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All Keyword: molecular orbital method block internal(0, 1)-matrices(3,6)-cage(a,b)-linear graphs(ê,ô)-Regular sets0-Graphs1-sum problem2-connected graphs2-Degree2-design2-dim W-L2-factors2-sum problem2-Walk linear graphs4-cycles8-cagea-representationA-variation with repetitionsAbelian Cayley graphsabelian sandpileabsolutely summing operatoraccessory gland proteinAcyclicAcyclic Birkhoff polytopeAcyclic graphacyclic matricesacyclic orientationAcyclic setaddition of vertexadjacency algebraAdjacency eigenvaluesadjacency matrixAdjacency operatorAdjacency spectrumAdjacent transpositionsadjacent verticesadmissible partitionadmissible vertex orderingadmittance matrixadmittance spectrumAffine group over the finite ringaffine planeAGXAlgebraalgebraic combinatoric(s)algebraic connectivityalgebraic connectivity distributionalgebraic constructionsAlgebraic Graph Theoryalgebraic theory pertubationsalgorithm deletion-contractionalgorithm Edmondsalgorithm reconstructionalgorithm(s)alkaneAlmost eigensharp graphsAlmost regular graphsalmost-completeAlon-Boppana theoremalphabetalternating knotalternating polynomial(s)Amalgamationamenable to switchinganalysis of algorithmsAnalytic combinatoricsAnalytic performance evaluationanalytical theory pertubationsangle matrixangle sequenceanglesangles mainangles partialAnnuleneantipodalantipodal r-fold coveringapplied mathematicsassociation schemeasymptotic behaviourasymptotic seriesatomic orbitalAtom–bond connectivity indexAufbau principleaugmentationaugmenting pathAutoGraphiXautomated systemAutomatic generation of conjecturesautomorphicautomorphismautomorphism groupautomorphism of a graphAverage degreeAverage degree of neighborsAverage distanceAzect diamondB-productbagsBaker theoryBalanced binary treesBalanced incomplete block designBalanced treeBasis of NEPSBenzeneBethe treeBIBDbicentroidbicomplete graphbicyclic graph(s)bigradingbinary cluttersbinary tree(s)Binomial coefficient graph of characteristic nBiological networkbipartiteBipartite crossing numberBipartite density of graph(s)bipartite graph(s)Biphenylbiplanebiquadratic formBirkhoff polytopeBisectionblock designBlock diagonal sum of a matrixBlock graphsBlock Krylov space methodBlock Krylov space solverBlock of a digraphBlock size reductionblock systemblock terminalblock trivialBoiling pointbond lengthbond orderbond-order matrixBoolean function of graphsBoolean operationsBottleneck matrixbound absolutebound Chernoffbound(s)boundary operatorbounded degreebranchbranch internalbranch terminalBranching of treesBridgebridged cliquesbridging vertexBroadcast treebroken cyclebroken wheelBrooks´s theorembuckminsterfullerenebugsButadieneButterfly digraphC4-free graphscageCanonical form of matrixcanonical graph orderingcanonical ordering weighted graphcanonical star basiscanonical treecanonical vertex orderingcarbon skeletonCardinal product of graphsCartesian productCartesian product of graphsCatalan´s constantCaterpillarCauchy´s inequalitiesCayley formulaCayley graphCayley-Hamilton theoremcenterpointscentral part of graphcentrecentroidChang graphCharactercharacter tablecharacteristic centercharacteristic functioncharacteristic polinomial of a graphcharacteristic polynomialcharacteristic polynomial of a treecharacteristic setcharacteristic vectorcharacterizationcharacterization of graphscharacterizations spectralChebyshev polynomialsCheeger inequalityChemical applicationsChemical Graph Theorychemical graph(s)chemical molecularchemical stabilitychemical tree(s)chess boardchip-firingChip-firing gameChoice numberchordless cycle(s)chromatic invariantchromatic numberchromatic polynomialchromatic rootchromatically uniqueCircuitCirculant graphcirculant matrixclass functionclawClebsch graphcliqueClique numberCliques, pair of bridgedcliquomatic numberclosed neighbourhoodclosed walkclustersCo-cliqueco-immanantal treesco-rankcoalescencecoarseningCoates formulacoboundary mappingcocktail party graphcocliquecode canonicalcode perfectCode, error-correctingcoderived