Top network posts

• 210 Why do mathematicians use single-letter variables?
• 79 Examples where it's useful to know that a mathematical object belongs to some family of objects
• 68 Structures that turn out to exhibit a symmetry even though their definition doesn't
• 67 How to prove that a polynomial of degree $n$ has at most $n$ roots?
• 67 Can the fundamental group of any manifold be realized as the fund grp of a finite space?
• 44 What (if anything) unifies stable homotopy theory and Grothendieck's six functors formalism?
• 43 Ring-theoretic characterization of open affines?
• View more network posts →