Gelfand

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

• Alan Gelfand, the inventor of the ollie, a skateboarding move
• Alan E. Gelfand, a statistician
• Boris Gelfand, a chess grandmaster
• Israel Gelfand, a mathematician,
• Mikhail Gelfand, a molecular biologist and bioinformacisist, a grandson of Israel Gelfand
• Vladimir Gelfand, a Soviet-Jewish writer

Named after Israel Gelfand:

• the Gelfand representation 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

• Gelfond
• Helfand
• Helfant