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    JCT
    2007
    142views more  JCT 2007»
    Graphs that triangulate a given surface and quadrangulate another surface
    13 years 10 months ago
    Graphs that triangulate a given surface and quadrangulate another surface
    Download  www.math.u-szeged.hu
    We show that for any closed surface F with χ(F) −4 (or χ(F) −2), there exist graphs that triangulate the torus or the Klein bottle (or the projective plane) and that quadran...
    Yusuke Suzuki
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    COMBINATORICS
    2007
    75views more  COMBINATORICS 2007»
    Flexibility of Embeddings of Bouquets of Circles on the Projective Plane and Klein Bottle
    13 years 10 months ago
    Flexibility of Embeddings of Bouquets of Circles on the Projective Plane and Klein Bottle
    Download  cs.anu.edu.au
    In this paper, we study the flexibility of embeddings of bouquets of circles on the projective plane and the Klein bottle. The numbers (of equivalence classes) of embeddings of b...
    Yan Yang, Yanpei Liu
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    IJCV
    2008
    88views more  IJCV 2008»
    On the Local Behavior of Spaces of Natural Images
    13 years 10 months ago
    On the Local Behavior of Spaces of Natural Images
    Download  comptop.stanford.edu
    In this study we concentrate on qualitative topological analysis of the local behavior of the space of natural images. To this end, we use a space of 3 by 3 high-contrast patches ...
    Gunnar Carlsson, Tigran Ishkhanov, Vin de Silva, A...
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    ENDM
    2008
    57views more  ENDM 2008»
    Six-Critical Graphs on the Klein Bottle
    13 years 11 months ago
    Six-Critical Graphs on the Klein Bottle
    Download  www.carlyerger.com
    Abstract Nathan Chenette Ken-ichi Kawarabayashi Daniel Kr
    Nathan Chenette, Luke Postle, Noah Streib, Robin T...
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