De Omnibus Dubitandum

For A Ruthless Criticism of Everything Existing

Higher Homotopy Groups

10 min read · November 18, 2023

2023 · frankel
Homotopy, Extension, and some topology of SU(N)

5 min read · November 18, 2023

2023 · Geometry frankel
Categorical Equivalence and the Renormalization Group

6 min read · November 18, 2023

2023 · categoryTheory geometry
Curvature and Winding Number

9 min read · November 16, 2023

2023 · geometry frankel topology
Note on Numerical Methods in Solving ODE

22 min read · October 31, 2023

2023
The Fundamental Group and Covering Spaces

6 min read · October 30, 2023

2023 · geometry frankel
Bi-invariant Forms on Compact Groups

6 min read · October 29, 2023

2023 · geometry differentialForms frankel
The Poincare Duality

12 min read · October 26, 2023

2023 · duality
Noether's Principal

8 min read · October 23, 2023

2023 · geometry frankel
Lecture Notes on Mathematics in Economics

60 min read · October 9, 2023

2023 · lectureNote mathematicalEconomics