Showing 1 - 20 results of 59 for search '"polyhedra"', query time: 0.07s Refine Results
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    Continuous Blooming of Convex Polyhedra by Demaine, Erik D., Demaine, Martin L., Hart, Vi, Iacono, John, Langerman, Stefan, O'Rourke, Joseph

    Published 2011
    “…We construct the first two continuous bloomings of all convex polyhedra. First, the source unfolding can be continuously bloomed. …”
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    Refold rigidity of convex polyhedra by Demaine, Erik D., Demaine, Martin L., Itoh, Jin-ichi, Lubiw, Anna, Nara, Chie, O'Rourke, Joseph

    Published 2015
    “…If the unfolding is restricted to cut only edges of the polyhedron, we identify several polyhedra that are “edge-refold rigid” in the sense that each of their unfoldings may only fold back to the original. …”
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    On packing and covering polyhedra in infinite dimensions by Rademacher, Luis, Toriello, Alejandro, Vielma Centeno, Juan Pablo

    Published 2018
    “…We consider the natural generalizations of packing and covering polyhedra in infinite dimensions, and study issues related to duality and integrality of extreme points for these sets. …”
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    A Heterarchical Program for Recognition of Polyhedra by Shirai, Yoshiaki

    Published 2004
    “…Recognition of polyhedra by a heterarchical program is presented. …”
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    Capacitated Trees, Capacitated Routing, and Associated Polyhedra by Araque, Jésus Rafael, Hall, Leslie A., Magnanti, Thomas L.

    Published 2004
    “…For each of these problems, and for a forest relaxation of the minimal spanning tree problem, we introduce a number of new valid inequalities and specify conditions for ensuring when these inequalities are facets for the associated integer polyhedra. The inequalities are defined by one of several underlying support graphs: (i) a multistar, a "star" with a clique replacing the central vertex; (ii) a clique cluster, a collection of cliques intersecting at a single vertex, or more generally at a central" clique; and (iii) a ladybug, consisting of a multistar as a head and a clique as a body. …”
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    Working Paper
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    Continuously Flattening Polyhedra Using Straight Skeletons by Demaine, Erik D., Demaine, Martin L., Itoh, Jin-ichi, Lubiw, Anna, Nara, Chie, O'Rourke, Joseph, Abel, Zachary Ryan

    Published 2015
    “…We show that our method solves the fold-and-cut problem for convex polyhedra in any dimension. As an additional application, we show how a limiting form of our algorithm gives a general design technique for flat origami tessellations, for any spiderweb (planar graph with all-positive equilibrium stress).…”
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    Unfolding Genus-2 Orthogonal Polyhedra with Linear Refinement by Damian, Mirela, Flatland, Robin, O’Rourke, Joseph, Demaine, Erik D

    Published 2018
    “…This is the first result on unfolding general orthogonal polyhedra beyond genus-0. Our unfolding algorithm relies on the existence of at most 2 special leaves in what we call the “unfolding tree” (which ties back to the genus), so unfolding polyhedra of genus 3 and beyond requires new techniques.…”
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    Unfolding Genus-2 Orthogonal Polyhedra with Linear Refinement by Damian, Mirela, Flatland, Robin, O’Rourke, Joseph, Demaine, Erik D

    Published 2018
    “…This is the first result on unfolding general orthogonal polyhedra beyond genus-0. Our unfolding algorithm relies on the existence of at most 2 special leaves in what we call the “unfolding tree” (which ties back to the genus), so unfolding polyhedra of genus 3 and beyond requires new techniques. …”
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    Article
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    Prism Trees: An Efficient Representation for Manipulating and Displaying Polyhedra with Many Faces by Ponce, Jean

    Published 2004
    “…When dealing with polyhedra with many faces (typically more than one thousand), the first step is by far the most expensive. …”
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