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There are primes $p,q$ such that $\gcd(a,b)=|ap-bq|$

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#elementary-number-theory #prime-numbers #gcd-and-lcm #computational-mathematics #conjectures
95
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Inquiry about the Wolfram MathWorld entry on Odd Perfect Number

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#elementary-number-theory #reference-request #conjectures #divisor-sum #perfect-numbers
1.4k
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Subsubgroups are subgroups of subgroups / Multiplicative Property of the Index

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#abstract-algebra #group-theory #proof-verification #conjectures
301
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A conjecture on the closeness of twin primes

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#number-theory #prime-numbers #conjectures #twin-primes
154
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Free action of finite cyclic group on $S^3$

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#reference-request #algebraic-topology #conjectures #knot-theory
195
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Is there are similar conjecture like this??

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#number-theory #prime-numbers #conjectures
68
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Manufacturing desired planks from an existing pile of planks

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#combinatorics #algorithms #conjectures #combinatorial-geometry
143
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What is the common (and simplified) value for $D(q^k)D(n^2) = 2s(q^k)s(n^2)$ when $q^k n^2$ is an odd perfect number?

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#elementary-number-theory #conjectures #divisor-sum #arithmetic-functions #perfect-numbers
107
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Primes of the form $p_1p_2\dotsm p_k+1$

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#number-theory #elementary-number-theory #prime-numbers #conjectures
178
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Calculating the $\sum_{x=1}^\infty\left[\prod_{k=0}^s{s\choose k}x^k\right]^{-1}$

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#sequences-and-series #binomial-coefficients #riemann-zeta #conjectures
603
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Conjecture for $\ln(x)$ and $\frac{d^ny}{dx^n}$

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#derivatives #induction #conjectures
198
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Validation for a conjecture about Chinese Remainder Theorem for groups

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#group-theory #normal-subgroups #conjectures #chinese-remainder-theorem
119
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Schwarz inequality for unital positive maps on C*-algebras

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#abstract-algebra #functional-analysis #operator-algebras #c-star-algebras #conjectures
222
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Fortune's conjecture solved for limited cases?

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#prime-numbers #conjectures #prime-gaps
90
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Unique factorization conjecture?

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#ring-theory #conjectures #unique-factorization-domains

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