Recent Activity
Is Skewes' number e^e^e^79 an integer? ★★
Author(s):
Skewes' number is not an integer.
Keywords:
Minimal graphs with a prescribed number of spanning trees ★★
Author(s): Azarija; Skrekovski
Keywords: number of spanning trees, asymptotics
Sticky Cantor sets ★★
Author(s):
Keywords: Cantor set
Subgroup formed by elements of order dividing n ★★
Author(s): Frobenius
Suppose is a finite group, and is a positive integer dividing . Suppose that has exactly solutions to . Does it follow that these solutions form a subgroup of ?
Keywords: order, dividing
Giuga's Conjecture on Primality ★★
Author(s): Giuseppe Giuga
Keywords: primality
Coloring the Odd Distance Graph ★★★
Author(s): Rosenfeld
The Odd Distance Graph, denoted , is the graph with vertex set and two points adjacent if the distance between them is an odd integer.
Keywords: coloring; geometric graph; odd distance
Cores of Cayley graphs ★★
Author(s): Samal
Keywords: Cayley graph; core
Graph product of multifuncoids ★★
Author(s): Porton
Keywords: graph-product; multifuncoid
Atomicity of the poset of multifuncoids ★★
Author(s): Porton
- \item atomic; \item atomistic.
See below for definition of all concepts and symbols used to in this conjecture.
Refer to this Web site for the theory which I now attempt to generalize.
Keywords: multifuncoid
Atomicity of the poset of completary multifuncoids ★★
Author(s): Porton
- \item atomic; \item atomistic.
See below for definition of all concepts and symbols used to in this conjecture.
Refer to this Web site for the theory which I now attempt to generalize.
Keywords: multifuncoid
Cycle double cover conjecture ★★★★
Upgrading a completary multifuncoid ★★
Author(s): Porton
Let be a set, be the set of filters on ordered reverse to set-theoretic inclusion, be the set of principal filters on , let be an index set. Consider the filtrator .
See below for definition of all concepts and symbols used to in this conjecture.
Refer to this Web site for the theory which I now attempt to generalize.
Keywords:
4-regular 4-chromatic graphs of high girth ★★
Author(s): Grunbaum
Forcing a $K_6$-minor ★★
Author(s): Barát ; Joret; Wood
Keywords: connectivity; graph minors
Funcoidal products inside an inward reloid ★★
Author(s): Porton
A stronger conjecture:
Keywords: inward reloid
Odd cycles and low oddness ★★
Author(s):
Keywords:
Odd perfect numbers ★★★
Author(s): Ancient/folklore
Keywords: perfect number
Matching cut and girth ★★
Author(s):
Keywords: matching cut, matching, cut
Strong 5-cycle double cover conjecture ★★★
Author(s): Arthur; Hoffmann-Ostenhof
Keywords: cycle cover