Group Abstract Group Abstract

«Groups
Discrete Mathematics
Join
Permutations, group theory, discrete calculus, integer sequences, combinatorial optimization...

Discussions List Discussions List

Counting coprime pairs of the form (i, floor(n/i))

CONTRIBUTED BY: Darren Li | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Mathematics , ...
1
REPLIES
3.9K
VIEWS

Computational exploration of Ramanujan primes

CONTRIBUTED BY: Oliver Seipel | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
5.7K
VIEWS

Discrepancy Conjecture

CONTRIBUTED BY: Ed Pegg | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Discrete Mathematics , ...
1
REPLIES
10K
VIEWS

[WSS20] Evolution of (hyper)graph invariants under (hyper)graph rewritings

CONTRIBUTED BY: Maurizio Moreschi | 3 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
8K
VIEWS

Rational bracings of regular polygons

CONTRIBUTED BY: Jeremy Tan | 4 years ago BY: Jeremy Tan
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
5
REPLIES
8.2K
VIEWS

Casting Out 11s

CONTRIBUTED BY: Frank Kampas | 4 years ago BY: Jonathan Venezian
Discrete Mathematics , Mathematics , Symbolic Computations , ...
4
REPLIES
9.7K
VIEWS

Stifel's odd magic squares of any size (Arithmetica Integra 1544)

CONTRIBUTED BY: Oliver Seipel | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
7.4K
VIEWS

A simple multiway example: radioactive decay

CONTRIBUTED BY: Brad Klee | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Chemistry , Discrete Mathematics , ...
1
REPLIES
7.1K
VIEWS

880 magic squares of order 4 by Frenicle and Fitting

CONTRIBUTED BY: Oliver Seipel | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
8.8K
VIEWS

Smallest program that leads to each integer

CONTRIBUTED BY: Eric Parfitt | 4 years ago BY: Rohit Namjoshi
Staff Picks , Computational Systems , Computer Science , ...
3
REPLIES
15.8K
VIEWS

45-60-75 triangles in a square

CONTRIBUTED BY: Ed Pegg | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Discrete Mathematics , Geometry , ...
1
REPLIES
9.4K
VIEWS

Michael Stifel's Arithmetica Integra (1544) multiplicative magic square

CONTRIBUTED BY: Oliver Seipel | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
6.6K
VIEWS

Curious about connecting prime pi to prime big omega?

CONTRIBUTED BY: Fabian Wenger | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
7.6K
VIEWS

[GiF] Ceiling tower equal to a positive integer

CONTRIBUTED BY: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
8K
VIEWS

Formidable Ramanjujan formulas: tuples, partitions, and integers sums

CONTRIBUTED BY: Bill Gosper | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
5.9K
VIEWS

[WSC21] Nim With a Pass: a computational analysis

CONTRIBUTED BY: Arul Kolla | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
11.9K
VIEWS

Radix approach to solving the social golfer problem and graph visualization

CONTRIBUTED BY: Wanutcha Lorpaiboon | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
5.7K
VIEWS

Mnemonic conversion between kilometers and miles using Fibonacci ratios

CONTRIBUTED BY: Bill Gosper | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Mathematics , ...
1
REPLIES
6.8K
VIEWS

The reciprocal Fibonacci constant

CONTRIBUTED BY: Jonathan Kinlay | 4 years ago BY: Henrik Schachner
Staff Picks , Calculus , Discrete Mathematics , Mathematics , ...
2
REPLIES
8.9K
VIEWS

Find prime number closest to any integer (upper side)

CONTRIBUTED BY: Koichi Ohno | 4 years ago BY: Koichi Ohno
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
7.8K
VIEWS

[WSC21] Implementing many-valued logic in The Wolfram Language

CONTRIBUTED BY: Nika Chuzhoy | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
9.4K
VIEWS

Incidence matrix for a combinatorics problem

CONTRIBUTED BY: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
8.3K
VIEWS

The intriguing number 1/998001: exploration and visualization

CONTRIBUTED BY: Daniel Carvalho | 4 years ago BY: Daniel Carvalho
Staff Picks , Data Science , Discrete Mathematics , ...
5
REPLIES
11.1K
VIEWS

[WSS21] Finding zeros with domain coloring and winding numbers

CONTRIBUTED BY: Garrett Dubofsky | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Equation Solving , ...
1
REPLIES
6.8K
VIEWS

[WSS21] Gauge field theories on discrete principal fibre bundles

CONTRIBUTED BY: Matthew Maddock | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Geometry , Graphs and Networks , ...
1
REPLIES
7.9K
VIEWS

[WSS21] Towards discretizing metric-affine gravity via elastic hypergraphs

CONTRIBUTED BY: David Chester | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Geometry , Graphs and Networks , ...
1
REPLIES
7.2K
VIEWS

Elementary Cellular Automata for Feynman Checkerboards/Group Theory

CONTRIBUTED BY: John Gonsowski | 4 years ago BY: Rodrigo Obando
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
3
REPLIES
11.6K
VIEWS

Visualizing the 100 first factorials: 100!

