New posts in manifolds

frustrating experience about differential geometry

differential-geometry manifolds riemannian-geometry

Graph of a continuous function is a smooth manifold? [duplicate]

general-topology manifolds smooth-manifolds

What are the 8 non-compact Euclidean 3-manifolds?

manifolds geometric-topology

A Banach Manifold with a Riemannian Metric?

soft-question inner-products manifolds

Does there exist a $4$-dimensional contractible open manifold that is not homeomorphic to $\Bbb{R}^4$?

manifolds

Can (singular) homology classes always be represented by images of closed manifolds?

algebraic-topology manifolds homology-cohomology

"Why" is $\mathbb{CP}^2\mathbin{\#}\mathbb{CP}^2$ not homeomorphic to $\mathbb{CP}^2\mathbin{\#}\overline{\mathbb{CP}^2}$?

general-topology algebraic-topology manifolds differential-topology smooth-manifolds

Finitely generated singular homology

algebraic-topology manifolds homology-cohomology compact-manifolds

Is paralellizability a topological invariant (Invariant under homemorphism)

general-topology manifolds vector-bundles topological-k-theory

Manifold interpretation of Navier-Stokes equations

differential-geometry ordinary-differential-equations manifolds

How many dimensions does a circle have?

general-topology manifolds circles

Are manifold subsets that are immersed submanifolds (regular/embedded) submanifolds?

general-topology differential-geometry manifolds differential-topology submanifold

Poincaré lemma for star shaped domain

manifolds

is triangle a manifold?

manifolds

Boundaries of Manifolds Necessarily Orientable

differential-topology manifolds

Smooth structure on the topological space

general-topology differential-topology manifolds

The double cone is not a surface.

geometry analysis algebraic-geometry differential-geometry manifolds

Is there any noncompact manifold with the fixed point property?

manifolds differential-topology smooth-manifolds fixed-point-theorems fixed-points

Connected sum of one manifold WITH boundary with a manifold WITHOUT boundary

general-topology manifolds surgery-theory

Why restrict to complex Lie algebras?

manifolds lie-groups lie-algebras complex-manifolds