graphCoding theoryCodivisorcoefficient of ergodicitycoefficient pertubationcoenergetic graphscognitive sciencecoincidence-free NEPScollectionColoration, D-feasibleColoringcolour-classcolour-partitioncolouring regularcombinatorial analysisCombinatorial Laplaciancombinatorial matrix theoryCombinatorial Optimizationcombinatorial problem(s)combinatoricsCommutativitycompatibility graphcompatibleComplement of a graphcomplementary Laplaciancomplete bigraphcomplete bipartite graphcomplete bipartite subgraphscomplete graph(s)complete intersecting familycomplete invariantcomplete k-partite graphcomplete matchingcomplete multipartite graphcomplete productcomplete r-partite graphcomplete system of cliquesComplete treecomplete tripartite graphcomplex networksComplex, linearComplexity of a graphcomponentComponent of graphscomposition of graphscompound matrixComputational complexitycomputercomputer-assistedconcavity of eigenvaluescondition bridgecondition edgecondition numberconductanceconeconfiguration, coherentconfluenceconformal mappingconformsconjecture(s)conjugacy classconjugate Bell polynomialsConjugate gradient minimizationconjugate of a degree sequenceconjugated moleculesconjunctionconnected cospectral graphsconnected graph(s)Connected graphs with order ¡Ü 10connection from i to jconnectivityconnectivity algebraicconnectivity edgeconnectivity indexconnectivity of a graphconnectivity vertexconsecutive ones propertyConsecutive orderingsContracted treecontractingconvex programmingconvex set(s)Conway´s presentationscordal graph(s)coronacorrelated fluctuationscoset graphcospectral digraphcospectral forestscospectral graph(s)cospectral pairs of verticescospectral treescospectral verticescospectrality of graphscostsCoulson-Rushbrooke Pairing TheoremCoulson´s bond-order matrixCourant-Weyl inequalitiescovercovering graphCovering numberCoxeter graphCoxeter systemcp-rankcpmplex networkscritical groupcubeCube, n-dimensionalcubiccubic exceptional graphcubic graph Latticecubic graph(s)currentcurvature flowcutcut edgecut setcut vertice(s)cut-orientationcut-subspacecutpoint(s)cyclecycle graphcycle prefix digraph(s)cycle spaceCycle spectrumcycle typecycle vectorcycle-orientationcycle-subspacecyclically equivalent walkscyclically k-partite graphcyclomatic numbercyclotomic polynomiald-girthdata reductiondatabasesdecentralized controldeckDecomposable graphdecomposable line systemDecompositionDeflationDeflection routingdegreeDegree conditionDegree distancedegree matrixdegree sequence(s)deletion-contractionDelta conjectureDense graphsdensitydensity matrixdependent linesderived graphDesargues graphdesign, symmetricdeterminantDeterminant identitydeterminantal measureDetermined by spectrumDeterministic probability transition matricesdiameterDiameter problemDigraph coloringdigraph Konigdigraph with weighted adjancenciesdigraphsdihedral groupdimension of line systemdimerDimersdiophantine equationdirect sumdirect sum of matricesdirected edgedirected graphdirection mainDirichlet eigenvaluesdisconnected graphdiscoverydiscrete groupsDiscrete LaplacianDiscrete Riemannian geometryDiscrete Schrödinger operatordiscrete spectral geometrydismantling of a graphdissectionDistanceDistance energyDistance matricesdistance polynomialDistance spectraDistance spectral radiusdistance-regular digraphdistance-regular graphsdistance-transitivedistinct eigenvaluesdistributive latticedivisordodecahedrondomain partitioningdominating setdominating set minimaldomination numberdouble conedouble pyramiddouble stardouble-m-propertydouble-transitivitydoubly regular tournamentdoubly stochastic matrixDrosophiladrum shapedualDual graphdual latticedual representationdynamic coresdynamic mean of the valenciesdynamical systemsDynkin diagramE-eigenvalueè-GraphsE-polynomialEA-reconstructible invariantEA-reconstructible propertyedgeEdge additionEdge coloringedge cutedge densityedge separatorsedge spaceedge subdividededge versionedge-coveringedge-transitiveeffective resistanceEfficient computabilityeigenfunctioneigensharp