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May 25, 2022Section 5. the Hilbert Nullstellensatz and first steps in dimension theoryFollow Matsumura.1 hr 12 minPlay
August 07, 2021Quadratic extensions are pairwise distinct; Z[squar -3] is not a UFD. #Exercises #Number theoryExercise 1:Quadratic extensions are pairwise distinct.Exercise 2:Z[squar -3] is not a UFD. 23 minPlay
July 30, 2021#1.2 Characterization of DVR #Local fields, Serre #booksQuestion: Why Intersection_n m(A)^n=0 implies that A is integral?31 minPlay