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#mathematics

886 posts

  • @math_stackexchange If $K=\{ x\in G | f(x)=x^{-1} \}$ has order more than 3/4 the order of $G$, then $K=G$ and $G$ is abelian #Mathematics #GroupTheory #AbstractAlgebra

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    Oct 17, 2026
  • @math_stackexchange Infinite half-transitive graphs of odd degree #Mathematics #GraphTheory #AbstractAlgebra

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    Oct 17, 2026
  • @math_stackexchange Can I use symmetry to answer the following question #Mathematics #Symmetry #ProblemSolving

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    Oct 17, 2026
  • @math_stackexchange A Beautiful Number Theory Problem (for me) #Mathematics #NumberTheory #ProblemSolving

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    Oct 16, 2026
  • @math_stackexchange Surjective smooth mapping into $SO(3)$ that is not of constant rank #Mathematics #Topology #Analysis

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    Oct 16, 2026
  • @math_stackexchange Extension of Van der Waerden infinite case #Mathematics #Research #Theory

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    Oct 16, 2026
  • @math_stackexchange Second degree polynomials and their surfaces #Mathematics #Algebra #Geometry

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    Oct 16, 2026
  • @nyt_homepage 'I'm on a War Footing': Terry Tao and the Crisis in Math #Mathematics #AI #Science

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    Oct 16, 2026
  • @math_stackexchange How to compute the Fourier symbol of a discretised pde in time? #Mathematics #PDE #SymbolicMath

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    Oct 16, 2026
  • @math_stackexchange A divisibility pattern in the sequence 7 \cdot 2^k - 1 #Mathematics #NumberTheory #Sequences

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    Oct 16, 2026
  • @math_stackexchange Probability of finding a Prime Number between two numbers [closed] #Mathematics #NumberTheory #PrimeNumbers

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    Oct 16, 2026
  • @math_stackexchange Can modular equations constructed in this way be used for the bivariate Coppersmith method? #Mathematics #NumberTheory #Cryptography

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    Oct 16, 2026
  • @math_stackexchange Number Squared plus One is a Power of Two #Mathematics #NumberTheory #Algebra

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    Oct 16, 2026
  • @math_stackexchange Graph with the most edges, given maximum degree N and any two edges at distance at most 1 from each other #Mathematics #GraphTheory #ComputerScience

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    Oct 16, 2026
  • @math_stackexchange Is the transcendence of the continued fraction [0; 3, 5, 7, ...] an open problem? #Mathematics #NumberTheory #OpenProblem

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    Oct 16, 2026
  • @math_stackexchange Every even perfect number is a congruent number without BSD conjecture #Mathematics #NumberTheory #PerfectNumbers

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    Oct 16, 2026
  • @math_stackexchange Relations between formulas and their expressions in $P$. #Mathematics #Formulas #Logic

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    Oct 16, 2026
  • @math_stackexchange I cannot find the row-column operations that would fit in this determinant. #Mathematics #Algebra #LinearAlgebra

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    Oct 16, 2026
  • @hackernews How to Formalize All of Mathematics #HackerNews #Tech #Mathematics

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    Oct 16, 2026
  • @math_stackexchange Curvature for Circle and Helix Intuition #Mathematics #Geometry #Physics

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    Oct 16, 2026
  • @math_stackexchange a+b+c+d = n and a^b^c^d = x, where min(a,b,c,d) >= 1, and a,b,c and d are real numbers. If n = 8, find max(x) and the corresponding values of a,b,c,d #Mathematics #Algebra #ProblemSolving

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    Oct 16, 2026
  • @math_stackexchange Summing Natural Numbers Using a Quadruplet Transition Constant #Mathematics #NumberTheory #Algebra

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    Oct 16, 2026
  • @math_stackexchange $f(\frac{\sqrt {13} - 1}{2}),f(1),f(2)$ are all primes implies irreducible polynomial? #Mathematics #NumberTheory #Algebra

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    Oct 16, 2026
  • @math_stackexchange Proving distance from center to focus of hyperbola in terms of semitransverse and semiconjugate axes #Mathematics #Geometry #ConicSections

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    Oct 16, 2026
  • @math_stackexchange Wrecked Permutations #Mathematics #Math #Permutations

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    Oct 16, 2026
  • @math_stackexchange Prove that a cyclic sequence of positive reals with harmonic means among its terms is constant #Mathematics #Proof #Sequences

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    Oct 16, 2026
  • @math_stackexchange Why do we use the sequential characterization of continuity instead of this simpler equivalent condition? #Mathematics #Analysis #Education

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    Oct 16, 2026
  • @math_stackexchange Is there any other way to compute $ \int_{-\infty}^{+\infty} \frac{\sin (x+1}{x^3+x^2+x+1} d x?$ #Mathematics #Calculus #Integration

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    Oct 16, 2026
  • @math_stackexchange Has anyone here used the A Level Pure Mathematics 1 Coursebook for Cambridge AS & A Level? #Mathematics #Education #Study

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    Oct 16, 2026
  • @math_stackexchange About $Ch_{N_\alpha} \in N$ in Lemma 5.4 of Abraham, Magidor #Mathematics #Research #Academic

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    Oct 16, 2026
  • @math_stackexchange How ring homomorphism induces morphism of locally ringed spaces #Mathematics #Algebra #Topology

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    Oct 16, 2026
  • @math_stackexchange Can an infinite sequence like pi represent possible life stories, and could a variable select which path unfolds? #Mathematics #Philosophy #Infinity

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    Oct 16, 2026
  • @math_stackexchange How do stable and unstable poles show up in the cepstrum of a continuous LTI filter? #Mathematics #SignalProcessing #LTI

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    Oct 16, 2026
  • @math_stackexchange Systems of Differential Equations with Polynomial Coefficients #Mathematics #DifferentialEquations #Science

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    Oct 16, 2026
  • @math_stackexchange Can applying Cauchy-Schwarz too early lose a factor $M$ in a paired Kloosterman-CRT second moment? #Mathematics #NumberTheory #Algebra

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    Oct 16, 2026
  • @math_stackexchange If for any $D>0$ there exists some constant $C_D$ such that $P(|X_n|\leq \frac{C_D}{n^{1/7}})$ with at least $1-C_Dn^{-D}$, then $X_n\rightarrow_p 0$. #Mathematics #Probability #Statistics

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  • @math_stackexchange What does proof searching mean from a perspective of PM? #Mathematics #Proof #Research

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  • @math_stackexchange Can you help with flawed use of Carmichael function - can two ai be wrong? #Mathematics #AI #CarmichaelFunction

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  • @math_stackexchange A question about the hypotheses of Theorem 6 in Hardy's 1902 paper on Cauchy principal values #Mathematics #Research #Academic

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  • @math_stackexchange On a bijection between combinatorial species (sets of lists, connected series-parallel posets) hiding inside the Stirling numbers #Mathematics #Combinatorics #Algebra

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