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Answer a question more than 60 days later with score of 5 or more. This badge can be awarded multiple times.
Awarded 9122 times.
Presentations of exotic 4-manifolds
Awarded 7 hours ago
A Shelah group in ZFC?
Awarded 10 hours ago
Usefulness of Nash embedding theorem
Awarded 19 hours ago
What elementary problems can you solve with schemes?
Awarded 21 hours ago
Common extension of two sigma-additive measures
Awarded yesterday
Image of the trace operator on W^{1,1}
Awarded yesterday
Examples of eventual counterexamples
Awarded yesterday
Citing papers that are in a language that you do not read
Awarded Apr 13 at 4:22
Prove these are not surface groups
Awarded Apr 12 at 14:08
Suggestions for good notation
Awarded Apr 11 at 2:48
Can the Riemann hypothesis be undecidable?
Awarded Apr 10 at 15:35
What is the group completion of finite sets with respect to cartesian product?
Awarded Apr 10 at 15:35
When does a Galois connection induce a topology?
Awarded Apr 10 at 15:35
Can the Riemann hypothesis be undecidable?
Awarded Apr 10 at 14:15
What are the applications of hypergraphs?
Awarded Apr 9 at 10:27
Computing Bochner integrals with values in L^p-spaces by Lebesgue integrals?
Awarded Apr 9 at 4:55
On the universal property of the lexicographic order, again
Awarded Apr 8 at 19:36
What are the maximal closed subgroups of $ \operatorname{SU}_3 $?
Awarded Apr 8 at 13:42
Not especially famous, long-open problems which higher mathematics beginners can understand
Awarded Apr 8 at 1:31
Fiction books about mathematicians?
Awarded Apr 7 at 0:48
Topological characterization of the closed interval $[0,1]$
Awarded Apr 6 at 15:41
More open problems
Awarded Apr 6 at 13:01
Most recent results on formulating Kunen's inconsistency theorem in ZF without choice
Awarded Apr 5 at 17:17
Errata for Atiyah–Macdonald
Awarded Apr 5 at 13:09
"Mathematics talk" for five year olds
Awarded Apr 5 at 3:16
Experimental mathematics leading to major advances
Awarded Apr 5 at 1:33
Experimental mathematics leading to major advances
Awarded Apr 5 at 1:33
Experimental mathematics leading to major advances
Awarded Apr 5 at 1:33
Experimental mathematics leading to major advances
Awarded Apr 5 at 1:33
Most intricate and most beautiful structures in mathematics
Awarded Apr 4 at 22:20
A malnormal embedding theorem?
Awarded Apr 4 at 18:20
Video lectures of mathematics courses available online for free
Awarded Apr 4 at 3:25
A series of articles should be published all in the same journal, or in different journals?
Awarded Apr 4 at 2:10
Weak convergence + convergence of the norm implies strong convergence in Orlicz spaces
Awarded Apr 3 at 8:11
Explicit cobordism between Wu manifold and Dold manifold P(1,2)?
Awarded Apr 3 at 0:57
Generating totally ordered free commutative monoids
Awarded Apr 2 at 21:05
What is the definition of "canonical"?
Awarded Apr 2 at 19:32
Coordinate ring of universal centralizer (BFM space)
Awarded Apr 2 at 7:12
What is entropy, really?
Awarded Apr 2 at 3:01
equivalence of Grothendieck-style versus Cech-style sheaf cohomology
Awarded Apr 1 at 22:26
Does there exist a GRR-like generalization of the AS Index Theorem?
Awarded Apr 1 at 15:17
Least collaborative mathematician
Awarded Apr 1 at 15:17
How bad is it to publish a paper with an overcomplicated proof?
Awarded Apr 1 at 2:51
Transitioning from pure mathematics to applied mathematics/machine learning
Awarded Mar 31 at 23:32
Journal of serious opinions on weighty matters for mathematicians
Awarded Mar 31 at 22:00
Mathematical etiquette: Rephrasing / restructuring a work, limited release (with attribution) acceptable?
Awarded Mar 31 at 18:57
What's "geometric algebra"?
Awarded Mar 31 at 12:21
Total spaces of $TS^2$ and $S^2 \times R^2$ not homeomorphic
Awarded Mar 31 at 7:26
How hard is it to get tenure in mathematics?
Awarded Mar 31 at 1:41
Schwede-Shipley theorem for monoidal categories?
Awarded Mar 30 at 23:56
Weakest condition for an integrable, almost-symplectic manifold?
Awarded Mar 30 at 12:47
Book recommendation for cobordism theory
Awarded Mar 29 at 17:40
Why are flat morphisms "flat?"
Awarded Mar 29 at 4:17
Consequences of Kirti Joshi's new preprint about p-adic Teichmüller theory on the validity of IUT and on the ABC conjecture
Awarded Mar 28 at 14:36
Consequences of Kirti Joshi's new preprint about p-adic Teichmüller theory on the validity of IUT and on the ABC conjecture
Awarded Mar 28 at 14:36
Asymptotic character theory of unitary groups via shifted Schur functions
Awarded Mar 28 at 13:34
About the Fourier transform of the logarithm function
Awarded Mar 28 at 10:20
Is there any progress toward solving Gilbreath's conjecture?
Awarded Mar 28 at 3:19
Which popular games are the most mathematical?
Awarded Mar 28 at 0:57
Which popular games are the most mathematical?
Awarded Mar 28 at 0:57
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