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

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Unit distance graph animations

CONTRIBUTED BY: Anton Antonov | 13 hours ago BY: Anton Antonov
Staff Picks , Discrete Mathematics , Geometry , ...
2
REPLIES
239
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[WSS22] Implementing fusible numbers

CONTRIBUTED BY: Ranel Pärna | 3 days ago BY: Matt Diamond
Discrete Mathematics , Graphics and Visualization , ...
2
REPLIES
7.6K
VIEWS

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

CONTRIBUTED BY: Johannes Martin | 4 days ago BY: Johannes Martin
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
2
REPLIES
328
VIEWS

MathWorld website indexing problem in Graph Theory

QUESTION FROM: George Antoan | 13 days ago BY: George Antoan
Discrete Mathematics
2
REPLIES
139
VIEWS

A short arithmetic program producing four CODATA-level constants

QUESTION FROM: Tetsuya Momose | 21 days ago
Discrete Mathematics , Mathematics , Physics
0
REPLIES
254
VIEWS

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

CONTRIBUTED BY: Ed Pegg | 25 days ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Discrete Mathematics , Geometry , ...
1
REPLIES
430
VIEWS

Two open problems about Leibnizian strings

CONTRIBUTED BY: Furkan Semih Dündar | 30 days ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
305
VIEWS

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 , ...
1
REPLIES
514
VIEWS

Information symmetry in complementary lattice dynamics

CONTRIBUTED BY: Dustin Sprenger | 2 months ago
Computational Systems , Computer Science , Discrete Mathematics , ...
0
REPLIES
222
VIEWS

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 , ...
3
REPLIES
644
VIEWS

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 , ...
3
REPLIES
888
VIEWS

Hidden symmetry in permutation space

CONTRIBUTED BY: David Vasholz | 4 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , ...
3
REPLIES
815
VIEWS

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 , ...
2
REPLIES
1.1K
VIEWS

Numerically 2026 is unremarkable yet happy: semiprime with primitive roots

CONTRIBUTED BY: Anton Antonov | 4 months ago BY: Srinivasa Raghava
Staff Picks , Algebra , Discrete Mathematics , ...
7
REPLIES
6.3K
VIEWS

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 , ...
0
REPLIES
494
VIEWS

MGroups package: teaching finite group theory

CONTRIBUTED BY: Naman T. | 5 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , Education , ...
1
REPLIES
746
VIEWS

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 , ...
2
REPLIES
2.3K
VIEWS

Patchwork with coexisting cellular automata

CONTRIBUTED BY: Phileas Dazeley-Gaist | 5 months ago BY: EDITORIAL BOARD
Staff Picks , Computational Systems , Discrete Mathematics , ...
1
REPLIES
958
VIEWS

Companion to "Base Fibonacci - Numberphile"

CONTRIBUTED BY: Shenghui Yang | 5 months ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , ...
1
REPLIES
1.3K
VIEWS

Visual explanation of the problem Putnam 2025 A3

CONTRIBUTED BY: Shenghui Yang | 6 months ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Game Development , ...
1
REPLIES
2.6K
VIEWS
1
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351 Discussions

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ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
antononcube
Anton Antonov
13 hours ago
nazmy2
George Antoan
13 days ago
ttkmomo
Tetsuya Momose
18 days ago
p6majo
Johannes Martin
4 days ago
edp
Ed Pegg
11 days ago
fsemihdundar
Furkan Semih Dündar
1 month ago
dustinsprenger
Dustin Sprenger
24 days ago

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