graphsEigensolutionEigenspaceseigenspaces of graphsEigenvalueeigenvalue -2Eigenvalue analysisEigenvalue boundseigenvalue gapEigenvalue interlacingeigenvalue maineigenvalue multiplicityeigenvalue of a graphEigenvalue problemseigenvalue second largesteigenvalue simpleEigenvalue spectraEigenvalue sumeigenvalue zeroeigenvalueseigenvalues conjugateeigenvalues correspondingeigenvalues inequalitieseigenvectoreigenvector matrixeigenvector non-negativeEigenvector of a grapheigenvector partialeigenvector principalElasticityelectrical networkelectron chargeelectronic energyelementaryElementary equivalenceEmbeddingendospectral graphsendsEnergyenergy of graphEnergy of matricesEnergy of matrixenvelope (space)envelope reductionequiangular linesEquienergeticequienergetic graphsequilibrium measuresequipartitionequitable partitionErdös-Stone-Bollob´as theoremErdös-Stone-Simonovits theoremEstrada indexEthyleneEuclidean 2-distance setEuclidean 2-distance setEuclidean representationEulerian graphEuler´s theoremeutatic stareven functioneven grapheven latticeeven subgrapheven triangleeven-odd bipartite graphexceptional graphsexcessexit-valueexpandersExpanding factorexpansionExpansion graphsExpectationExplicit description of boundary conditionsexponentexpression treeextendability graphextended p-sum of graphsextensionexternal activityexternally activeExtremal (n,m)-graphsextremal degreesExtremal energiesextremal graphsExtremal matrix theoryextremal treeExtremal valuesextreme eigenvaluesfacefactorfactor generalizedfactor linearfactor quadraticfactor regular of degreeFactor widthfactorizationFaria vectorfeasible arrayFeasible Parameter Setfeasible partitionFibonacci numbersFiedler vectorField of valuesFields & RingsfigureFinite elementFinite framefinite graphFinite groupFinite metric spaceFinite rank perturbationfirst, second, third, layerflowflow polynomialFoodwebforbidden subgraphforestFormation stabilityForwarding indexFoster´s censusfoundationFracturesfriendship graphfriendship theoremfront neighbourfront valencyfullerenesfunction spacesfuzzy imageg-deckGain graphsGalaxy graphGauss sumsGCPgene duplicationgene expressiongeneral graphGeneralized Bethe treesgeneralized cocktail-party graphgeneralized d-gongeneralized direct productgeneralized divisorgeneralized inverseGeneralized LaplacianGeneralized line graphgeneralized matchinggeneralized multi-digraphgeneralized polygon graphgeneralized starsgeneralized vertex degreesgenerating function for the number of walksGenerating polynomialGenerationgeneric characteristic poliynomialGenusGeodesicGeodetic numberGeodetic spectrumgeometric expandersGeometric graphsgeometric inequalitygeometric samplingGeometric transformationgeometry, projectiveGershgorin circle criteriongirthGirth boundGLGGolden ratioGradegraffiti's conjectureGramian matrixgraphGraph algorithmsgraph and geometric algorithmsgraph anglesGraph bundleGraph clusteringGraph compositionGraph coveringGraph decompositiongraph eigenvaluesGraph eigenvalues and eigenvectorsgraph eigenvectorsgraph embeddingsGraph energygraph equationsGraph evolutionGraph expansionGraph indexGraph invariantsgraph isomorphismGraph joingraph Laplaciangraph LatticeGraph minorGraph operationsgraph partitioninggraph poliynomialGraph productgraph reconstruction problemgraph spectragraph spectral radiusgraph spectrumgraph symmetryGraph tetrahedralGraph Theorygraph totally disconnectedgraph typesgraph weakly symmetricGraph with three eigenvaluesgraphic partitionGraphic Sequencegraphical regular representationGraphsgraphs of regular solidsGraphs with no 4-cyclesGrassmannian frameGreen’s FunctionGrothendieck theoremgroup of a graphgroup of quaternionsgroup of symmetries of a moleculegroup orthogonalgroup unitaryH-matricesHadamard matricesHadamard matrixHadamard matrix functionsHadamard powersHamiltonianHamiltonian circuitHamiltonian cycleHamiltonian graphHamiltonian pathHamiltonicity problemHamming distanceHamming graphHankel determinantHardy–Littlewood methodHarmonic digraphHarmonic graphsharmonic oscillationsHealingHeawood