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Explore unsolved problems organized by mathematical domain

Properties of integers, prime numbers, Diophantine equations.

Counting problems, graph theory, discrete structures.

Problems involving graphs, networks, and their properties.

Group theory, ring theory, field theory, and algebraic structures.

Geometric objects defined by polynomial equations.

Euclidean and non-Euclidean geometry, geometric structures.

Properties preserved under continuous deformations.

Limits, continuity, calculus, and function theory.

PDEs and their applications in physics and geometry.

Foundations of mathematics, infinite sets, and cardinality.

Computational complexity, algorithms, and theoretical CS.

Problems at the intersection of mathematics and physics.