The discrete group algebra of an algebraic group 
is 
, denoted 
, when 
is equipped with the discrete topology and its counting measure
is taken as a left invariant Haar measure on 
.
Discrete Group Algebra
See also
Discrete Group, Discrete Group TheoryThis entry contributed by Mohammad Sal Moslehian
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References
Bonsall, F. F. and Duncan, J. Complete Normed Algebras. New York: Springer-Verlag, 1973.Referenced on Wolfram|Alpha
Discrete Group AlgebraCite this as:
Weisstein, Eric W., with contributions by Mohammad Sal Moslehian. "Discrete Group Algebra." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/DiscreteGroupAlgebra.html