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Altruist

 Altruist
First bounty you manually award on another person's question.
Awarded 120 times.
Who defined the term "Carleman-matrix" and also their properties as they are?
Awarded Nov 3, 2025 at 11:34
Generalised Hermite polynomials
Awarded Oct 23, 2025 at 13:41
What is the smallest cardinality of a self-linked set in a finite cyclic group?
Awarded Aug 1, 2025 at 16:11
Big tangent bundle
Awarded Jul 4, 2025 at 6:31
A question about the spectrum of upper triangular operator matrices
Awarded Jun 26, 2025 at 19:16
Does this specific 5-state Turing machine halt?
Awarded May 12, 2025 at 18:20
Mixing of a "locally finite" Markov chain on binary sequences
Awarded Feb 20, 2025 at 19:47
Covering a finite poset by minimum number of chains and antichains
Awarded Feb 18, 2025 at 20:50
Cardinality of definable sets of reals
Awarded Jan 20, 2025 at 8:11
Obstruction to the existence of global resolution of coherent sheaf
Awarded Dec 13, 2024 at 16:12
Local Profinite Ring
Awarded Oct 19, 2024 at 8:47
Can a category's partial monoid of arrows be completed to a total monoid?
Awarded Sep 4, 2024 at 3:28
Are all monomorphisms in the category of bounded lattices regular?
Awarded Sep 3, 2024 at 20:32
Tight upper bounds on trigonometric polynomials
Awarded Aug 15, 2024 at 13:22
Is there a version of Weyl's law for graph Laplacians?
Awarded Jul 19, 2024 at 20:22
Approximation of triply periodic minimal surfaces with trigonometric level sets
Awarded Apr 10, 2024 at 23:36
How to find the coefficient of $x^k$ in the expression $\prod_{p=1}^n (x^p+1)^p$?
Awarded Feb 19, 2024 at 13:42
Reference for Chebyshev centers
Awarded Dec 21, 2023 at 2:16
Sendov's conjecture
Awarded Oct 30, 2023 at 14:41
Topological generators for $\mathrm{SL}_2(\mathbf{Z}_p)$
Awarded Jun 5, 2023 at 22:20
Automorphism group of formally real Jordan algebras of hermitian matrices
Awarded May 16, 2023 at 5:06
Are there lightweight foundations for arbitrarily extendable objects?
Awarded Feb 28, 2023 at 4:04
What happened to the Salem prize?
Awarded Feb 23, 2023 at 12:26
What does the semiring of ideals of a ring R tell us about R?
Awarded Feb 22, 2023 at 17:46
Evaluating the sum $f(x):=\sum_{n=1}^\infty \frac{1}{n! n^n}(-x^2)^n$ and estimating bounds
Awarded Jan 26, 2023 at 22:25
Deligne's "Notes sur Euler-Poincaré: brouillon project"
Awarded Dec 26, 2022 at 16:10
(post deleted or otherwise unavailable)
Awarded Nov 13, 2022 at 23:55
Tamagawa numbers of elliptic curves and quadratic base change
Awarded Oct 5, 2022 at 23:15
Generalisation of Cauchy's mean value theorem
Awarded Jun 6, 2022 at 12:58
Some questions from the paper by Scholze-Weinstein
Awarded May 30, 2022 at 14:12
Finding maximal prefix of a simple curve
Awarded Apr 6, 2022 at 16:25
Current status on Richardson's model (growth model)
Awarded Dec 24, 2021 at 3:26
Are there infinite constructions for partial circulant Hadamard matrices?
Awarded Nov 25, 2021 at 19:35
Cutting of a regular polygon into congruent pieces
Awarded Nov 3, 2021 at 15:02
Deleting triangles in a graph
Awarded Sep 23, 2021 at 1:04
Where are the second- (and third-)generation proofs of the classification of finite simple groups up to?
Awarded Sep 22, 2021 at 11:26
Verifying claims in the proof of the Rigidity Lemma (Mumford, GIT)
Awarded Sep 7, 2021 at 8:45
Uses of Volodin's construction of algebraic K-theory
Awarded Sep 4, 2021 at 5:00
Spectrum of matrix involving quantum harmonic oscillator
Awarded Aug 23, 2021 at 0:06
A dichotomy for the quadratic variation of differentiable functions?
Awarded Jul 22, 2021 at 5:10
Reading list recommendation for a hep-ph student to start studying QFT at a more mathematically rigorous level?
Awarded Jul 18, 2021 at 14:03
Does this operator have a continuous, localized eigenfunction with negative eigenvalue?
Awarded Jul 11, 2021 at 4:55
A question about connected subsets of $[0,1]^2$
Awarded May 20, 2021 at 21:56
Crepant resolutions of cDV singularities?
Awarded Apr 28, 2021 at 23:52
Is there a Whitney Embedding Theorem for non-smooth manifolds?
Awarded Apr 21, 2021 at 21:50
What does $O(N)$ mean in this article and how does it imply this lemma?
Awarded Mar 26, 2021 at 18:41
Is every path with this property shorter than another path with the same endpoints?
Awarded Mar 2, 2021 at 15:51
Heart of a bounded $t$-structure on the derived category of coherent sheaves
Awarded Feb 16, 2021 at 17:07
Complex-doubly periodic function in two variables?
Awarded Feb 1, 2021 at 21:50
Next steps for a Morse theory enthusiast?
Awarded Jan 18, 2021 at 0:16
What is higher equivariant homotopy?
Awarded Oct 22, 2020 at 2:05
Topological objects associated to Steinerberger's 4-regular graphs
Awarded Sep 4, 2020 at 16:25
Identity involving the probability that a random walk stays below a curve
Awarded Aug 2, 2020 at 9:05
Flatness of the Hitchin system?
Awarded Jun 2, 2020 at 20:06
Is $A_5$ the only finite simple group with only 4 distinct sizes of orbits under the action of the automorphism group?
Awarded May 13, 2020 at 9:25
Online events during the quarantine
Awarded Apr 11, 2020 at 5:00
$f \in L^p(\mathbb{R}^2)$ for all $p \geq 1$, and $f$ has zero integral. What can we say about this function's fourier Transform?
Awarded Mar 3, 2020 at 17:10
Hard: One more generator needed for a Z/6 elliptic curve
Awarded Feb 28, 2020 at 20:05
Mehta integral and orthogonality
Awarded Feb 16, 2020 at 20:50
Inequality for initial data
Awarded Dec 23, 2019 at 8:25
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