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127
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DMTCS
2010
123views Mathematics» more  DMTCS 2010»
15 years 1 months ago
A characterization of infinite smooth Lyndon words
In a recent paper, Brlek, Jamet and Paquin showed that some extremal infinite smooth words are also infinite Lyndon words. This result raises a natural question: are they the only...
Geneviève Paquin
DM
2011
184views Education» more  DM 2011»
14 years 10 months ago
Graphs of arbitrary excessive class
We show that there exists a family of r-regular graphs of arbitrarily large excessive index for each integer r greater than 3. Furthermore, we answer a question in [1] showing tha...
Giuseppe Mazzuoccolo, M. Young
111
Voted
JAT
2011
64views more  JAT 2011»
14 years 10 months ago
Two remarks on remotality
We prove that there exists a weakly closed and bounded subset E of c0 which is not remotal from 0, and such that co (E) is remotal from 0. This answers a question of M. Mart´ın ...
Michal Kraus
132
Voted
JGT
2011
76views more  JGT 2011»
14 years 10 months ago
Intersections of graphs
Let G and H be two graphs of order n. If we place copies of G and H on a common vertex set, how much or little can they be made to overlap? The aim of this paper is to provide som...
Béla Bollobás, Alex D. Scott
170
Voted
INTENV
2010
14 years 10 months ago
A Survey in Consciousness in Robots and Future of Reception Robots
This paper presents a story about consciousness and future of reception robots. A prototype version of reception robot is developed at university of Essex for university open days ...
Hossein Farid Ghassem Nia