KarlPeter
  • Member for 4 years, 8 months
  • Last seen more than a month ago
1 answers
13 votes
2k views
7 bookmarks
Cover Chessboard with Domino Tiles
1 answers
10 votes
2k views
11 bookmarks
Geometric intuition for torsion in $H_{2}$ of non-orientable $3$-manifold
1 answers
8 votes
416 views
5 bookmarks
In the differential geometric view of Hamiltonian mechanics, why do the phase space coordinates come from the cotangent bundle $T^* Q$?
0 answers
8 votes
954 views
4 bookmarks
What's the intuitive, geometric meaning of torsion in homology groups
2 answers
7 votes
523 views
2 bookmarks
Intersection Theory on a Surface
2 answers
7 votes
1k views
5 bookmarks
Degree of Map between Spheres
1 answers
7 votes
523 views
4 bookmarks
Degree of a Projective Curve
2 answers
5 votes
414 views
6 bookmarks
Homotopy Groups of $S^l \vee S^k$
2 answers
5 votes
2k views
5 bookmarks
Fundamental Group of a Quotient under Group Action
1 answers
5 votes
292 views
Questions about Formal Schemes
0 answers
5 votes
413 views
1 bookmarks
Tangent Space and Dual Numbers
1 answers
5 votes
82 views
1 bookmarks
Question about Etale Sheaves
2 answers
5 votes
741 views
3 bookmarks
$\mathfrak a$-adic Completion of a Ring is Flat
1 answers
5 votes
285 views
2 bookmarks
Application Hilbert's Nullstellensatz for $k$-algebra of finite type
1 answers
5 votes
210 views
Local ring after adjoining a root
1 answers
5 votes
515 views
1 bookmarks
General Linear Group $GL_n(\mathbb{Z})$ of Integers is finitely generated
2 answers
5 votes
1k views
1 bookmarks
Algebraic Field Extension of Finite Field
0 answers
5 votes
111 views
Quasi-Coherence of $Hom$ Sheaf
0 answers
5 votes
273 views
1 bookmarks
Equivalent Definitions of Twisted Sheaf $ \mathcal {O}(1)$
1 answers
5 votes
2k views
4 bookmarks
Products and Sums of Sheaves
2 answers
4 votes
3k views
2 bookmarks
Linear Combination independent Random Variables
2 answers
4 votes
863 views
5 bookmarks
Vector Bundle Locally Free Sheaf
0 answers
4 votes
1k views
2 bookmarks
Pullback of a Global Section
1 answers
4 votes
138 views
Fibration preserved by Base Change to Generic Fiber
1 answers
4 votes
284 views
3 bookmarks
Global Sections of Blow Up
0 answers
4 votes
40 views
Lifting of $K$-valued Points $X(K)$ over Valuation Ring $\mathcal{O}$
0 answers
4 votes
164 views
1 bookmarks
Normalization of Projective Scheme is Projective
1 answers
4 votes
454 views
3 bookmarks
Finite Morphism is Closed and Open
1 answers
4 votes
304 views
2 bookmarks
Generalisation of Hilbert's 90 Theorem
1 answers
4 votes
87 views
Cobordism Groups of Smooth Closed Manifolds
1
2 3 4 5
16