Divide the infinite chess-board into countries, where squares in the same country are connected by edges.
Suppose two countries are adjacent if they touch either along an edge or at a corner.
What is the version of the four-colour theorem for this?
2026-03-26 04:35:20.1774499720
Chessboard four-colour theorem
147 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in RECREATIONAL-MATHEMATICS
- Good ideas for communicating the joy of mathematics to nine and ten year olds
- Who has built the house of Mason?
- Is there any tri-angle ?
- In what position , the dogs will reside?
- existence of solutions of $a^n+b^n+c^n=6^n$
- Sushi Go! and optimal passing strategy
- Cut the letter $M$ to obtain $9$ single triangles by drawing $3$ straight lines
- Tennis balls problem from John H Conway's "Genius At Play"
- The Heegner Polynomials
- 2018 January Challenge: Prove inequality in geometry problem
Related Questions in CHESSBOARD
- How many ways are there to get from one point to another on a (simple) chessboard?
- 12 1x2 dominoes are cut out of a chessboard. Is is true that one will always be able to cut a 1x3 rectangle from the remaning figure?
- Cover a 5x5 board with pentominos
- 8×8 chessboard with numbers in them and you are allowed to switch them
- How many ways can I put down two indistinguishable pieces on an ordinary $8 \times 8$ chessboard if they must either be in the same row or column?
- Parity of number of pieces on the black squares of a chessboard
- Square board game with overlapping square sub-parts
- Rooks on a Chessboard
- $5$ rooks on a $5\times 5$ chessboard
- $16$ rooks on a chess board.
Trending Questions
- Induction on the number of equations
- How to convince a math teacher of this simple and obvious fact?
- Find $E[XY|Y+Z=1 ]$
- Refuting the Anti-Cantor Cranks
- What are imaginary numbers?
- Determine the adjoint of $\tilde Q(x)$ for $\tilde Q(x)u:=(Qu)(x)$ where $Q:U→L^2(Ω,ℝ^d$ is a Hilbert-Schmidt operator and $U$ is a Hilbert space
- Why does this innovative method of subtraction from a third grader always work?
- How do we know that the number $1$ is not equal to the number $-1$?
- What are the Implications of having VΩ as a model for a theory?
- Defining a Galois Field based on primitive element versus polynomial?
- Can't find the relationship between two columns of numbers. Please Help
- Is computer science a branch of mathematics?
- Is there a bijection of $\mathbb{R}^n$ with itself such that the forward map is connected but the inverse is not?
- Identification of a quadrilateral as a trapezoid, rectangle, or square
- Generator of inertia group in function field extension
Popular # Hahtags
second-order-logic
numerical-methods
puzzle
logic
probability
number-theory
winding-number
real-analysis
integration
calculus
complex-analysis
sequences-and-series
proof-writing
set-theory
functions
homotopy-theory
elementary-number-theory
ordinary-differential-equations
circles
derivatives
game-theory
definite-integrals
elementary-set-theory
limits
multivariable-calculus
geometry
algebraic-number-theory
proof-verification
partial-derivative
algebra-precalculus
Popular Questions
- What is the integral of 1/x?
- How many squares actually ARE in this picture? Is this a trick question with no right answer?
- Is a matrix multiplied with its transpose something special?
- What is the difference between independent and mutually exclusive events?
- Visually stunning math concepts which are easy to explain
- taylor series of $\ln(1+x)$?
- How to tell if a set of vectors spans a space?
- Calculus question taking derivative to find horizontal tangent line
- How to determine if a function is one-to-one?
- Determine if vectors are linearly independent
- What does it mean to have a determinant equal to zero?
- Is this Batman equation for real?
- How to find perpendicular vector to another vector?
- How to find mean and median from histogram
- How many sides does a circle have?