Search Results - "Wismath, Stephen"

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    Ortho-polygon Visibility Representations of Embedded Graphs by Di Giacomo, Emilio, Didimo, Walter, Evans, William S., Liotta, Giuseppe, Meijer, Henk, Montecchiani, Fabrizio, Wismath, Stephen K.

    Published in Algorithmica (01-08-2018)
    “…An ortho-polygon visibility representation of an n -vertex embedded graph G (OPVR of G ) is an embedding-preserving drawing of G that maps every vertex to a…”
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    Journal Article
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    Planar and Quasi-Planar Simultaneous Geometric Embedding by Di Giacomo, Emilio, Didimo, Walter, Liotta, Giuseppe, Meijer, Henk, Wismath, Stephen K.

    Published in Computer journal (01-11-2015)
    “…A simultaneous geometric embedding (SGE) of two planar graphs G... and G... with the same vertex set is a pair of straight-line planar drawings ... of G... and…”
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    Journal Article
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    Monotone Simultaneous Paths Embeddings in $\mathbb{R}^d by Bremner, David, Devillers, Olivier, Glisse, Marc, Lazard, Sylvain, Liotta, Giuseppe, Mchedlidze, Tamara, Moroz, Guillaume, Whitesides, Sue, Wismath, Stephen

    “…We study the following problem: Given $k$ paths that share the same vertex set, is there a simultaneous geometric embedding of these paths such that each…”
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    Journal Article
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    Volume requirements of 3D upward drawings by Di Giacomo, Emilio, Liotta, Giuseppe, Meijer, Henk, Wismath, Stephen K.

    Published in Discrete mathematics (08-04-2009)
    “…This paper studies the problem of drawing directed acyclic graphs in three dimensions in the straight-line grid model so that all directed edges are oriented…”
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    Journal Article Conference Proceeding
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    Introducing fairness in network visualization by Eades, Peter, Hong, Seokhee, Liotta, Giuseppe, Montecchiani, Fabrizio, Nöllenburg, Martin, Piselli, Tommaso, Wismath, Stephen

    Published in Information sciences (01-02-2025)
    “…Motivated by the need for decision-making systems that avoid bias and discrimination, the concept of fairness recently gained traction in the broad field of…”
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    Journal Article
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    Point-Set Embedding in Three Dimensions by Meijer, Henk, Wismath, Stephen

    “…Given a graph $G$ with $n$ vertices and $m$ edges, and a set $P$ of $n$ points on a three-dimensional integer grid, the 3D Point-Set Embeddability problem is…”
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    Journal Article
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    On the Planar Split Thickness of Graphs by Eppstein, David, Kindermann, Philipp, Kobourov, Stephen, Liotta, Giuseppe, Lubiw, Anna, Maignan, Aude, Mondal, Debajyoti, Vosoughpour, Hamideh, Whitesides, Sue, Wismath, Stephen

    Published in Algorithmica (01-03-2018)
    “…Motivated by applications in graph drawing and information visualization, we examine the planar split thickness of a graph, that is, the smallest k such that…”
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    Journal Article
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    Monotone Drawings of Graphs with Fixed Embedding by Angelini, Patrizio, Didimo, Walter, Kobourov, Stephen, Mchedlidze, Tamara, Roselli, Vincenzo, Symvonis, Antonios, Wismath, Stephen

    Published in Algorithmica (01-02-2015)
    “…A drawing of a graph is a monotone drawing if for every pair of vertices u and v there is a path drawn from u to v that is monotone in some direction. In this…”
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    Journal Article
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    Packing Trees into 1-planar Graphs by De Luca, Felice, Di Giacomo, Emilio, Hong, Seok-Hee, Kobourov, Stephen, Lenhart, William, Liotta, Giuseppe, Meijer, Henk, Tappini, Alessandra, Wismath, Stephen

    “…We introduce and study the 1-planar packing problem: Given $k$ graphs with $n$ vertices $G_1, \dots, G_k$, find a 1-planar graph that contains the given graphs…”
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    Journal Article
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    Universal Sets of n Points for One-bend Drawings of Planar Graphs with n Vertices by Everett, Hazel, Lazard, Sylvain, Liotta, Giuseppe, Wismath, Stephen

    Published in Discrete & computational geometry (01-03-2010)
    “…This paper shows that any planar graph with n vertices can be point-set embedded with at most one bend per edge on a universal set of n points in the plane. An…”
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    Journal Article
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    Monotone Simultaneous Paths Embeddings in RdRd by Bremner, David, Devillers, Olivier, Glisse, Marc, Lazard, Sylvain, Liotta, Giuseppe, Mchedlidze, Tamara, Moroz, Guillaume, Whitesides, Sue, Wismath, Stephen

    “…We study the following problem: Given kk paths that share the same vertex set, is there a simultaneous geometric embedding of these paths such that each…”
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    Journal Article
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    Point-set embeddings of trees with given partial drawings by Di Giacomo, Emilio, Didimo, Walter, Liotta, Giuseppe, Meijer, Henk, Wismath, Stephen K.

    “…Given a graph G with n vertices and a set S of n points in the plane, a point-set embedding of G on S is a planar drawing such that each vertex of G is mapped…”
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    Journal Article
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    New Bounds on the Local and Global Edge-length Ratio of Planar Graphs by Di Giacomo, Emilio, Didimo, Walter, Liotta, Giuseppe, Meijer, Henk, Montecchiani, Fabrizio, Wismath, Stephen

    Published 24-11-2023
    “…The \emph{local edge-length ratio} of a planar straight-line drawing $\Gamma$ is the largest ratio between the lengths of any pair of edges of $\Gamma$ that…”
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    Journal Article
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    Matched drawability of graph pairs and of graph triples by Grilli, Luca, Hong, Seok-Hee, Liotta, Giuseppe, Meijer, Henk, Wismath, Stephen K.

    “…The contribution of this paper is twofold. It presents a new approach to the matched drawability problem of pairs of planar graphs and it provides four…”
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    Journal Article