Problems
Classical mathematical problems, identified by magazine number (01 to 10)
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Games and Challenges
Dual space: linear forms and duality | Tangente
Mar 16, 2026
Games and Challenges
Lebesgue spaces Lp: integrable functions | Tangente
Mar 16, 2026
Games and Challenges
Sobolev spaces and partial derivatives | Tangente
Mar 16, 2026
Games and Challenges
Hilbert space: complete inner product space | Tangente
Mar 16, 2026
Games and Challenges
Banach space: complete normed space | Tangente
Mar 16, 2026
Games and Challenges
Baire space and completeness theorem | Tangente
Mar 16, 2026
Games and Challenges
Convex space: definition and properties | Tangente
Mar 16, 2026
Games and Challenges
Affine space: definition and axioms | Tangente
Mar 16, 2026
Math for everyone
Captain's age effect: learning to reason | Tangente
Mar 16, 2026
Games and Challenges
Duodecim Scripta, ancestor of backgammon | Tangente
Mar 16, 2026
History and Culture
Henry Dudeney, master of mathematical puzzles | Tangente
Mar 16, 2026
Games and Challenges
Dodgem: a combinatorial strategy game | Tangente
Mar 16, 2026
Games and Challenges
Dihedron in geometry: angle between two half-planes | Tangente
Mar 16, 2026
Games and Challenges
Divergence of a sequence: definition | Tangente
Mar 16, 2026
Games and Challenges
Harmonic range in projective geometry | Tangente
Mar 16, 2026
Games and Challenges
Divergence of a vector field: definition | Tangente
Mar 16, 2026
Games and Challenges
Dilation in linear algebra: definition | Tangente
Mar 16, 2026