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Hvjurthuk
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63 Small ideas that became big Aug 14 '20
54 Proofs of theorems that proved more or deeper results than what was first supposed or stated as the corresponding theorem Mar 6
39 What are some examples of theorem requiring highly subtle hypothesis? Jun 1 '20
5 Prominent non-mathematical work of mathematicians Nov 25 '20
4 Proof of Theorem 9.2 of the book Cubic Forms by Yu. I. Manin (end of page 37) Feb 24
2 Does there always exist a(n uniform) polynomial that makes a positive definite symmetric matrix with polynomial entries into a sum of squares? Mar 5
2 Topology of the set of polynomials with bounded real algebraic varieties (inside the v. s. of polynomials in $n$ variables and up to degree $d$) Sep 15 '20
1 Surjection from finite rank free $R$-module to finitely generated $R$-module and basis associated to generator set Mar 18
1 Making a generating set of a section of a graded polynomial $R$-module coming from a quotient into a basis of a quotient by higher degree polynomial Mar 22
1 When do the kernels of module homomorphisms between rings whose kernels contain a given fixed ideal contain every prime ideal over it? Mar 26
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