Combinatorics

43 entries

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• Grid designs
  • Published in 2026
  • Added on 2026-03-01
• Incomplete Open Platonic Solids
  • Published in 2026
  • Added on 2026-02-26
• Parking cars of different sizes
  • Published in 2017
  • Added on 2026-02-11
• Solving Rush Hour, the Puzzle
  • Published in 2018
  • Added on 2023-03-22
• Foldings and Meanders
  • Published in 2013
  • Added on 2023-03-22
• The Packing Chromatic Number of the Infinite Square Grid is 15
  • Published in 2023
  • Added on 2023-01-26
• A note on the Screaming Toes game
  • Published in 2020
  • Added on 2022-04-24
• Database of Permutation Pattern Avoidance
  • Published in 2011
  • Added on 2022-02-16
• FindStat
  • Published in 2019
  • Added on 2022-02-16
• Fibbinary Zippers in a Monoid of Toroidal Hamiltonian Cycles that Generate Hilbert-Style Square-Filling Curves
  • Published in 2022
  • Added on 2021-12-08
• Bell-ringing methods as polyhedra
  • Published in 2015
  • Added on 2021-11-20
• A Self-Referential Property of Zimin Words
  • Published in 2016
  • Added on 2021-03-31
• The Amazing $3^n$ Theorem and its even more Amazing Proof [Discovered by Xavier G. Viennot and his École Bordelaise gang]
  • Published in 2012
  • Added on 2021-03-15
• Counting Candy Crush Configurations
  • Published in 2019
  • Added on 2021-01-06
• Fertility Numbers
  • Published in 2018
  • Added on 2020-10-16
• Parking Functions: Choose Your Own Adventure
  • Published in 2020
  • Added on 2020-09-21
• 38406501359372282063949 & all that: Monodromy of Fano Problems
  • Published in 2020
  • Added on 2020-05-06
• Word calculus in the fundamental group of the Menger curve
  • Published in 2013
  • Added on 2020-05-02
• Finding a princess in a palace: A pursuit-evasion problem
  • Published in 2012
  • Added on 2019-10-08
• Catching a mouse on a tree
  • Published in 2015
  • Added on 2019-10-08
• How to Hunt an Invisible Rabbit on a Graph
  • Published in 2015
  • Added on 2019-10-08
• Percolation is Odd
  • Published in 2019
  • Added on 2019-09-14
• Noncrossing partitions under rotation and reflection
  • Published in 2005
  • Added on 2018-10-27
• Enumeration of m-ary cacti
  • Published in 1998
  • Added on 2018-10-23
• A surprisingly simple de Bruijn sequence construction
  • Published in 2016
  • Added on 2018-06-25
• The Rearrangement Number
  • Published in 2016
  • Added on 2018-05-16
• Exact Enumeration of Garden of Eden Partitions
  • Published in 2006
  • Added on 2018-05-13
• Playing Games with Algorithms: Algorithmic Combinatorial Game Theory
  • Published in 2001
  • Added on 2018-01-23
• The mathematics of lecture hall partitions
  • Published in 2016
  • Added on 2017-03-08
• Transfinite Version of Welter's Game
  • Published in 2017
  • Added on 2017-02-06
• Plane partitions in the work of Richard Stanley and his school
  • Published in 2015
  • Added on 2017-02-06
• Two remarks on even and oddtown problems
  • Published in 2016
  • Added on 2016-10-27
• The Nesting and Roosting Habits of The Laddered Parenthesis
  • Published in 1973
  • Added on 2016-09-23
• De Bruijn's Combinatorics
  • Published in 2012
  • Added on 2016-02-05
• The Theory of Heaps and the Cartier-Foata Monoid
  • Published in 2006
  • Added on 2015-12-03
• A combinatorial theorem in plane geometry
  • Published in 1975
  • Added on 2015-02-23
• Enumeration of symmetry classes of convex polyominoes on the honeycomb lattice
  • Published in 2005
  • Added on 2015-02-02
• Bells, Motels and Permutation Groups
  • Published in 2012
  • Added on 2014-12-17
• An arctic circle theorem for groves
  • Published in 2004
  • Added on 2014-07-01
• LIM is not slim
  • Published in 2013
  • Added on 2014-06-11
• Nim Fractals
  • Published in 2014
  • Added on 2014-06-05
• On the diagram of 132-avoiding permutations
  • Published in 2003
  • Added on 2014-03-31
• Plane recursive trees, Stirling permutations and an urn model
  • Published in 2008
  • Added on 2010-02-25