graphHeight characteristicHeilbronner formulahereditary propertyHermitianHermitian matricesHermitian matrixHeuristicHexagonal tessellationHierarchical productHigh girthHoffman polynomialHoffman-Singleton graphhomeomorphichomogeneoushomological coveringHopf algebraHosoya indexHuckel matrixHuckel´s theoryhybrid systemsHückel molecular orbital (HMO)Hückel treesHydrocarbon acyclicHydrocarbon alternantHydrocarbon benzenoidHydrocarbon cata-fuzedHydrocarbon conjugated (aromatic)hydrocarbon moleculesHydrocarbon saturatedHydrocarbon unfuzedhydrocarbonshydrophobichyperbolic graphsHypercubeHyperenergetic graphhypergraph partitioninghypergraphshypermetric spaceshyperoctahedral graphhyperplane arrangementsHypoenergeticicosahedralIcosahedron graphideal cluttersIhara–Selberg trace formulaimage decompositionimmanantimmanantal polynomialimprimitive matrixIncidence energy (of graph)incidence graphincidence mappingincidence matricesincidence matrixincidence modifiedincident edgesincomplete p-sum of graphsIncomplete torusindegreeindependence numberindependentindependent component analysisindependent cyclesindependent edgesindependent setsindependet verticesindexIndex of graphsindex of imprimitivityindex of mobilityindex topologicalindicator functioninduced matchingsinduced subgraphinduced subgraph propertyInertiainfinite graphsInformation theoryinitial layerinteger eigenvaluesintegral basisIntegral circulant graphIntegral eigenvalueintegral graphintegral latticeIntegral sum graphIntegral sum numberintegral treesIntegrityinteraction modelinterchange graphsInterconnection networksinterior stabilityInterlace polynomialInterlacing inequalityinterlacing Theoremintermediate eigenvalue problemsinternal activityinternal pathinternal stable setinternal triangleinternally activeInternet graphsintersecting familyintersection arrayintersection matrixintersection numbersinvariantInverse Eigenvalue ProblemInverse graphInversionsinvolutionirreducible characterirreducible component of a representationirreducible matricesirreducible matrixIrreducible representationsIrregular graphirregular tessellationirregularityIsing modelising problemIsomapisomorphic graphsisomorphismIsoperimetric constantisoperimetric inequalityisoperimetric numbers of graphsIsoperimetric peakisoperimetric propertiesisospectral graphsisospectral moleculesisospectral treesisthmusiterated line graphsJ-sum of graphsJacobi formulaJacobianjoinJones polynomialJordan chainsJordan matrixJordan normal formk-ary n-cubeK-chaink-Coloringk-colourable graphk-degenerate graphk-partite completek-Primitivityk-reduced spanning substructurekekulé structureKelly´s lemmaKernighan-Lin heuristickineticskingKing´s move (chess)Kirchhoff´s lawsknightKocay´s lemmaKrein parametersKronecker product of matricesKy Fan theoremL-equienergeticL-equienergetic graphsL-functionlabelled treeladderLagrange's multiplier rulelandscapeslanguageLaplace matrix of a graphLaplace transformationLaplacianLaplacian coefficientsLaplacian eigenvaluesLaplacian energyLaplacian Estrada indexLaplacian graph eigenvectorsLaplacian IntegralLaplacian integral graphLaplacian matrixLaplacian matrix (of graph)Laplacian matrix-eigenvalue protein foldingLaplacian of a graphLaplacian operatorLaplacian separatorLaplacian spectral radiusLaplacian spectrumLaplacian spectrum (of graph)Laplacian spreadlaplacian-like energyLaplaciansLarge energylarge-scale designLargest degreeLargest eigenvalueLatin square typelatticelattice graphLattice graph of characteristic nLCAO-MO methodLeast eigenvaluelength of a circuitlength of a cyclelength of a pathlength of a walkLevel characteristicLevi graphLévy–Desplanques Theoremlimblimit pointLimit pointslimit points of Laplacian spectraline graphline graph of a designline multidigraphline star cellline star complementline star partitionline systemline-regular factorizationline-switching equivalenceLinear & Multilinear Algebralinear directed graphlinear directed subgraphLinear discriminant analysisLinear forms of logarithmsLinear perturbationslinear