1

Odd perfect numbers are greater than $10^{1500}$

Year:
2012
Language:
english
File:
PDF, 174 KB
english, 2012
2

On the number of prime factors of an odd perfect number

Year:
2013
Language:
english
File:
PDF, 143 KB
english, 2013
3

A generator of morphisms for infinite words

Year:
2006
Language:
english
File:
PDF, 160 KB
english, 2006
4

On the interval number of special graphs

Year:
2004
Language:
english
File:
PDF, 116 KB
english, 2004
5

On the acyclic choosability of graphs

Year:
2006
Language:
english
File:
PDF, 348 KB
english, 2006
6

On the oriented chromatic index of oriented graphs

Year:
2008
Language:
english
File:
PDF, 227 KB
english, 2008
7

On some arboricities in planar graphs

Year:
2005
Language:
english
File:
PDF, 169 KB
english, 2005
8

Homomorphisms of 2-edge-colored graphs

Year:
2010
Language:
english
File:
PDF, 840 KB
english, 2010
9

On star and caterpillar arboricity

Year:
2009
Language:
english
File:
PDF, 863 KB
english, 2009
10

On circle graphs with girth at least five

Year:
2009
Language:
english
File:
PDF, 651 KB
english, 2009
11

Dejean's conjecture and letter frequency

Year:
2007
Language:
english
File:
PDF, 193 KB
english, 2007
13

Oriented vertex and arc colorings of partial 2-trees

Year:
2007
Language:
english
File:
PDF, 255 KB
english, 2007
17

Oriented colorings of 2-outerplanar graphs

Year:
2007
Language:
english
File:
PDF, 199 KB
english, 2007
18

On maximal repetitions of arbitrary exponent

Year:
2010
Language:
english
File:
PDF, 172 KB
english, 2010
19

A generalization of repetition threshold

Year:
2005
Language:
english
File:
PDF, 292 KB
english, 2005
20

Letter frequency in infinite repetition-free words

Year:
2007
Language:
english
File:
PDF, 207 KB
english, 2007
21

Bounds for the generalized repetition threshold

Year:
2011
Language:
english
File:
PDF, 256 KB
english, 2011
22

Planar Graphs Have 1-string Representations

Year:
2010
Language:
english
File:
PDF, 848 KB
english, 2010
23

Oriented colorings of triangle-free planar graphs

Year:
2004
Language:
english
File:
PDF, 107 KB
english, 2004
24

Oriented colorings of partial 2-trees

Year:
2008
Language:
english
File:
PDF, 180 KB
english, 2008
25

On induced-universal graphs for the class of bounded-degree graphs

Year:
2008
Language:
english
File:
PDF, 229 KB
english, 2008
26

A Complexity Dichotomy for the Coloring of Sparse Graphs

Year:
2012
Language:
english
File:
PDF, 701 KB
english, 2012
27

Thue choosability of trees

Year:
2011
Language:
english
File:
PDF, 212 KB
english, 2011
29

Oriented Coloring of Triangle-Free Planar Graphs and 2-Outerplanar Graphs

Year:
2014
Language:
english
File:
PDF, 422 KB
english, 2014
30

Strong edge-colouring and induced matchings

Year:
2013
Language:
english
File:
PDF, 417 KB
english, 2013
31

The Maximum Clique Problem in Multiple Interval Graphs

Year:
2015
Language:
english
File:
PDF, 981 KB
english, 2015
32

Vertex Partitions of Graphs into Cographs and Stars

Year:
2014
Language:
english
File:
PDF, 300 KB
english, 2014
33

AVOIDING APPROXIMATE SQUARES

Year:
2008
Language:
english
File:
PDF, 732 KB
english, 2008
34

Characterization of some binary words with few squares

Year:
2015
Language:
english
File:
PDF, 266 KB
english, 2015
36

On interval representations of graphs

Year:
2015
Language:
english
File:
PDF, 723 KB
english, 2015
37

Islands in Graphs on Surfaces

Year:
2016
Language:
english
File:
PDF, 222 KB
english, 2016
38

Homomorphisms of 2-Edge-Colored Triangle-Free Planar Graphs

Year:
2016
Language:
english
File:
PDF, 387 KB
english, 2016
39

Sieve methods for odd perfect numbers

Year:
2012
Language:
english
File:
PDF, 295 KB
english, 2012
40

The complexity of partitioning into disjoint cliques and a triangle-free graph

Year:
2016
Language:
english
File:
PDF, 551 KB
english, 2016
41

Bounds on the exponential domination number

Year:
2017
Language:
english
File:
PDF, 466 KB
english, 2017
43

Oriented, 2-edge-colored, and 2-vertex-colored homomorphisms

Year:
2017
Language:
english
File:
PDF, 246 KB
english, 2017
44

2-subcoloring is NP-complete for planar comparability graphs

Year:
2017
Language:
english
File:
PDF, 185 KB
english, 2017
45

Avoidability of circular formulas

Year:
2017
Language:
english
File:
PDF, 302 KB
english, 2017
46

On the Kőnig-Egerváry theorem for k-paths

Year:
2019
Language:
english
File:
PDF, 822 KB
english, 2019
47

Repetition avoidance in products of factors

Year:
2019
Language:
english
File:
PDF, 225 KB
english, 2019
49

-free planar graphs

Year:
2019
Language:
english
File:
PDF, 329 KB
english, 2019