Open Problem Garden
Help
About
Contact
login/create account
Home
Solved problems
Title
Author(s)
Imp.¹
Rec.²
Area » Topic » Subtopic
Posted by
Do filters complementive to a given filter form a complete lattice?
Porton
✭✭
0
Unsorted
porton
Pseudodifference of filter objects
Porton
✭✭
0
Unsorted
porton
Co-separability of filter objects
Porton
✭✭
0
Unsorted
porton
Chain-meet-closed sets
Porton
✭✭
0
Unsorted
porton
Intersection of complete funcoids
Porton
✭✭
0
Topology
porton
Monovalued reloid is a restricted function
Porton
✭✭
0
Topology
porton
Distributivity of composition over union of reloids
Porton
✭✭
0
Topology
porton
Funcoid corresponding to inward reloid
Porton
✭✭
0
Topology
porton
Distributivity of outward reloid over composition of funcoids
Porton
✭✭
0
Topology
porton
Outward reloid corresponding to a funcoid corresponding to convex reloid
Porton
✭✭
0
Topology
porton
Inward reloid corresponding to a funcoid corresponding to convex reloid
Porton
✭✭
0
Topology
porton
Distributivity of union of funcoids corresponding to reloids
Porton
✭✭
0
Topology
porton
Reloid corresponding to funcoid is between outward and inward reloid
Porton
✭✭
0
Topology
porton
Is every regular paratopological group Tychonoff?
unknown
✭✭
0
Topology
porton
Composition of atomic reloids
Porton
✭✭
0
Topology
porton
Atomic reloids are monovalued
Porton
✭✭
0
Topology
porton
Monovalued reloid restricted to atomic filter
Porton
✭✭
0
Topology
porton
Outer reloid of direct product of filters
Porton
✭✭
0
Topology
porton
Composition of reloids expressed through atomic reloids
Porton
✭✭
0
Topology
porton
Characterization of monovalued reloids with atomic domains
Porton
✭✭
0
Topology
porton
Domain and image of inner reloid
Porton
✭✭
0
Topology
porton
Join of oblique products
Porton
✭✭
0
Topology
porton
Upgrading a multifuncoid
Porton
✭✭
0
Topology
porton
Distributivity of inward reloid over composition of funcoids
Porton
✭✭
0
Topology
porton
Values of a multifuncoid on atoms
Porton
✭✭
0
Topology
porton
Distributivity of a lattice of funcoids is not provable without axiom of choice
Porton
✭
0
Topology
porton
A construction of direct product in the category of continuous maps between endo-funcoids
Porton
✭✭✭
0
Topology
porton
Every monovalued reloid is metamonovalued
Porton
✭✭
0
Topology
porton
Coatoms of the lattice of funcoids
Porton
✭
0
Topology
porton
Inner reloid through the lattice Gamma
Porton
✭✭
0
Topology
porton
Restricting a reloid to lattice Gamma before converting it into a funcoid
Porton
✭✭
0
Topology
porton
Funcoid corresponding to reloid through lattice Gamma
Porton
✭✭
0
Topology
porton
Domain and image for Gamma-reloid
Porton
✭✭
0
Topology
porton
Entourages of a composition of funcoids
Porton
✭✭
0
Topology
porton
Star height problem
Lawrence Eggan C.
✭✭
0
Theoretical Comp. Sci.
porton
DIS-PROOF OF BEALS CONJECTURE
✭✭✭
0
Number Theory
»
Additive N.T.
lalitha
Special M
Kimberling
✭✭
1
Number Theory
vprusso
Complexity of QBF(Bounded Treewidth)
Moshe Y. Vardi
✭✭
0
Logic
»
Finite Model Theory
myvardi
Hall-Paige conjecture
Hall
;
Paige
✭✭✭
0
Group Theory
mdevos
Straight line representation of planar linear hypergraphs
Ossona de Mendez
;
de Fraysseix
✭✭
0
Graph Theory
»
Topological G.T.
»
Drawings
taxipom
Bounded colorings for planar graphs
Alon
;
Ding
;
Oporowski
;
Vertigan
✭✭
1
Graph Theory
»
Topological G.T.
»
Coloring
mdevos
5-coloring graphs with small crossing & clique numbers
Oporowski
;
Zhao
✭✭
1
Graph Theory
»
Topological G.T.
»
Coloring
mdevos
Monochromatic reachability in edge-colored tournaments
Erdos
✭✭✭
0
Graph Theory
»
Directed Graphs
»
Tournaments
mdevos
Alon-Saks-Seymour Conjecture
Alon
;
Saks
;
Seymour
✭✭✭
0
Graph Theory
»
Coloring
»
Vertex coloring
mdevos
Bounding the chromatic number of graphs with no odd hole
Gyarfas
✭✭✭
0
Graph Theory
»
Coloring
»
Vertex coloring
mdevos
Coloring squares of hypercubes
Wan
✭✭
1
Graph Theory
»
Coloring
»
Vertex coloring
mdevos
Does every subcubic triangle-free graph have fractional chromatic number at most 14/5?
Heckman
;
Thomas
✭
0
Graph Theory
»
Coloring
»
Vertex coloring
Andrew King
Ohba's Conjecture
Ohba
✭✭
1
Graph Theory
»
Coloring
»
Vertex coloring
Jon Noel
Steinberg's conjecture
✭✭✭✭
0
Graph Theory
»
Coloring
»
Vertex coloring
fhavet
Choice number of complete multipartite graphs with parts of size 4
✭
1
Graph Theory
»
Coloring
»
Vertex coloring
Jon Noel
1
2
next ›
last »
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