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user267839
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18
Exercise 1.24 from Joe Harris' Algebraic Geometry: First Course
Jun 6, 2021
15
Meaning of "holes" counted by homology groups
Sep 3, 2021
14
Cover Chessboard with Domino Tiles
Dec 25, 2018
12
What's the intuitive, geometric meaning of torsion in homology groups
Sep 22, 2018
12
Geometric intuition for torsion in $H_{2}$ of non-orientable $3$-manifold
Sep 22, 2018
11
Injective Modules Motivation & Intuition
Feb 25, 2021
9
In the differential geometric view of Hamiltonian mechanics, why do the phase space coordinates come from the cotangent bundle $T^* Q$?
Jan 9, 2019
9
Fundamental Group of the Long Line
Dec 23, 2021
9
Prove that a certain Group is Abelian
Oct 7, 2021
9
Products and Sums of Sheaves
Oct 31, 2017
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16
Magic behind idempotent-complete categories a.k.a. why (sometimes) be Karoubian is sexier than be Abelian
13
Sheaf of relative Kähler differentials intuitively
13
What is so 'coloured' on Chromatic Homotopy Theory
12
Motivation for Henselian rings in algebraic geometry
12
Monad in Haskell programming vs. Monad in category theory