New in MathWorld -- June 2026
Tuesday June 30, 2026
- Boolean Lattice
- Sperner's Lemma (modified)
- Sperner's Theorem (modified)
Monday June 29, 2026
- Coprime Graph (modified)
- Voltage Graph (modified)
Sunday June 28, 2026
- Alternating Factorial (modified)
- Small World Network
Saturday June 27, 2026
- Color Coding
- Colorful Cycle
- Colorful Cycle Problem
- Colorful Subgraph
- Coprime Graph
- Diamond Graph (modified)
- Dipyramidal Graph (modified)
- Erdős Graph (modified)
- Erdős Sequence (modified)
- Gosper Island (modified)
- Rainbow Cycle
- Rainbow Subgraph
- Triangle Graph (modified)
- Tropical Cycle
- Tropical Subgraph
- Vertex-Colored Graph
- Vertex Coloring (modified)
Friday June 26, 2026
- Biclique Cover
- Biclique Cover Number
- Bipartite Dimension
- Edge Cover (modified)
- Löschian Number (modified)
- Rooted Forest
- Rooted Tree (modified)
- Tree-Depth
- Tree Depth
- Tree Height (modified)
- Tree Number (modified)
Thursday June 25, 2026
- Hexagonal Grid (modified)
- Hexagonal Lattice
- Löschian Number
- No-Three-in-a-Line Problem (modified)
- Triangular Lattice
- Twinplex Graph (modified)
Monday June 22, 2026
- Hadwiger Conjecture (modified)
- No-Three-in-a-Line Problem (modified)
Thursday June 18, 2026
- No-Three-in-a-Line Problem (modified)
Tuesday June 16, 2026
- Graph Tensor Product (modified)
- Rook Complement Graph (modified)
Saturday June 13, 2026
- Geometric Graph (modified)
- McLaughlin Geometry (modified)
- Partial Geometry (modified)
- Pseudogeometric Graph
- Strongly Regular Graph (modified)
Friday June 12, 2026
- Collinearity Graph
- Incidence Structure
- Levi Graph (modified)
- McLaughlin Geometry
- McLaughlin Graph (modified)
- Partial Geometry
- Point Graph
Thursday June 11, 2026
- Alternating Harmonic Number
- Hall Graph (modified)
- Hamiltonian Walk (modified)
- Harmonic Number (modified)
- McGregor Map (modified)
- Partition Function P (modified)
Wednesday June 10, 2026
- Hall Graph (modified)
Tuesday June 9, 2026
Monday June 8, 2026
- Bipartite Graph (modified)
- Bipartition Class
- Fork Graph (modified)
- Giraffe Graph (modified)
- Hamiltonian Graph (modified)
- Hamiltonian Path (modified)
- Matching Number (modified)
- Nonhamiltonian Graph (modified)
- Padovan Sequence (modified)
- Spikey (modified)
- Spoke Graph (modified)
- Traceable Graph (modified)
- Tribonacci Number (modified)
- Tribonacci Sequence (modified)
- Untraceable Graph (modified)
Sunday June 7, 2026
- Arborescence (modified)
- BEST Theorem
- Complete Bipartite Graph (modified)
- de Bruijn-van Aardenne-Ehrenfest-Smith-Tutte Theorem
- Eulerian Cycle (modified)
- Eulerian Digraph (modified)
- Kautz Graph (modified)
- Pósa Rotation
- Random Graph (modified)
Saturday June 6, 2026
Friday June 5, 2026
- Computational Irreducibility (modified)
- Dijkstra's Algorithm (modified)
- Double Mersenne Number (modified)
- Finite Automaton
- Finite State Machine
- Integer Sequence Primes (modified)
- Iterated Prisoner's Dilemma
- Multiway Graph (modified)
- Padovan Prime
- Padovan Sequence (modified)
- Palindromic Prime (modified)
- Prisoner's Dilemma (modified)
- Shortest Path Problem (modified)
- Strategy (modified)
- Tit-for-Tat (modified)
Thursday June 4, 2026
- Fibonacci Prime (modified)
- Integer Sequence Primes (modified)
- Padovan Number
- Padovan Sequence (modified)
- Pell Number (modified)
- Pell Prime
- Perrin Number (modified)
- Perrin Prime
- Perrin Pseudoprime (modified)
- Perrin Sequence (modified)
Wednesday June 3, 2026
- Marion's Theorem (modified)
- Marion Walter's Theorem
- Morgan's Theorem (modified)
- Quantum Chromatic Number (modified)
Tuesday June 2, 2026
Monday June 1, 2026
- e-Prime (modified)
- Hilbert Transform (modified)
- Inverse Fourier Transform
- Inverse Hilbert Transform (modified)
- Poisson Theorem (modified)
[ 2026 ▪ 2025 ▪ 2024 ▪ 2023 ▪ 2022 ▪ 2021 ▪ 2020 ▪ 2019 ▪ 2018 ▪ 2017 ▪ 2016 ▪ 2015 ▪ 2014 ▪ 2013 ▪ 2012 ▪ 2011 ▪ 2010 ▪ 2009 ▪ 2008 ▪ 2007 ▪ 2006 ▪ 2005 ▪ 2004 ▪ 2003 ▪ 2002 ▪ 2001 ▪ 2000 ▪ 1999 ]