Planes and Spheres as Topological Manifolds. Stereographic Projection
Riccardi, Marco
Categorical Pullbacks
Riccardi, Marco
Exponential Objects
Riccardi, Marco
The Sylow Theorems
Riccardi, Marco
The Borsuk-Ulam Theorem
Korniłowicz, Artur, Riccardi, Marco
Free Magmas
Riccardi, Marco
The Definition of Topological Manifolds
Riccardi, Marco
Object-Free Definition of Categories
Riccardi, Marco
Fundamental Group of n-sphere for n ≥ 2
Riccardi, Marco, Korniłowicz, Artur
Solution of Cubic and Quartic Equations
Riccardi, Marco
The Perfect Number Theorem and Wilson's Theorem
Riccardi, Marco
The Jordan-Hölder Theorem
Riccardi, Marco