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15
Math.TechQA.Club
2026-04-12 06:44:05
382
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Proof for the existence of a second fixed point in Poincaré's last geometric theorem
Published on
12 Apr 2026 - 6:44
#algebraic-topology
#dynamical-systems
#fixed-point-theorems
#symplectic-geometry
#billiards
4.6k
Views
Launching billiard balls at 45 degree angles and bouncing of off edges.
Published on
25 Feb 2026 - 19:04
#number-theory
#billiards
210
Views
Infinitely many triangular numbers which are of form $n^2-1$
Published on
03 Apr 2026 - 10:04
#square-numbers
#billiards
92
Views
About a theorem by Mather on smooth convex billiards
Published on
25 Feb 2026 - 19:03
#differential-geometry
#reference-request
#algebraic-topology
#billiards
767
Views
Polygonal billiards and uniform distribution
Published on
25 Feb 2026 - 19:01
#dynamical-systems
#random
#billiards
227
Views
Number of rays intersecting at a point inside a polygon
Published on
25 Feb 2026 - 19:02
#geometry
#contest-math
#euclidean-geometry
#recreational-mathematics
#billiards
185
Views
Phase space and collision map of a billiard
Published on
25 Feb 2026 - 19:05
#general-topology
#dynamical-systems
#billiards
110
Views
Sinai billiard isomorphic to hard spheres problem
Published on
25 Feb 2026 - 19:07
#dynamical-systems
#ergodic-theory
#billiards
223
Views
Rectangular billiards: ergodic or not?
Published on
25 Feb 2026 - 19:01
#dynamical-systems
#mathematical-physics
#ergodic-theory
#chaos-theory
#billiards
161
Views
Application of billiards
Published on
10 Apr 2026 - 10:35
#big-list
#applications
#billiards
139
Views
Law of reflection when tangent is undefined
Published on
10 Apr 2026 - 0:42
#geometry
#algebra-precalculus
#reflection
#billiards
861
Views
Proving a billiards bank shot procedure gives equal angles of incidence and reflection
Published on
09 Apr 2026 - 17:34
#geometry
#proof-explanation
#euclidean-geometry
#triangles
#billiards
226
Views
Using a simulation to show that any obtuse triangle whose largest angle is $\leq100^{\circ}$ has a stable periodic billiard orbit
Published on
11 Apr 2026 - 16:57
#geometry
#computational-mathematics
#billiards
44
Views
Motivation for the definition of a compact Riemann manifold with piecewise smooth boundary
Published on
10 Apr 2026 - 23:34
#manifolds
#riemannian-geometry
#smooth-manifolds
#compact-manifolds
#billiards
61
Views
Particular values for the sum of divisors function from billiards
Published on
12 Apr 2026 - 0:27
#elementary-number-theory
#gcd-and-lcm
#divisor-sum
#tiling
#billiards
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