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Название: Abstract Harmonic Analysis (Vol. 1)
Авторы: Hewitt E., Ross K.A.
Аннотация:
Abstract theory remains an indispensable foundation for the study of concrete cases. It shows what the general picture should look like and provides results that are useful again and again. Despite this, however, there are few, if any introductory texts that present a unified picture of the general abstract theory.A Course in Abstract Harmonic Analysis offers a concise, readable introduction to Fourier analysis on groups and unitary representation theory. After a brief review of the relevant parts of Banach algebra theory and spectral theory, the book proceeds to the basic facts about locally compact groups, Haar measure, and unitary representations, including the Gelfand-Raikov existence theorem. The author devotes two chapters to analysis on Abelian groups and compact groups, then explores induced representations, featuring the imprimitivity theorem and its applications. The book concludes with an informal discussion of some further aspects of the representation theory of non-compact, non-Abelian groups.
7 is compact29 is locally Euclidean29 -31 269 has approximate unit303 has no unit303 , commutative if and only if G is302 , ideals characterized303 , isomorphic with 272 -mesh13 -topology360 109416-417 , character group of402 , Haar measure on202 109 , automorphism group of434 , minimal divisible extension of419 -almost everywhere124 -measurable function125 -measurable set125 -null function124 -null set124 7 has inequivalent uniform structures28-29 is locally Euclidean29-31 , Haar measure on201209 , left invariant metric on78 (rational numbers)3 , character group of404414 (real line)3 is open continuous homomorph of totally disconnected group50 , automorphism group of433 , character group is R367 , compact connected topology for415 , continuous homomorphisms of370 , Haar measure on198 , invariant mean for 256 , invariant means for 240 , topologies in27 3 , automorphism group of434 , characterized104 , closed subgroups of92 (integers)3 , character group is T366 , invariant mean for 256 , nondiscrete topology for27 as convolution algebra265 , adjoint operation in299 , equivalent with M{G)269 119 , nonnegative linear functionals on120 , unbounded linear functionals on167 , isomorphic with 272 (see also 'M_a(G)$') 7 is compact29 is locally Euclidean29-31 7 has inequivalent uniform structures28-29 has no finite-dimensional unitary representations350 is locally Euclidean29-31 , homomorphisms into