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Discrete Mathematics

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

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Edit-distance algorithm: categorification — NNG word graphs as path categories

CONTRIBUTED BY: Dara Shayda | 3 days ago BY: EDITORIAL BOARD

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Recreating the Boron 80 buckyball with graph functions

CONTRIBUTED BY: Shenghui Yang | 7 days ago BY: Shenghui Yang

Staff Picks , Chemistry , Discrete Mathematics , Education , ...

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187

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Unit distance graph animations

CONTRIBUTED BY: Anton Antonov | 10 days ago BY: Anton Antonov

Staff Picks , Discrete Mathematics , Geometry , ...

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361

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MathWorld website indexing problem in Graph Theory

QUESTION FROM: George Antoan | 23 days ago BY: George Antoan

Discrete Mathematics

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215

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A short arithmetic program producing four CODATA-level constants

QUESTION FROM: Tetsuya Momose | 1 month ago

Discrete Mathematics , Mathematics , Physics

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350

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Hat tile dynamics from dual-grid projection onto a fractal-subdivided torus

CONTRIBUTED BY: Johannes Martin | 14 days ago BY: Johannes Martin

Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...

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498

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Progress in the no-three-in-line-problem

CONTRIBUTED BY: Ed Pegg | 1 month ago BY: EDITORIAL BOARD

Staff Picks , Demonstrations , Discrete Mathematics , Geometry , ...

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543

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Two open problems about Leibnizian strings

CONTRIBUTED BY: Furkan Semih Dündar | 1 month ago BY: EDITORIAL BOARD

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

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388

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Information symmetry in complementary lattice dynamics

CONTRIBUTED BY: Dustin Sprenger | 2 months ago

Computational Systems , Computer Science , Discrete Mathematics , ...

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267

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The abc eraser: algebraic filtration and the emergence of universality

CONTRIBUTED BY: Ramón Eduardo Chan López | 2 months ago BY: EDITORIAL BOARD

Staff Picks , Algebra , Computational Systems , ...

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572

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Rule 110: conditional dynamics, the OR-XOR switch, and the structure of irreducibility

CONTRIBUTED BY: Ramón Eduardo Chan López | 2 months ago BY: Ramón Eduardo Chan López

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

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700

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Rule 30 exact binomial-Lucas lifting: boolean logic to integer coefficients, Stirling & support sets

CONTRIBUTED BY: Tigran Nersissian | 3 months ago BY: Tigran Nersissian

Staff Picks , Algebra , Computational Systems , ...

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970

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Hidden symmetry in permutation space

CONTRIBUTED BY: David Vasholz | 4 months ago BY: EDITORIAL BOARD

Staff Picks , Algebra , Discrete Mathematics , ...

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876

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From integers to art: fractal geometry of digit-sum parities

CONTRIBUTED BY: Sergio Quiroga | 4 months ago BY: Sergio Quiroga

Staff Picks , Discrete Mathematics , Geometry , ...

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1.2K

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Extended Rule-110 family via ANF over GF(2): prior art and validation of a factor onto Rule 110

QUESTION FROM: Tigran Nersissian | 4 months ago

Algebra , Computational Systems , Discrete Mathematics , ...

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537

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MGroups package: teaching finite group theory

CONTRIBUTED BY: Naman T. | 5 months ago BY: EDITORIAL BOARD

Staff Picks , Algebra , Discrete Mathematics , Education , ...

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800

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How to solve tectonic puzzles using graph theory

CONTRIBUTED BY: Alejandra Ortiz Duran | 5 months ago BY: EDITORIAL BOARD

Staff Picks , Computer Science , Discrete Mathematics , ...

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2.5K

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Patchwork with coexisting cellular automata

CONTRIBUTED BY: Phileas Dazeley-Gaist | 5 months ago BY: EDITORIAL BOARD

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

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Companion to "Base Fibonacci - Numberphile"

CONTRIBUTED BY: Shenghui Yang | 5 months ago BY: EDITORIAL BOARD

Staff Picks , Algebra , Discrete Mathematics , ...

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1.4K

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Visual explanation of the problem Putnam 2025 A3

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

Staff Picks , Discrete Mathematics , Game Development , ...

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2.8K

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