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Voronoi diagram on a Riemannian surface

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Voronoi diagram on a Riemannian surface
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Mosaïques de Voronoi sur une surface riemannienne
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8
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17
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CC Attribution 3.0 Unported:
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On s'intéresse à la mosaïque de Voronoi engendrée par un processus ponctuel de Poisson homogène sur une surface riemannienne. Plus précisément, on montre un lien entre les caractèristiques moyennes et d'une cellule et la courbure gaussienne de la surface. On se concentre sur le nombre moyen de sommets en commançant par donner une formule exacte dans le cas d'une sphère. On généralise ensuite à une surface quelconque en donnant un développement asymptotique à grande intensité. La preuve repose principalement sur des résultats classiques de comparaison issus de la géométrie riemannienne.
Link (knot theory)SphereOrbitNumber theoryArithmetic meanVertex (graph theory)Point (geometry)Uniform convergenceLogical constantPole (complex analysis)CurvatureRadiusWell-formed formulaGeodesicVolumeMathematicsVariable (mathematics)Similarity (geometry)Coordinate systemTheoremDirected graphSineDew pointInfinityHausdorff dimensionNegative numberSurfaceRiemann curvature tensorPerspective (visual)Characteristic polynomialPerimeterScalar fieldNumberMaß <Mathematik>AreaMathematical analysisDiagramGenetic programmingGeometryMathematicsNumerical analysisTheory of relativityStatisticsPositional notationFrequencyMatrix (mathematics)Incidence algebraModulformTriangleWell-formed formulaDimensional analysisComputabilityPrisoner's dilemmaTotal S.A.State of matterArithmetic meanAxiom of choiceProof theoryFunctional (mathematics)Line (geometry)Group actionChainComplex (psychology)SphereMaxima and minimaMereologyMoment (mathematics)Pairwise comparisonPhysical systemMarginal distributionSpherical trigonometryThermodynamisches SystemThermal expansionCountingScaling (geometry)Link (knot theory)AreaGoodness of fitMeasurementDistanceWeightCurvaturePoint (geometry)Barrelled spaceJacobi methodGenderCuboidMany-sorted logicDirection (geometry)Student's t-testProcess (computing)EstimatorCorrespondence (mathematics)ExpressionGreatest elementSurfaceExplosionCharacteristic polynomialVertex (graph theory)Closed setFiber (mathematics)Object (grammar)Sinc functionImage resolutionMultiplication signStandard deviation2 (number)ForestRight angleIntegraltafelPosition operatorConcentricVolume (thermodynamics)Fisher informationPerimeterApproximationManifoldOrder (biology)VarianceAsymptotic analysisRiemannian geometryVariable (mathematics)PolyederInfinitySeries (mathematics)Plane (geometry)GeodesicConvex setResultantLocal ringStandard errorTerm (mathematics)TheoremThetafunktionAngleGaussian curvatureLogical constantNormal (geometry)RootNeighbourhood (graph theory)Square numberPolar coordinate systemRadiusCalculationLengthBoundary value problemExponentialabbildungTangent spaceSpherical coordinate systemComputer animation
Transcript: English(auto-generated)