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The question I'm having trouble with is the following: Let $a_n$ be defined for all $n in mathbb{N}$ by $a_n = frac{1}{n^3}$ if $n$ is even,...
Asked on 11/12/2021 by FratSourced
1 answerI am reading Ahlfors' "Complex Analysis". Early in the book, he uses the fact that for $z in mathbb{C}$ we have$$ -lVert zrVert le Re (z)...
Asked on 11/12/2021
2 answerThe question is pretty much summed up in the title: Let $V,W$ be normed vector spaces and $$ g: V to W$$. Suppose g fulfills $$g(v_n) longrightarrow...
Asked on 11/12/2021 by a_student
2 answerI was looking at Graded Syzygies by Peeva, and on page 3 she says "throughout this book, $R=S/I$ and is standard graded." Here, $S=k[x_1,ldots,x_n]$ and $I$ is...
Asked on 11/12/2021
0 answerSlide 18 in this lecture goes:What is the probability of an edge between nodes $i$ and $j$?There are $k_i$ stubs at node $i$ and $k_j$ at ...
Asked on 11/12/2021
1 answerUsing the fact that the angle bisector of the below triangle splits the opposite side in the same proportion as the adjacents sides, I need to give a geometric proof...
Asked on 11/12/2021 by brazilian_student
3 answerEverywhere I can read that a matrix and its adjoint have pretty much the same eigenvalues ( only complex conjugation is the difference between them). Now I was wondering whether...
Asked on 11/12/2021 by user66906
3 answerI'm reading a book written by Serre and, even though he's one of the best math writer ever, there's a step I don't understand. This may imply that I'm one...
Asked on 11/12/2021 by Abramo
2 answerComment: I greatly shortened and simplified the question. As a drawback, some comments/answers might not make any sense anymore. Assume we are using this set of axioms...
Asked on 11/12/2021
2 answerI have problem solving the following questions:I have infinite amount of Lego bricks with 6 and 8 studs in length. I want to build a palisade that has the length...
Asked on 11/12/2021
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