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EJC
2016
10 years 22 days ago
First-fit coloring on interval graphs has performance ratio at least 5
First-fit is the online graph coloring algorithm that considers vertices one at a time in some order and assigns each vertex the least positive integer not used already on a neigh...
Hal A. Kierstead, David A. Smith, William T. Trott...
EJC
2016
10 years 22 days ago
Constructions of transitive latin hypercubes
A function
Denis S. Krotov, Vladimir N. Potapov
EJC
2016
10 years 22 days ago
Invariant measures via inverse limits of finite structures
Abstract. Building on recent results regarding symmetric probabilistic constructions of countable structures, we provide a method for constructing probability measures, concentrate...
Nathanael Leedom Ackerman, Cameron E. Freer, Jaros...
EJC
2016
10 years 22 days ago
Maximum density of induced 5-cycle is achieved by an iterated blow-up of 5-cycle
Let C(n) denote the maximum number of induced copies of C5 in graphs on n vertices. For n large enough, we show that C(n) = a · b · c · d · e + C(a) + C(b) + C(c) + C(d) + C(e...
József Balogh, Ping Hu, Bernard Lidick&yacu...
EJC
2016
10 years 22 days ago
A new line of attack on the dichotomy conjecture
The well known dichotomy conjecture of Feder and Vardi states that for every family Γ of constraints CSP(Γ) is either polynomially solvable or NP-hard. Bulatov and Jeavons reform...
Gábor Kun, Mario Szegedy
Information Technology
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