On the hypergroup structure of central Λ(<i>p</i>) sets
On the hypergroup structure of central Λ(<i>p</i>) sets
anXrn(ϊi> ''' >7n e E and au '-,aneQ will be called a central .^-polynomial, and the set of all such functions will be denoted Z^~E. A set EaΓ is a central Sidon set when the norms || H*, and || |U(||/|U — ΣlαJ> where /— Σ^nXrJ are equivalent on z^Ei …