representation of a finite grouplinear spanning subgraphlinear undirected subgraphlinked cliquesLittlewood conjectureLloyd´s Theoremload balancingLocal characterlocal densityLocal multiplicitylocal spectrumLocal switchinglocation-dominating setlocation-domination numberlogarithmic transformLonget-Higgins modelloopLorentz spacelower bound(s)M-combinationMain angleMain eigenspacesMain eigenvaluesmain part spectrummain vectormajorizationMaking graphs bipartiteManhattan street networksMarkov chainMass-spring vibrating systemMatchingmatching numbermatching problemMatchingsmathematical physicsMatlabMatricesmatrices symmetriquesmatrixMatrix algebraMatrix energyMatrix equationMatrix of permitted pairsMatrix of restrictionsMatrix polynomialsmatrix theoryMatrix Tree Theoremmatrix valencymatroidmatroid intersection problemmatroid theoryMax cutMaximalmaximal clique problemmaximal eigenvalueMaximal energymaximal exceptional graphmaximal graphmaximal indecomposable line systemMaximal independent setmaximal indexmaximal outerplanarmaximal star-closed line systemMaximum degreemaximum matchingMaximum multiplicityMaximum nullityMaximum principleMcClelland inequalitymeanmeasure of irregularitymedial graphmembrane, combinatorial graphMenger's theoremMerris graphMerris indexMerris’ conjectureMeshmesh partitioningmesoscopic systemMetabolic networkMetaheuristicmetrically regular graphminimal energyminimal exceptional graphminimal forbidden subgraphminimal line graphminimal non-generalized line graphminimal polynomialminimal supportminimal volumeMinimum cutsMinimum degreeMinimum Rankminorsmixed graphsMobius laddermodel decompositionmodified rank polynomialmodified weight-generated graphmodular flowmolecularmolecular evolutionmolecular graphsmolecular orbitalmoment of inertiaMoore graphMotzkin-Straus formulaMuirhead’s lemmaMulti-interval Sturm–Liouville problemsmultidigraphMultidimensional scalingmultidisciplinary designmultigraphmultiple edgeMultiple eigenvaluesMultiple right-hand sidesmultiplication of a graph by an integerMultiplicitymultiplicity (algebraic, geometric) of an eigenvalueMultisectionMutually unbiased basisM–matrixNaphtalenenatural partitionnegative endNeighbourNEPSNested split graphnetworkNetwork reliabilityNetworksNeuronal networkNewton´s formulasNice cyclenodal domainsNodal orderingnon-bonding molecular orbitalsNon-complete extended p-sumnon-derogatory MatrixNon-negative matrixnon-singular substructurenonbipartite graphNoncospectral graphsnonhomogeneous variational problemNonlinear dynamicsnonlinear variational problemnonnegative matricesnonregular graphsNordhaus-GaddumNordhaus–Gaddum type problemnormal digraphnormal matrixnormalized immanantNormalized Laplaciannowhere-zeroNP-completeNull spaceNullityNumber of componentsnumber of edgesNumber of Facesnumber of pentagonsnumber of quadranglesnumber of spanning treesnumber of trianglesNumber of verticesnumber of walksNumerical AlgebraNumerical radiuso-representationoctahedronOdd cycleodd functionodd graphsodd triangleodd-unicyclic graphOff-diagonal rankone line extensionopen neighbourhoodOperations on graphsoptimality conditionsorbitorbit algebraorchidorchid gardenorder idealOrderingOrdering algorithmsOrdinary characterorientationOrthocentric matrixOrthocentric simplexorthodox star basisorthodox star partitionOrthogonal matrixorthogonal polynomialsoutdegreeOzeki inequalityp-deckp-electronP-spectrump-sum of graphsPairing theoremPaley graphPancake problemsPappus graphparallel finite element analysisparallel processingparametersparity of a separationpartialpartial geometrypartial graphPartial linearizationspartial orderingpartial spectrumpartially balanced incomplete block designpartitionpartition functionPartition latticepartition number point arboricitypartitioned matricespartitioning algorithmsPartitionspartnerspathPath complete graphpath graphpath-like cubicpath-positive graphpath-zero graphPauli´s principlependant edgePendant vertexPendent verticesPercolationperfect codeperfect matchingPerfect state transferperiodic