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Are there infinite number of Mersenne Primes?
✭✭✭✭
0
Number Theory
»
Analytic N.T.
kurtulmehtap
Circular flow number of regular class 1 graphs
Steffen
✭✭
0
Graph Theory
»
Coloring
»
Nowhere-zero flows
Eckhard Steffen
Circular flow numbers of $r$-graphs
Steffen
✭✭
0
Graph Theory
Eckhard Steffen
The Double Cap Conjecture
Kalai
✭✭
0
Combinatorics
Jon Noel
Cycles in Graphs of Large Chromatic Number
Brewster
;
McGuinness
;
Moore
;
Noel
✭✭
0
Graph Theory
»
Coloring
»
Vertex coloring
Jon Noel
Saturation in the Hypercube
Morrison
;
Noel
;
Scott
✭✭
0
Combinatorics
Jon Noel
Extremal $4$-Neighbour Bootstrap Percolation in the Hypercube
Morrison
;
Noel
✭✭
0
Combinatorics
Jon Noel
Turán Problem for $10$-Cycles in the Hypercube
Erdos
✭✭
0
Combinatorics
Jon Noel
Infinite distributivity of meet over join for a principal funcoid
Porton
✭✭
0
Topology
porton
A funcoid related to directed topological spaces
Porton
✭✭
0
Topology
porton
Outward reloid of composition vs composition of outward reloids
Porton
✭✭
0
Topology
porton
A diagram about funcoids and reloids
Porton
✭✭
0
Topology
porton
Which outer reloids are equal to inner ones
Porton
✭✭
0
Topology
porton
3-Decomposition Conjecture
Arthur
;
Hoffmann-Ostenhof
✭✭✭
0
Graph Theory
arthur
Monochromatic reachability in arc-colored digraphs
Sands
;
Sauer
;
Woodrow
✭✭✭
0
Graph Theory
»
Directed Graphs
fhavet
Cycle Double Covers Containing Predefined 2-Regular Subgraphs
Arthur
;
Hoffmann-Ostenhof
✭✭✭
0
Graph Theory
arthur
Waring rank of determinant
Teitler
✭✭
0
Algebra
Zach Teitler
Edge-Unfolding Convex Polyhedra
Shephard
✭✭
0
Geometry
Erik Demaine
Sidorenko's Conjecture
Sidorenko
✭✭✭
0
Graph Theory
Jon Noel
Multicolour Erdős--Hajnal Conjecture
Erdos
;
Hajnal
✭✭✭
0
Graph Theory
»
Extremal G.T.
Jon Noel
Several ways to apply a (multivalued) multiargument function to a family of filters
Porton
✭✭✭
0
Topology
porton
KPZ Universality Conjecture
✭✭✭
0
Probability
Tomas Kojar
Chromatic number of $\frac{3}{3}$-power of graph
✭✭
0
Graph Theory
Iradmusa
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Chords of longest cycles
Do any three longest paths in a connected graph have a vertex in common?
Chromatic number of $\frac{3}{3}$-power of graph
3-Edge-Coloring Conjecture
r-regular graphs are not uniquely hamiltonian.
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