Gelfand

• People:
• * Alan Gelfand, the inventor of the ollie, a skateboarding move
• * Boris Gelfand, a chess grandmaster
• * Israel Gelfand, a mathematician
• * Vladimir Gelfand, a Soviet-Jewish writer
• Notions in mathematics :
• * 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 consisting of a locally compact unimodular group G and a compact subgroup K
• * a Gelfand triple, a construction designed to link the distribution and square-integrable aspects of functional analysis