poisson geometry : Math Help

How to find whether equation of angle bisector represents the obtuse or acute angle bisector of two given straight lines?

analytic-geometry
Updated October 20, 2019 05:20 AM

Vector bundle orientable if and only if determinant bundle is (Bott and Tu Prop. 11.4)

differential-geometry differential-topology vector-bundles
Updated October 20, 2019 04:20 AM

Elliptic curves twisted by a quadratic character

elliptic-curves arithmetic-geometry galois-representations
Updated October 20, 2019 03:20 AM

Trace map from finite surjective morphism of normal irreducible varieties

abstract-algebra algebraic-geometry
Updated October 20, 2019 03:20 AM

If $M,N$ are smooth manifolds with corners, why $M\times N$ is also a manifold with corners? (Lee's Introduction to Smooth Manifolds problem 16.7)

differential-geometry manifolds differential-topology smooth-manifolds manifolds-with-boundary
Updated October 20, 2019 03:20 AM

Proof of Darboux theorem in symplectic geometry using Moser theorem

differential-geometry smooth-manifolds symplectic-geometry
Updated October 20, 2019 01:20 AM

How does a linear operator having constant eigenvalues imply integrability of its eigenvector distribution?

linear-algebra differential-geometry lie-algebras
Updated October 20, 2019 01:20 AM

Formulas to diagonally divide a square in four triangles

geometry
Updated October 20, 2019 00:20 AM

understanding force couples mathematically

geometry classical-mechanics
Updated October 20, 2019 00:20 AM

How to calculate the derivative of a diﬀeomorphisms map?

differential-geometry pde ricci-flow diffeomorphism
Updated October 19, 2019 23:20 PM

If we have a triangle floating in $\mathbb{R}^3$, can we calculate the surface area based on projections to the $(x,y)$ and $(y,z)$ planes?

calculus geometry differential-geometry projective-geometry
Updated October 19, 2019 18:20 PM

Can anyone prove this function is concave?

convex-analysis convex-optimization convex-geometry
Updated October 19, 2019 16:20 PM

Finding Variance of Z = X + $\sum\limits_{i=1}^{X}Y_i$

probability-theory generating-functions poisson-distribution
Updated October 19, 2019 16:20 PM

$\rho_t:M\to M$ isotopy with $\rho_t^\omega_1=\omega_0\Rightarrow [\rho_t^\omega_1]=[\omega_0]\in H_{\text{dR}}^2(M)$

differential-geometry symplectic-geometry de-rham-cohomology
Updated October 19, 2019 15:20 PM

Extension of a non-stable two-dimensional vector bundle

algebraic-geometry complex-geometry vector-bundles
Updated October 19, 2019 14:20 PM

A differentiable vector field over the torus and a correlated interesting question

differential-geometry vector-fields parametrization
Updated October 19, 2019 13:20 PM

The Weingarten map in three dimensions

calculus differential-geometry surfaces curves
Updated October 19, 2019 13:20 PM

Galois extension of $Q_p$

algebraic-number-theory p-adic-number-theory arithmetic-geometry
Updated October 19, 2019 12:20 PM

Points X, Y are taken on the sides CA, AB of triangle ABC if BX, CY meet at P and AX/XC =BY/YA $=1/2$, find the value of the ratio BP/PX.

geometry euclidean-geometry
Updated October 19, 2019 12:20 PM

Circle With Radius Problem

geometry circles
Updated October 19, 2019 09:20 AM

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