New posts in geometry

Analytic Center of Convex Polytope

geometry markov-chains linear-programming sampling polytopes

Rotate a point on a circle with known radius and position

calculus geometry circles

Smallest Circumcircle of Three Triangles

Lines in upper half-space

geometry galois-theory hyperbolic-geometry

Is it always possible to cut disjoint 0.359 of two rectangles?

geometry rectangles

Generalizing Archimedes' "The Quadrature of the Parabola"

calculus integration geometry ordinary-differential-equations integral-equations

Is there a relationship between $e$ and the sum of $n$-simplexes volumes?

geometry intuition sequences-and-series

What is $f(x, y) = |x| - |y|$ called?

Four kissing circles

geometry contest-math

Finding rotation of 3 given lines in 3D until intersection with 3 other given lines

calculus linear-algebra matrices geometry rotations

Can you write a non-piecewise equation that describes an arbitrary shape?

geometry algebra-precalculus graphing-functions plane-curves

Given a drawing of an ellipse is there any geometric construction we can do to find it's foci?

geometry conic-sections

Convex and conic hull, geometric interpretation

geometry convex-analysis

for any acute triangle $ABC:\cos^3 (A)+ \cos^3 (B)+\cos^3 (C)+\cos(A)\cdot\cos(B)\cdot\cos(C)\ge\frac{1}{2} $

geometry trigonometry inequality

Maximum number of points at distance exactly one where distance between points is at least 1

geometry graph-theory

Perpendicular on a line segment from a given point

math 3d geometry

Dimensions and Space-filling curves

calculus general-topology geometry

Locus using Euclidean geometry

geometry vectors euclidean-geometry locus

Geometric meaning of a matrix decomposed into its symmetric and skew-symmetric parts

linear-algebra geometry classical-mechanics

Minimum number of circles with 3 neighbors

geometry circles combinatorial-geometry extremal-combinatorics