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    EJC
    2008
    105views Information Technology» more  EJC 2008»
    On an involution of Christoffel words and Sturmian morphisms
    13 years 11 months ago
    On an involution of Christoffel words and Sturmian morphisms
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    Valérie Berthé, Aldo de Luca, Christ...
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    EJC
    2008
    79views Information Technology» more  EJC 2008»
    Enumeration of almost polynomial rational functions with given critical values
    13 years 11 months ago
    Enumeration of almost polynomial rational functions with given critical values
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    1 Rational functions and minimal factorizations of permutations Let f : C C be a rational function of degree n in one complex variable. A critical point of f is a point z C such...
    Dmitri Panov, Dimitri Zvonkine
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    EJC
    2008
    85views Information Technology» more  EJC 2008»
    Characterizations of finite and infinite episturmian words via lexicographic orderings
    13 years 11 months ago
    Characterizations of finite and infinite episturmian words via lexicographic orderings
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    Amy Glen, Jacques Justin, Giuseppe Pirillo
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    EJC
    2008
    90views Information Technology» more  EJC 2008»
    On the 3-distortion of a path
    13 years 11 months ago
    On the 3-distortion of a path
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    Pierre Dehornoy
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    EJC
    2008
    161views Information Technology» more  EJC 2008»
    Labeled posets are universal
    13 years 11 months ago
    Labeled posets are universal
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    Partially ordered sets labeled with k labels (k-posets) and their homomorphisms are examined. The homomorphicity order of k-posets is shown to be a distributive lattice. Homomorph...
    Erkko Lehtonen
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    EJC
    2008
    88views Information Technology» more  EJC 2008»
    A simple proof for open cups and caps
    13 years 11 months ago
    A simple proof for open cups and caps
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    Let X be a set of points in general position in the plane. General position means that no three points lie on a line and no two points have the same x-coordinate. Y X is a cup, r...
    Jakub Cerný
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    EJC
    2008
    122views Information Technology» more  EJC 2008»
    Fractional coloring and the odd Hadwiger's conjecture
    13 years 11 months ago
    Fractional coloring and the odd Hadwiger's conjecture
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    Gerards and Seymour (see [T.R. Jensen, B. Toft, Graph Coloring Problems, Wiley-Interscience, 1995], page 115) conjectured that if a graph has no odd complete minor of order p, the...
    Ken-ichi Kawarabayashi, Bruce A. Reed
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    EJC
    2008
    76views Information Technology» more  EJC 2008»
    Posets, clique graphs and their homotopy type
    13 years 11 months ago
    Posets, clique graphs and their homotopy type
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    Francisco Larrión, Miguel A. Pizaña,...
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    EJC
    2008
    110views Information Technology» more  EJC 2008»
    Energy and length in a topological planar quadrilateral
    13 years 11 months ago
    Energy and length in a topological planar quadrilateral
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    We provide bounds for the product of the lengths of distinguished shortest paths in a finite network induced by a triangulation of a topological planar quadrilateral.
    Sa'ar Hersonsky
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    EJC
    2008
    93views Information Technology» more  EJC 2008»
    A classification of finite partial linear spaces with a primitive rank 3 automorphism group of grid type
    13 years 11 months ago
    A classification of finite partial linear spaces with a primitive rank 3 automorphism group of grid type
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    A partial linear space is a non-empty set of points, provided with a collection of subsets called lines such that any pair of points is contained in at most one line and every lin...
    Alice Devillers
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