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(Master thesis / Hovedoppgave, 2002)
Et fikspunkt for en selvavbildning f: X -> X er et punkt x som oppfyller likningen f(x) = x. Mengden av fikspunkter kalles Fix(f). I fikspunktteori studeres egenskapene til Fix(f) for forskjellige f og X. Man deler mengden ...
(Master thesis / Hovedoppgave, 2006)
We have shown that the noncommutative equivalent of the set of closed points in the projective variety associated with an algebra A is in bijection with the set F of shift-equivalence classes of 1-critical graded modules ...