Open Problem Garden
Help
About
Contact
login/create account
Home
A blog post with some open problems
This blog post
contains several hard open problems. Please add them to OPG.
add new comment
Navigate
Subject
Algebra
(7)
Analysis
(5)
Combinatorics
(35)
Geometry
(29)
Graph Theory
(228)
Group Theory
(5)
Logic
(10)
Number Theory
(49)
PDEs
(0)
Probability
(1)
Theoretical Comp. Sci.
(13)
Topology
(40)
Unsorted
(1)
Author index
Keyword index
more
Recent Activity
Chromatic number of $\frac{3}{3}$-power of graph
3-Edge-Coloring Conjecture
r-regular graphs are not uniquely hamiltonian.
Partition of Complete Geometric Graph into Plane Trees
Smooth 4-dimensional Poincare conjecture
more
login/create account
Drupal
CSI of Charles University