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How to construct such codes?

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Flat versus etale cohomology

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What is the limit of the sequence of iterated cosines?

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If every definable class admits a group structure, must global choice hold?

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On a sentence of J.Nekovar in the introduction of "Selmer complexes"

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Is there a Dehn-like presentation of a knot quandle?

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Bounded solutions of nonlinear third-order ODEs

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Fano manifold with vanishing cohomologies of the tangent bundle

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$R$-recursion for Fibonacci numbers using signed Catalan numbers

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Stacks and Maurer-Cartan elements

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Finding a prime which is a square modulo all small primes

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Are there noncartesian monoidal categories with $A \otimes B = A \times B$?

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Can the Banach algebra structure on $B(E)$ be (almost) retrieved from its Banach space structure?

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Construction of an optimal electron cage

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