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Awarded 247 times.
Theorems in set theory that use computability theory tools, and vice versa
Awarded Apr 18, 2023 at 15:35
Could groups be used instead of sets as a foundation of mathematics?
Awarded Apr 9, 2023 at 22:04
Non-real constants
Awarded Mar 6, 2023 at 4:50
Which Riemann surfaces arise from the Riemann existence theorem?
Awarded Feb 18, 2023 at 5:21
What is the cofinality of the co-infinite subsets of ${\bf N}$?
Awarded Feb 11, 2023 at 18:27
Blackboard rendering of math fonts
Awarded Feb 1, 2023 at 16:40
Will this Turing machine find a proof of its halting?
Awarded Jan 30, 2023 at 20:41
Simpler proofs using the axiom of choice
Awarded Jan 21, 2023 at 2:40
Are the models of infinitesimal analysis (philosophically) circular?
Awarded Jan 19, 2023 at 9:50
"Natural" undecidable problems not reducible to the halting problem
Awarded Dec 26, 2022 at 22:56
Does anyone still seriously doubt the consistency of $ZFC$?
Awarded Dec 24, 2022 at 23:42
Awfully sophisticated proof for simple facts
Awarded Dec 15, 2022 at 8:35
Ways to prove the fundamental theorem of algebra
Awarded Dec 7, 2022 at 0:26
Consequences of Kirti Joshi's new preprint about p-adic Teichmüller theory on the validity of IUT and on the ABC conjecture
Awarded Nov 25, 2022 at 16:28
Why the sphere spectrum is more correct than $\mathbb{Z}$?
Awarded Nov 22, 2022 at 17:43
What is the shortest Ph.D. thesis?
Awarded Nov 21, 2022 at 14:11
How to present mathematics to non-mathematicians?
Awarded Nov 19, 2022 at 16:09
Hard-to-compute real numbers
Awarded Nov 15, 2022 at 7:10
Where are the second- (and third-)generation proofs of the classification of finite simple groups up to?
Awarded Nov 14, 2022 at 20:27
Is $\mathbb R^3$ the square of some topological space?
Awarded Nov 6, 2022 at 17:21
Czelakowski's claimed proof of the Twin Prime Conjecture
Awarded Oct 29, 2022 at 21:20
Authorship of Grothendieck universes
Awarded Oct 28, 2022 at 23:33
A better way to explain forcing?
Awarded Oct 14, 2022 at 21:09
Why is fast matrix multiplication impractical?
Awarded Oct 7, 2022 at 9:05
Meta$^{n{-}th}$ mathematics
Awarded Sep 4, 2022 at 9:25
Will this Turing machine find a proof of its halting?
Awarded Aug 4, 2022 at 21:52
Stable homotopy category and the moduli space of formal groups
Awarded Jul 30, 2022 at 20:27
Publishing papers that became classics before they were submitted
Awarded Jun 26, 2022 at 14:17
Publishing papers that became classics before they were submitted
Awarded Jun 5, 2022 at 18:56
The use of computers leading to major mathematical advances II
Awarded May 27, 2022 at 5:16
Can we interpret arithmetic in set theory, with exactly PA as the ZFC provable consequences?
Awarded May 26, 2022 at 20:46
Suggestions for good notation
Awarded May 18, 2022 at 14:57
Number of x such that $m-x^2$ and $n-x^2$ are both squares
Awarded May 6, 2022 at 7:46
Number of hypercube unfoldings
Awarded Apr 17, 2022 at 11:47
Can a fixed finite-length straightedge and finite-size compass still construct all constructible points in the plane?
Awarded Mar 4, 2022 at 22:12
An explicit series representation for the analytic tetration with complex height
Awarded Feb 23, 2022 at 1:41
What are some reasonable-sounding statements that are independent of ZFC?
Awarded Jan 21, 2022 at 17:16
What is torsion in differential geometry intuitively?
Awarded Jan 6, 2022 at 14:48
Could the Riemann zeta function be a solution for a known differential equation?
Awarded Dec 28, 2021 at 17:01
Maximal ideals in the ring of continuous real-valued functions on ℝ
Awarded Dec 17, 2021 at 22:57
Condition for a local ring whose maximal ideal is principal to be Noetherian
Awarded Nov 26, 2021 at 17:21
What should be learned in a first serious schemes course?
Awarded Nov 13, 2021 at 21:01
The factorials of -1, -2, -3, …
Awarded Nov 7, 2021 at 23:06
What was the relative importance of FLT vs. higher reciprocity laws in Kummer's invention of algebraic number theory?
Awarded Oct 18, 2021 at 0:07
The most outrageous (or ridiculous) conjectures in mathematics
Awarded Aug 21, 2021 at 17:50
Closed formula for a certain infinite series
Awarded Aug 9, 2021 at 5:40
What is the smallest unsolved Diophantine equation?
Awarded Jul 29, 2021 at 16:05
What is the smallest unsolved Diophantine equation?
Awarded Jul 27, 2021 at 16:36
Siegel zeros and other "illusory worlds": building theories around hypotheses believed to be false
Awarded Jul 16, 2021 at 6:45
Why do we have two theorems when one implies the other?
Awarded Jul 12, 2021 at 10:25
What's the bijection between reals and infinite sequences of integers?
Awarded May 21, 2021 at 17:57
Is there any rational curve on an Abelian variety?
Awarded May 9, 2021 at 21:40
What is a chess piece mathematically?
Awarded Apr 24, 2021 at 22:46
Plus construction considerations.
Awarded Mar 19, 2021 at 19:56
What is a Frobenioid?
Awarded Mar 17, 2021 at 14:22
Are spectra really the same as cohomology theories?
Awarded Mar 2, 2021 at 15:41
Algebraic K-theory can be seen as a generalization of Linear algebra?
Awarded Jan 31, 2021 at 9:01
Nonexistence of boundary between convergent and divergent series?
Awarded Jan 25, 2021 at 0:42
What precisely Is "Categorification"?
Awarded Jan 13, 2021 at 6:51
Awfully sophisticated proof for simple facts
Awarded Dec 25, 2020 at 3:09
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