CONTRIBUTED BY: Daniel Carvalho | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
7.9K
VIEWS

Pluses versus minuses: probabilistic analysis of the multiway system

CONTRIBUTED BY: Rauan Kaldybaev | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computational Systems , ...
1
REPLIES
6.7K
VIEWS

Schmidt arrangements: Mobius transformation application

CONTRIBUTED BY: Christophe Favergeon | 4 years ago BY: Christophe Favergeon
Staff Picks , Algebra , Discrete Mathematics , ...
10
REPLIES
15.9K
VIEWS

A miracle Sudoku discovery - duplicate bridge

CONTRIBUTED BY: Ed Pegg | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
4
REPLIES
16K
VIEWS

Using RunProcess to study lunar arithmetic on Numberphile

CONTRIBUTED BY: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
2
REPLIES
10K
VIEWS

Prime test and triangular numbers

CONTRIBUTED BY: Bill Gosper | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
6K
VIEWS

The primes of Fibonacci sequence: behavior and visualization

CONTRIBUTED BY: Daniel Carvalho | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Data Science , Discrete Mathematics , ...
1
REPLIES
9.4K
VIEWS

Heuristics and tricks in computational symbolic mathematics

CONTRIBUTED BY: David Stork | 4 years ago BY: Rohit Namjoshi
Algebra , Calculus , Discrete Mathematics , Equation Solving , ...
1
REPLIES
5.1K
VIEWS

[WWS21] Dimension Algorithm and Dimension Tensor in Wolfram Model

CONTRIBUTED BY: Zhenzhong Xing | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Graphics and Visualization , ...
1
REPLIES
7.3K
VIEWS

April Fool's day 2021 was near the start of π's continued fraction

CONTRIBUTED BY: Bill Gosper | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
6.2K
VIEWS

Comparing common dimension estimators for hypergraph

CONTRIBUTED BY: Rauan Kaldybaev | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer Science , Discrete Mathematics , ...
1
REPLIES
7.5K
VIEWS

A Mondrian art problem poster

CONTRIBUTED BY: Ed Pegg | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Geometry , ...
3
REPLIES
16.1K
VIEWS

Number series that never intersect

CONTRIBUTED BY: Luis Felipe Massena Misiec | 4 years ago
Algebra , Calculus , Discrete Mathematics , Mathematics , ...
0
REPLIES
2.7K
VIEWS

Toward a Foundation of Mathematics based on A New Kind of Science

CONTRIBUTED BY: José Manuel Rodríguez Caballero | 4 years ago BY: Richard Frost
Discrete Mathematics , Graphs and Networks , Mathematics , Physics , ...
15
REPLIES
8.4K
VIEWS

Visualize AMC 12 2014 A22

CONTRIBUTED BY: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
8.3K
VIEWS

Computational proof: every integer larger than 1 has a prime divisor

CONTRIBUTED BY: José Manuel Rodríguez Caballero | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
5.6K
VIEWS

Self-similar algebras in the framework of A New Kind of Science

CONTRIBUTED BY: José Manuel Rodríguez Caballero | 4 years ago BY: José Manuel Rodríguez Caballero
Algebra , Computational Systems , Discrete Mathematics , ...
2
REPLIES
6.9K
VIEWS

“Lucky fool” 2x2 matrix multiplication: finding all possible pairs with WL

CONTRIBUTED BY: Rauan Kaldybaev | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Computer-Based Maths , Discrete Mathematics , ...
5
REPLIES
13.2K
VIEWS

Using entropy to estimate the dimension of the Sierpinski triangle

CONTRIBUTED BY: Rauan Kaldybaev | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
6.2K
VIEWS

[WWS21] Defect movement in lattice rewriting systems

CONTRIBUTED BY: Keith Patarroyo | 4 years ago BY: Frederick Wu
Staff Picks , Discrete Mathematics , Graphs and Networks , ...
2
REPLIES
9.5K
VIEWS

The Math(s) Fix Conference Registration is Now Open!

CONTRIBUTED BY: Yaran Liang | 4 years ago BY: Yaran Liang
Computer-Based Maths , Discrete Mathematics , Education , ...
2
REPLIES
7.5K
VIEWS

The 2021 Problem

CONTRIBUTED BY: Ed Pegg | 4 years ago BY: F. Lai
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
3
REPLIES
12.6K
VIEWS

[WWS21] Geometric constructions in discrete non-integer dimensional spaces

CONTRIBUTED BY: Jean du Plessis | 4 years ago BY: Jean du Plessis
Staff Picks , Discrete Mathematics , Geometry , Graphs and Networks , ...
2
REPLIES
7.5K
VIEWS
1
2
3
4
5

Group Count Group Count

343 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
shenghuiy
Shenghui Yang
1 day ago
edp
Ed Pegg
6 days ago
dmcdonald
Dan McDonald
25 days ago
udqbpn
Eric Parfitt
1 month ago
gladishdean
Dean Gladish
20 days ago
girishprasad102
Girish Prasad
3 months ago
davivdsilva03
Davi Vieira da Silva
2 months ago

RELATED GROUPS RELATED GROUPS

RELATED GROUPS
Graphs and Networks 627 discussions 974 subscriptions
Graphics and Visualization 4K discussions 1K subscriptions
Wolfram Language 11K discussions 2K subscriptions
Staff Picks 1K discussions 806 subscriptions
Mathematics 6K discussions 4K subscriptions
Symbolic Computations 890 discussions 728 subscriptions
High-Performance Computing 241 discussions 722 subscriptions