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Discrete Mathematics

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Permutations, group theory, discrete calculus, integer sequences, combinatorial optimization...

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Verifying origin/meaning of rule 54 formula on MathWorld

QUESTION FROM: Rudi Bjørnsen Stranden | 13 days ago

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124

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Recamán's sequence, semi circles and spooky sound

CONTRIBUTED BY: Shenghui Yang | 15 days ago BY: Vitaliy Kaurov

Staff Picks , Audio, Sound and Music , Discrete Mathematics , ...

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254

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Exploring moduli of dyadically resolved trinomials

CONTRIBUTED BY: Shenghui Yang | 2 months ago BY: EDITORIAL BOARD

Staff Picks , Algebra , Discrete Mathematics , ...

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722

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Mathematical Games: knots and crossing numbers

CONTRIBUTED BY: Ed Pegg | 2 months ago BY: EDITORIAL BOARD

Staff Picks , Challenges , Demonstrations , Discrete Mathematics , ...

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(6n-1) type prime and (6n + 1) type prime

CONTRIBUTED BY: Koichi Ohno | 2 months ago BY: William Donelson

Discrete Mathematics , Graphics and Visualization , Mathematics , ...

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11.6K

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Hamiltonian-type paths without crossings in regular polygons

CONTRIBUTED BY: Shenghui Yang | 2 months ago BY: EDITORIAL BOARD

Staff Picks , Challenges , Computer-Based Maths , Computer Science , ...

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1.3K

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Extending Matt Parker's List: 4 Primes p where tan(p) > p

CONTRIBUTED BY: Greg Hurst | 2 months ago BY: Greg Hurst

Staff Picks , Discrete Mathematics , Graphics and Visualization , ...

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3.1K

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Combinatorics, calculus, Bell polynomials, and you

CONTRIBUTED BY: Dan McDonald | 2 months ago BY: EDITORIAL BOARD

Staff Picks , Calculus , Computer-Based Maths , ...

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1.2K

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Formula for computing sqrt(2) of binary numbers

CONTRIBUTED BY: Mariusz Iwaniuk | 3 months ago BY: Maximilian Georgiev

Staff Picks , Discrete Mathematics , Equation Solving , Mathematics , ...

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33.5K

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[WSS25] Investigating rule space geometry on multi-state cellular automata

CONTRIBUTED BY: Davi Vieira da Silva | 4 months ago BY: Daniel Carvalho

Staff Picks , Computational Systems , Computer Science , ...

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1.5K

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Evolving cellular automata to match functions

CONTRIBUTED BY: Eric Parfitt | 4 months ago BY: EDITORIAL BOARD

Staff Picks , Biological Sciences , Computational Systems , ...

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1.1K

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The Dædælus efficiency model: a formal comparison of bandwidth- and transaction-multiplexing

QUESTION FROM: Dean Gladish | 4 months ago

Discrete Mathematics , Graphics and Visualization , Mathematics , ...

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The metcalfe-boggs model: a formal analysis of statistical arbitration and efficiency

CONTRIBUTED BY: Dean Gladish | 4 months ago

Discrete Mathematics , Dynamic Interactivity , ...

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955

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[WSRP25] Unambiguity properties in context-free grammars: identifying a maximal unambiguous rule set

CONTRIBUTED BY: Girish Prasad | 4 months ago BY: EDITORIAL BOARD

Staff Picks , Discrete Mathematics , Graphics and Visualization , ...

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2.9K

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[WSS25] Searching for holes in the proof space

CONTRIBUTED BY: Saúl Bernal González | 4 months ago BY: Saúl Bernal González

Staff Picks , Discrete Mathematics , Graphics and Visualization , ...

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1.7K

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[WSS25] Exploring continuous cellular automata with respect to small perturbations

CONTRIBUTED BY: Kiran Shrestha | 4 months ago BY: EDITORIAL BOARD

Staff Picks , Computational Systems , Discrete Mathematics , ...

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1.2K

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Dirac’s Hidden Formula? The Unexpected Power of Logs and Exponents in Number Representation

CONTRIBUTED BY: Jefferson Conza | 5 months ago

Discrete Mathematics , Graphics and Visualization , Mathematics , ...

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905

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OEIS A381050: Down-under-down shuffle with steps

CONTRIBUTED BY: Shenghui Yang | 6 months ago BY: EDITORIAL BOARD

Staff Picks , Computational Humanities , Discrete Mathematics , ...

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1.7K

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Self-referential recurrence

QUESTION FROM: Paul Abbott | 6 months ago BY: Daniel Lichtblau

Discrete Mathematics , Mathematics

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2.1K

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Request resources for mathematical foundations of higher-order topological dynamics in networks

QUESTION FROM: Amin Cheikhi | 7 months ago BY: Daniel Lichtblau

Algebra , Calculus , Discrete Mathematics , Mathematics , ...

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2.3K

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345 Discussions

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Rudi Bjørnsen Stranden

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