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15
Math.TechQA.Club
2026-03-25 18:47:38
231
Views
Uniqueness of smooth structures on submanifolds with boundary
Published on
25 Mar 2026 - 18:47
#smooth-manifolds
#submanifold
#manifolds-with-boundary
#diffeomorphism
201
Views
Intuitive understanding of inward and outward vector definitions
Published on
15 Mar 2026 - 16:46
#differential-geometry
#smooth-manifolds
#manifolds-with-boundary
163
Views
Boundary Orientation
Published on
26 Mar 2026 - 12:40
#differential-geometry
#differential-forms
#orientation
#manifolds-with-boundary
118
Views
Submanifold of ball is entire ball
Published on
15 Mar 2026 - 18:46
#manifolds
#smooth-manifolds
#manifolds-with-boundary
52
Views
Is the boundary of a set defined using a smooth function also smooth?
Published on
15 Mar 2026 - 23:00
#differential-geometry
#manifolds-with-boundary
94
Views
Confusion about notation for orientation of boundary
Published on
16 Mar 2026 - 10:47
#notation
#manifolds
#definition
#manifolds-with-boundary
19
Views
A Hilbert space which involves the boundary norm and interior norm?
Published on
16 Mar 2026 - 4:20
#functional-analysis
#partial-differential-equations
#manifolds-with-boundary
99
Views
Gluing two disks to get an exotic sphere
Published on
15 Mar 2026 - 16:34
#differential-geometry
#spheres
#manifolds-with-boundary
44
Views
Finishing proof concerning manifold boundary
Published on
15 Mar 2026 - 23:26
#general-topology
#manifolds
#geometric-topology
#manifolds-with-boundary
74
Views
Let $M=(\mathbb{S}^2\times [0,1])/\sim$, where $(p,0)\sim (-p, 1)$. Prove that M is a compact, differentiable manifold. Is it orientable?
Published on
25 Mar 2026 - 19:04
#differential-topology
#smooth-manifolds
#manifolds-with-boundary
#non-orientable-surfaces
30
Views
tangent vector of a disk embedded in R^3
Published on
26 Mar 2026 - 14:42
#geometry
#differential-geometry
#manifolds-with-boundary
#tangent-spaces
112
Views
Boundary case of adapted orthonormal frame exercise in Professor Lee's Introduction to Riemannian Manifolds (IRM)
Published on
26 Mar 2026 - 4:53
#differential-geometry
#riemannian-geometry
#smooth-manifolds
#manifolds-with-boundary
#diffeomorphism
90
Views
Cutting a disk with piecewise analytic curves
Published on
16 Mar 2026 - 3:16
#complex-analysis
#curves
#connectedness
#plane-curves
#manifolds-with-boundary
61
Views
Intersection number of submanifolds with boundary
Published on
23 Feb 2026 - 4:55
#algebraic-topology
#intersection-theory
#submanifold
#manifolds-with-boundary
#poincare-duality
100
Views
Issue about the definition on orientation on manifolds
Published on
26 Mar 2026 - 16:05
#definition
#differential-topology
#smooth-manifolds
#orientation
#manifolds-with-boundary
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