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Nov
6 |
awarded | Nice Answer |
May
12 |
awarded | Nice Answer |
May
8 |
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Apr
29 |
comment |
Verifying the correctness of a Sudoku solution
I think the tag compressed-sensing could be added to this post. nuit-blanche.blogspot.co.uk/2013/04/… goo.gl/xl3EQ |
Apr
21 |
answered | Is rigour just a ritual that most mathematicians wish to get rid of if they could? |
Feb
23 |
awarded | Necromancer |
Feb
22 |
answered | Philosophy behind Mochizuki's work on the ABC conjecture |
Feb
12 |
awarded | Student |
Feb
11 |
awarded | Critic |
Feb
9 |
comment |
Trichotomies in mathematics
mathoverflow.net/questions/22927/… |
Feb
9 |
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Trichotomies in mathematics
mathoverflow.net/questions/13029/… |
Feb
9 |
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Trichotomies in mathematics
mathoverflow.net/questions/40178/freshmans-definition-of-sinx/… |
Feb
8 |
comment |
Trichotomies in mathematics
For a Riemannian signature Einstein AH structure on a compact n-manifold there holds one of the following mutually exclusive possiblities: 1) It is proper and exact with parallel scalar curvature. 2) Its scalar curvature is identically zero and it is closed. 3) It is not closed, and its scalar curvature is not parallel. arxiv.org/pdf/1203.2575 |
Feb
8 |
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Trichotomies in mathematics
Structure of Kacâ€“Moody algebras: finite type, affine type, and wild type. |
Feb
8 |
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Trichotomies in mathematics
Tautology/contingency/absurdity for propositional forms and the analogous valid/satisfiable/unsatisfiable. books.google.com/books?id=t5r79vZ9ogoC&pg=PA75 |
Feb
8 |
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Trichotomies in mathematics
An infinite locally finte homogenneous geometry is isomorphic to 1) trivial geometry, 2) projective geometry over a finite field, or 3) affine geometry over a finite field. books.google.com/books?id=8NTWRFD5lZ8C&pg=PA367 |
Feb
6 |
comment |
Ring with three binary operations
Or the minimum function. Or any subring of $\mathbb{R}$ such as $\mathbb{Q}$, $\mathbb{Z}$, $\mathbb{Q(\sqrt{2})}$. |
Feb
5 |
comment |
Ring with three binary operations
Related question: mathoverflow.net/questions/110378/… |
Feb
4 |
comment |
Trichotomies in mathematics
Underdetermined, determined, overdetermined. |
Feb
4 |
awarded | Commentator |