Proceedings of the International Mathematical Conference, Singapore 1981

affine algebraic group assume Autº biregular Brownian functionals Brownian motion called Cohen–Macaulay conjecture contains COROLLARY correspondence Coxeter groups defined definition denote depth Dirichlet form divisor elements equation equivalent Erdös exact sequence example excellent ring exists field field of fractions finite free finite R-module given group G hence Hilbert homomorphism Homs induction infinite integral domain International Mathematical Conference Irr G irreducible isomorphic kernel lattice Lemma Let F linear M-sequence Malaysia Markov processes Math matrix maximal ideal module Nagata National University nilpotent groups noetherian ring non-zero-divisor nonsingular polynomial ring prime ideal problem projective proof proper transform properties proved quadratic dilatation quadratic forms R-module rank G representation result ruled surface Singapore space spinor spinor genus subset symmetric Theorem transition function University of Singapore valuation ring white noise