The study of alternating sign matrices (ASMs) occupies a central position in enumerative combinatorics, linking intricate algebraic methods with models from statistical physics. ASMs are square ...

Algebraic and enumerative combinatorics seminar October 3Abstract: Whether it is decidable to determine when sequences satisfying linear recurrences with constant coefficients have all positive terms ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The University of Waterloo acknowledges that much of our work takes place on the traditional territory of the Neutral, Anishinaabeg, and Haudenosaunee peoples. Our main campus is situated on the ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

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