaftler" umfaßt den Soff in den Studienplänen vorgesehenen Lehrstoff für die Mathematikausbildung, bietet Möglichkeiten zur Vertiefung sowie Spezialisierung und ist darüber hinaus in der Weiterbildung einsetzbar.

Download e-book for iPad: Euclidean Geometry and its Subgeometries by Edward John Specht, Harold Trainer Jones, Keith G. Calkins,

During this monograph, the authors current a latest improvement of Euclidean geometry from self sufficient axioms, utilizing updated language and supplying precise proofs. The axioms for prevalence, betweenness, and airplane separation are on the subject of these of Hilbert. this can be the one axiomatic therapy of Euclidean geometry that makes use of axioms now not regarding metric notions and that explores congruence and isometries by way of mirrored image mappings.

Additional info for Analysis of Spherical Symmetries in Euclidean Spaces

Example text

Theorem 1: Each space Yn(q), q 2: 3, n 2: 0 is the orthogonal direct sum of the associated spaces Y;;'(q) Proof: First, we show that the associated spaces in Yn(q) are mutually orthogonal. For 0 :0:::; k,m :0:::; n, Yk(q - l;'),Ym (q -1;·) and the scalar products < , >(q) ; < , >(q-1) we have (§11. ) = < Yk, Ym >(q-1) 1 >(q) A~(q; t) A;;:(q;t)(l- t2)~dt Thus Y! 1 Y;;' for k -=I- m. Moreover A~ is a bijection of Yk (q - 1) onto y~(q). 9) u=O N(q,n)u n l+u (1 - U)q-1 l+u 1 (1 - U)q-2 1 - u §11 The Associated Spaces y~ (q) 57 Since we are dealing with two linear spaces of equal dimension N(q, n), the assertion is proved.

1(q,eq). 1(q, eq) and we may see Theorem 1 as the decomposition of Yn(q) into primitive subspaces of isotropical symmetry with the axis (-eq,eq). 1O) {A~(q; t)Ym,j(q - 1; e(q-1»)} m = 0, ... , n; j = 1, ... , N(q - 1, m) can be used to formulate the addition theorem explicitly. 11) e(q) 17(q) Seq + ~ 17(q-1) in the usual way. 13) N(q,n) 18q - 1 1 rn q, st + vI - s- v 1 - t- e(q-1) . 17(q-1) = L m=O N(q-1,m) A~(q, t)A~(q, s) L Ym,j (e(q-1»)Ym,j (17(q-1») j=l ~ N(q18- - 1,1m) Am( )Am( )P. ( n q, t n q, S n q q 2 = ~ 1; e(q-1) .

26) n II f - LlPk(q)f 112 = 0 k=O for continuous f. This is also an application of the Abel limit theorem, combined with the fact that the integral operator IPn(q) is self-adjoint. 27) is obvious for f,g E C(Sq-l). 28) < f,lPn(q)f > = = < f,IP~(q)f > < IPn(q)f,lPn(q)f > = IIlPn(q)f II~ and < IPk(q)f,lPn(q)f > = Okn IIlPk(q)f II~. (q)1 II,)' and we see that E;;:o (1IIPk(q)f 112)2 < know that the Poisson operator 00 exists. 26). 3) 1+ Isq- 3 1 ·ISQ- 21 -1 1 (t + is v'1=t2) n Pj(q - 1; s)(1 - s2)Y ds For q = 3 these integrals were introduced by Laplace as an extension of his integral representations [17].

Download PDF sample

Analysis of Spherical Symmetries in Euclidean Spaces by Claus Müller


by Michael
4.0

Rated 4.41 of 5 – based on 7 votes