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Problems

Classical mathematical problems, identified by magazine number (01 to 10)

Integer points on a line: methods of solution
Knowledge

Integer points on a line: methods of solution

Many problems in discrete geometry are simply stated and can be used in teaching to make certain concepts easier to understand. Searching for points with integer coordinates on a line naturally leads to applications of theorems from number theory.

Denise GrenierApr 22, 2026
Flexagon: a structure with hidden faces | Tangente
Math for everyone

Flexagon: a structure with hidden faces | Tangente

Mar 16, 2026
Flavius Josephus and the Josephus problem | Tangente
History and Culture

Flavius Josephus and the Josephus problem | Tangente

Mar 16, 2026
flexacube: eight cubes, twelve faces | Tangente
Math for everyone

flexacube: eight cubes, twelve faces | Tangente

Mar 16, 2026
Magic figures: squares and stars | Tangente
Math for everyone

Magic figures: squares and stars | Tangente

Mar 16, 2026
Linearly independent families and linear independence in algebra | Tangente
Games and Challenges

Linearly independent families and linear independence in algebra | Tangente

Mar 16, 2026
Spanning family of a vector space | Tangente
Games and Challenges

Spanning family of a vector space | Tangente

Mar 16, 2026
Subfamily of vectors in linear algebra | Tangente
Games and Challenges

Subfamily of vectors in linear algebra | Tangente

Mar 16, 2026
Sperner family and maximum antichain | Tangente
Games and Challenges

Sperner family and maximum antichain | Tangente

Mar 16, 2026
Homographic pencils and cross ratio | Tangente
Games and Challenges

Homographic pencils and cross ratio | Tangente

Mar 16, 2026
Harmonic pencil and harmonic range | Tangente
Games and Challenges

Harmonic pencil and harmonic range | Tangente

Mar 16, 2026
Pencil of lines: affine and projective | Tangente
Games and Challenges

Pencil of lines: affine and projective | Tangente

Mar 16, 2026
Pencil of conics: quadratic curves | Tangente
Games and Challenges

Pencil of conics: quadratic curves | Tangente

Mar 16, 2026
pencil of circles and radical axis in geometry | Tangente
Games and Challenges

pencil of circles and radical axis in geometry | Tangente

Mar 16, 2026
Compact vector space: topology and compactness | Tangente
Games and Challenges

Compact vector space: topology and compactness | Tangente

Mar 16, 2026
Vector space: foundation of linear algebra | Tangente
Games and Challenges

Vector space: foundation of linear algebra | Tangente

Mar 16, 2026
Connected metric space: topology | Tangente
Games and Challenges

Connected metric space: topology | Tangente

Mar 16, 2026
Probability space: sample space, σ-algebra and measure | Tangente
Games and Challenges

Probability space: sample space, σ-algebra and measure | Tangente

Mar 16, 2026
compact metric space: compactness | Tangente
Games and Challenges

compact metric space: compactness | Tangente

Mar 16, 2026
Locally compact space in topology | Tangente
Games and Challenges

Locally compact space in topology | Tangente

Mar 16, 2026