graphperiodical graphPeripheral eigenvaluesperipheral vertexperm-polynomialpermamentpermanental dominance conjecturepermanental polynomial of a graphpermanental polynomial of a matrixpermutationpermutation characterpermutation matrixPerron branchperron componentPerron eigenvaluePerron eigenvectorPerron pairPerron rootPerron valuePerron vectorPerron-Frobenius theoremperturbedperturbed matrixpetalPetersen graphPfaffian orientationphenanthrenepi-electron energyPicard groupPINGplanarplanar graphsPlanar triangulationPlanck´s constantplane graphPlatonic solidspoint arboricityPolya-Szego inequalityPolyene conjugatedpolygon generalizedPolyhedrapolymer networkspolynomial of a directed graphpolynomial of a graphpolynomial of a multigraphpolynomial partitionpolynomial reconstructionpolynomialsPolynomials of binomial typepolynomials on graphspolytopeposetpositive endpotentialPotts modelpowerPrescribed girthprevious termTreeprime graphprimitiveprimitive directed graphprimitive matrixPrimitivity indexprincipal component analysisprincipal eigenvalueprincipal minorsprism n-sidedprobabilityProcessor arrayproduct lexicographicproduct of graphsprogramming involving graphsprojectionprojective planeprojective representationproofproperproper coverproper divisorproperly coloured graphProtein–protein interaction networkPruned torusPruning strategypseudo-net-graphPseudo-regular graphPseudo-semiregular bipartite graphpyramidQ-IndexQ-integral graphQ-spectrumQ-spectrum of a hypergraphquadrangleQuadrangle-containing (-free)quadratic assignment problemsQuadratic programmingQuadriculated diskQuantum nonlocalityquasi-bipartite graphquasi-bridgequasi-canonical star basisquasi-graphQuasi-orderingquasi-separablequasi-separationquasi-strongly regular graphQuipusr-partite subgraphsr-ply transitiveradiusRamanujan graphsRamsey theoryRandic´ indexrandomrandom graphRandom walksrankrank grouprank matrixrank polynomialrank three graphrank-coloring conjectureRational representationsRayleigh monotonicityRayleigh quotientRayleigh´s monotonicity lawReciprocal complementary Wiener numberrecognitionreconstructibility of a graphreconstructiblereconstruction conjectureReconstruction Lemmareconstruction problemsReconstruction theoremRecursive coatom orderingrecursive familyreduced simple molecular orbital theoryreduced Smith graphreducible matrixreductionreflectionrefutationregularregular actionRegular cell complexregular cospectral graphsregular exceptional graphRegular graphregular polytopesregular two-graphregular-stable graphsreordering algorithmsRepresentable graphResistance distanceResolventresonance theoryresonant modelReverse Cauchy-Schwarz inequalityReversible Markov chainrewriting rulesRNA second structurerookrook´s moveroot graphroot multigraphroot systemRooted directed spanning treeRooted spanning forestround-robin tournamentRoutingRuch–Gutman criterionRyser switchSachs' theoremSandpile groupsaturated chainScale free networksschelling segregation modelSchlafli graphSchlicht graphSchrodinger´s equationSchröder numberSchrödinger operatorSchultz indexSchultz polynomialSchur complementSchur´s lemmaSchwenk formulasecond eigenvaluesecond eigenvectorSecond largest eigenvalueSecond-maximalsecular equationSeidel matrixSeidel spectrumSeidel switchingselectionself-adjoint eigenvalue problemsSelf-adjointnessself-complementary graphself-converse tournamentSelf-similarsemi-direct productsemi-edgessemi-regular bipartiteSemiregular bipartite graphssemiregular graphseparableseparated form of a representation orbitseparationseparatorsseriationseries-parallelSeveral right-hand sidessextet graphShannon capacityshape descriptionshape of a drumshifited shapeShrikhande graphsidessign graphSignal processingSignless LaplacianSignless Laplacian matrixSignless Laplacian matrix (of graph)Signless Laplacian spectral radiusSignless Laplacian spectrumsigraphsimilar matricessimilar verticessimple eigenvaluessimple graphsimple molecular orbital theorysimply counted Loopsing-nonsingular matrixSingular linear systemssingular value