Open Problem Garden
Help
About
Contact
login/create account
Home
ยป
configure
rybu
view
track
contact
Type
Post
Author
Replies
Last post
Open problem
Smooth 4-dimensional Poincare conjecture
rybu
1
3 years 3 weeks ago
forum topic
Maintaining questions in a subject area
rybu
4
14 years 1 week ago
Open problem
The 4x5 chessboard complex is the complement of a link, which link?
rybu
0
14 years 2 weeks ago
Open problem
Unsolvability of word problem for 2-knot complements
rybu
0
14 years 8 weeks ago
Open problem
Is there an algorithm to determine if a triangulated 4-manifold is combinatorially equivalent to the 4-sphere?
rybu
0
14 years 45 weeks ago
Open problem
What is the homotopy type of the group of diffeomorphisms of the 4-sphere?
rybu
0
14 years 45 weeks ago
Open problem
Which compact boundaryless 3-manifolds embed smoothly in the 4-sphere?
rybu
0
14 years 45 weeks ago
Open problem
Fundamental group torsion for subsets of Euclidean 3-space
rybu
0
14 years 45 weeks ago
Open problem
Which homology 3-spheres bound homology 4-balls?
rybu
0
14 years 45 weeks ago
Open problem
Realisation problem for the space of knots in the 3-sphere
rybu
0
14 years 45 weeks ago
Open problem
Slice-ribbon problem
rybu
0
14 years 45 weeks ago
Open problem
Smooth 4-dimensional Schoenflies problem
rybu
0
14 years 45 weeks ago
Navigate
Subject
Algebra
(295)
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
Nowhere-zero flows
Shuffle-Exchange Conjecture
Algebra
Seagull problem
Solution to the Lonely Runner Conjecture
more