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Devlin Mallory

Berkeley, CA

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Top Questions

Definition of the Young Symmetrizer

combinatorics finite-groups representation-theory definition symmetric-groups asked Aug 19, 2013 at 13:34

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Compactness of Algebraic Curves over $\mathbb C^2$

algebraic-geometry algebraic-curves asked Aug 6, 2013 at 20:40

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Top Answers

Is matrix $A^TA$ always symmetric?

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Does $\det(A + B) = \det(A) + \det(B)$ hold?

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Prove two graphs are isomorphic

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Motivation for the concept of "open set" in topology

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Do matrices have a "to the power of" operator?

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Question about math symbol $\bigsqcup$

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Proving $\|e^A\|\le e^{\|A\|}$

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What does "topological dual of a Banach space" mean?

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Intersection of algebraic field extensions.

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show that $n^2 + (n+1)^2 = 2m^2$ is impossible

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Functions have by definition the property that if $f(x_1)=a$ and $f(x_1)=b$, then $a=b$. What is the name of this property?

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If $\phi: G \rightarrow H$ is a group homomorphism, $N \vartriangleleft G$, then $G/N \cong \phi(G)/\phi(N)$

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When are valuative criteria useful?

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