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TSIXGaming, Sydney, Australia 36 likes ⚑ T S I X G a m i n g c o m Alien Weapon Technology Research ⚑ Director I s l e O f T h e S e r p e n t c o m@ u t C g v āH @ Ă ̊֘A ́H i Sigmund FREUD 1856 1939 F _ w ҁjIn mathematics, the oscillator representation is a projective unitary representation of the symplectic group, first investigated by Irving Segal, David Shale, and André WeilA natural extension of the representation leads to a semigroup of contraction operators, introduced as the oscillator semigroup by Roger Howe in 19 The semigroup had previously been studied by other 180 Pencil Companies Vintage Pencils For Sale áÔè 40 'ã "¯^ Xg[g {u