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Four new series for $\pi$ and related identities involving harmonic numbers

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Do uniquely Hamiltonian graphs have cycles of a sufficiently long length?

kabenyuk

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Notamathematician

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Michael Hardy

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rivana

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Four new series for $\pi$ and related identities involving harmonic numbers

Do uniquely Hamiltonian graphs have cycles of a sufficiently long length?

$R$-recursion for the A249833 (similar to A235129)

Smallest dominating set

Where does the definition of ($\infty$-)groupoid cardinality come from?

Calculating the value of periodic continued fractions with $a_i\in\lbrace 0,1\rbrace$

Upper bound of number of different rows for a binary matrix

Are there 100 points that are part of every half-density part of the plane?

do all two manifolds admit a three-colorable triangulation?

$R$-recursion for the A235129

Economic equilibrium and tropical geometry

A non-associative three-valued logic

Large sets of nearly orthogonal integer vectors

Minimum number of swaps to make multisets elements sums close

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