Diophantine sets. Preliminaries
Pąk, Karol
Diophantine Sets. Part II
Pąk, Karol
The Rotation Group
Pąk, Karol
Bertrand’s Ballot Theorem
Pąk, Karol
Vieta’s Formula about the Sum of Roots of Polynomials
Korniłowicz, Artur, Pąk, Karol
Linear Map of Matrices
Pąk, Karol
The Friendship Theorem
Pąk, Karol
Solutions of Linear Equations
Pąk, Karol
Eigenvalues of a Linear Transformation
Pąk, Karol
Affine Independence in Vector Spaces
Pąk, Karol
Jordan Matrix Decomposition
Pąk, Karol
Sperner's Lemma
Pąk, Karol