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Q&A for professional mathematicians
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Hottest Questions Today - MathOverflow
Skip to main content Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, ...
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I hope everyone is doing well. Let $K \subset \mathbb{R}^n$ be a centrally symmetric convex body $(K = -K)$. Denote by $K \mid H$ the orthogonal projection of $K$ onto $H$, where $H$ is an $n - 1$
Mathoverflow.net news digest
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0 days
Existence of an unbounded linear functional $T$ such that $T \circ f$ is continu...
Let $B$ be a complex Banach space, and $T: B \to \mathbb{C}$ be an unbounded linear functional.My question is: Does there necessarily exist a strongly holomorphic mapping $f: U \subset \mathbb{C} \to B$ such that $T \circ f$ is discontinuous?In other...
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Let A₀=A₁=1 and $A_{n+1} = \frac{A_n^2 + 1}{A_{n-1}}$; prove that if a prime $p ...
Prove that the sequence satisfies the constant invariant $A_n^2 + A_{n-1}^2 - 3A_n A_{n-1} = -1$, then analyze this equation modulo p² using the fact that -1 is a quadratic non-residue for $p \equiv 3 \pmod 4$.
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Is the following true?
Suppose T is a true theory.
Suppose the following is false: if this is true then T cannot prove T is consistent. -
4 years
Strictification for closed monoidal categories
The strictification theorem for monoidal categories states that every monoidal categorically is monoidally equivalent to a strict monoidal category. Is there a strictification theorem for closed monoidal categories? I expect this to take a form similar...
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