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Gelfand

Gelfand is a surname meaning " elephant" in the Yiddish language and may refer to:

  • People:
    • Alan Gelfand, the inventor of the ollie, a skateboarding move
    • Boris Gelfand, a chess grandmaster
    • Israel Gelfand, a mathematician
    • Saul Gelfand, a professor of Electrical Engineering at Purdue University
    • Vladimir Gelfand, a Soviet-Jewish writer
  • Notions in mathematics (named after Israel Gelfand):
    • the Gelfand representation, in mathematics, allows a complete characterization of commutative C*-algebras as algebras of continuous complex-valued functions
    • the Gelfand–Naimark–Segal construction
    • the Gelfand–Naimark theorem
    • the Gelfand–Mazur theorem
    • a Gelfand pair, a pair (G,K) consisting of a locally compact unimodular group G and a compact subgroup K
    • a Gelfand triple, a construction designed to link the distribution (test function) and square-integrable aspects of functional analysis