56

Answers

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Can pure mathematics harness citizen science?

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Measuring big stuff

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What is the smallest rectangle that will contain all squares of size 1 to 33?

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Find the least prime so that p-1 has two factors greater than $m$ and $n$

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Analogues of Jacobsthal’s function

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count number of i such that ( (p_2*i) mod p_2) == l

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A weird function related to the denominators of rational squares

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Does every bipartite graph with 512 edges have an induced subgraph with 256 edges? (2)

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Unmathematical habits of thought and action which would be of use to mathematicians

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Usefulness of symbolic devices

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Characterizing graphs by their “walkers”

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Graphical representation of mathematical structures (in the spirit of unified modeling language)

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Math Puzzle: calculating the dimensions of variable rectangles in a fixed square

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Graph properties and FOL

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Erik Westzynthius’s cool upper bound argument: update?

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Is there an official name for this prohibited word pattern?

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Name for “lower/upper bounds” of arbitrary relations?

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max # of words with restricted total content

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The Inverse of the Euler Totient Function

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Real functions with finitely many zeroes

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Three half circles on the plane may not meet nicely

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Does every ellipse inside a tetrahedron inside a ball fit in a triangle inside the ball?

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Estimates for Bezout coefficients

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Nonzero convex combinations of convex hull vertices to yield an inner point

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How should one look at the set of compatible ring structures on a given group?

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Similarity measure between 2 bi-partite graph.