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29 Jan 2024: b b. bb. b. b. b. b. b b. b. b. ... b b. b. b. 6. Let Γ and L, respectively, be the graph and the link pictured below.

11 Mar 2024: f(B) then y = f(a) for some a A andy = f(b) for some b B but then f(a) = y = f(b) so a = b A Band y ... A B), so f(A) f(B) f(A B) and the sets are equal asrequired.

8 Mar 2024: Indeed, the minimalpolynomial of a/b with gcd(a,b) = 1 is xa/b. ... OK =. {a b 1 m. 1/2. 2: a,b Z. }if m 1 mod 4.

31 Jan 2024: 12 H. Definition (Abelian group). A group G is abelian if a b = b a for all a,b G. ... ii) (a b)(b c) = (a b c). (iii) (a b)(c d) = (a c b)(a c d).

31 Jan 2024: i) if f ' g then π0(f) = π0(g),. (ii) for maps A h B k C we have π0(k h) = π0(k) π0(h),. ... It satisfies. (i) π1(f) is a group homomorphism,. (ii) if f is based homotopic to f ′ then π1(f) = π1(f ′),. (iii) for based maps (A,a) h (B,b)