2023-11-11

The Structure of SL_2(F_3) as a Semidirect Product

Algebra / Group Theory

2023-10-21

A Separable Extension Is Solvable by Radicals Iff It Is Solvable

Algebra / Field Theory / Galois Theory

2023-09-18

Picard's Little Theorem and Twice-Punctured Plane

Analysis / Complex Analysis

2023-08-12

SL(2,R) As a Topological Space and Topological Group

Algebra / Group Theory / Topology / Lie Groups

2023-08-04

Important Posts of This Blog

2023-07-17

Artin's Theorem of Induced Characters

Algebra / Representation Theory / Linear Algebra / Finite Groups

2023-05-27

Chinese Remainder Theorem in Several Scenarios of Ring Theory

Algebra / Commutative Algebra / Non-commutative Algebra

2023-04-06

Projective Representations of SO(3)

Algebra / Representation Theory / Linear Algebra / Topology / Lie Groups / Algebraic Topology

2023-03-20

The Quadratic Reciprocity Law

Number Theory / Algebraic Number Theory / Elementary Number Theory

2023-02-13

Vague Convergence in Measure-theoretic Probability Theory - Equivalent Conditions

Analysis / Measure Theory / Probability Theory