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Questions designed to get an overview of a specific subject or body of results or to understand the relations among similar definitions, techniques or concepts appearing in different sub-fields of mathematics. While such questions by their very nature sometimes cannot be made very narrow and focused, it can be helpful to keep in mind that the design of MathOverflow does not make it a good fit for questions that are too broad.

13 votes

Proposals for polymath projects

Covering Arrays are combinatorial objects that have applications in Computer Science among other fields, specifically in software and hardware testing. The definition is a 4-tuple $CA(N;t,k,v)$, where …
Ryan Dougherty's user avatar
3 votes

Proposals for polymath projects

Consider a probabilistic graph $G = (V, E)$ where each edge operates (exists) with probability $p$, independent of other edges. We consider a set $S \subseteq E$ to be a state of $G$. We say that $S$ …
Ryan Dougherty's user avatar