inequalitySingular value of matrixSingular valuessizes (dimensions)Skew adjacency matrixsmall index propertySmall world networkssmall-world structuresmallest eigenvalueSmith graphsmith normal formSobolev inequalitySorting by reversalssorting in roundsSpanning forestspanning subgraphspanning treeSparse linear systemssparse matricessparse matrixSpatial analysisSpectra of a graphSpectra of graphsspectra of infinite hypertreesSpectral bisectionspectral boundsspectral characteristicsSpectral characterizationspectral decompositionSpectral determinationspectral graph theoryspectral integral variationSpectral momentsSpectral multiplicityspectral partitioningSpectral plotSpectral propertiesspectral properties of graphsspectral radiusSpectral radius of nonnegative matricesspectral spreadSpectral techniquesSpectral theory of positive operatorsspectral thresholdspectral Turán theoremspectrally bounded graphSpectrally unique graphspectrumSpectrum (of graph)Spectrum of a graphSphere packingspherical set of vectorsSphericitysplit graphsplitting resultssporadic groupsSpreadsquare latticeSquare lattice on a torusSquare tessellationStability criteriastability numberstabilizerstabilizer sequencestandard basesStandard Laplacianstandard representationstarstar cellstar complementstar coveredstar degree of a graphstar graphstar of vectorsstar partitionsstar setstar typesstar-closurestarlike treesstationary vectorSteiner graphSteiner triple systemstepwise adjacency matrixstochastic matrixstrict graphstrict partitionstring representationstrong componentstrong graphstrong productstrongly connected graphstrongly regular graphsstructural parametersStyreneSubconstituent algebrasubdividingsubdivision graphsubgraphsubgraph spanned by its edgessubgraph spanned by its verticesSubgraphs of graphsubgraphs theoremSubpancyclicitysubspectral graphssubspectral moleculessubstitution vertexsubtreesuccessorSum graphSum numberSum of entriesSum of squaressuperconcentratorssupercyclesupportSurfacesuspensionswitchingswitching-equivalenceSymmetricsymmetric cyclesymmetric designsymmetric groupsymmetric matricesSymmetric networksymmetric treesymmetrysynchronizationSzeged indext-arcT-polynomialT-shape treest-transitivetail of graphTensor productTerwilliger algebratest and evaluationtetracyclic graphstetrahedraltetrahedral graphtetrahedral groupthe Banach–Mazur distancethe greatest Laplacian eigenvaluethe kth eigenvalue of a treethe largest eigenvaluethe second largest eigenvaluethe smallest greatest Lapalacian eigenvaluethermodynamic limittheta graphThin irreducible modulethird largestthird smallest eigenvalueThird-maximalThomson´s principlethoughness of a graphThreshold graphThreshold partitionTight frametilingTilings by dominoesTolerance graphstopological effect on molecular orbital (TEMO)Topological indicesTopological indicestopological MatrixTopologyTopology of networktoroidal cagetoroidal fullerenetoroidal graphsTorustotal graphtotally reduced form of a representationtotally unimodular matrixtournamenttraceTranscription networktransfer graphtransfer matrixtransition probabilitytransitive automorphism groupTransporttransportation in graphsTransportation problemtranspositiontreetree-like cubictree-numbertree-widthTreelike graphstreesTriangleTriangle-free graphtriangles in a graphtriangular association schemetriangular graphtricyclic graphstricyclic Hamiltoniantridiagonaltridiagonal Birkhoff polytopetrivalent graphTuran´s theoremTutte polynomialTwo angle frameTwo largest multiplicitiestwo-dimensional Latticetwo-graphUlam´s conjectureUmbral calculusumbral chromatic polynomialundirected graphunicyclicunicyclic graphUnicyclic molecular graphuniform hipergraphUniformly locally finite graphsunimodal conjectureunion of graphsUnique perfect matchingunit cube graphUnit eigenvectorUnitary Cayley graphUnitary matrixUniversal coverunrestricted substitution vertexunrestricted verticesunsaturated hydrocarbonupper boundV-functionvalencyvalency orbitValidated boundsVariable Neighborhood SearchvariationVector & Tensor Analysisvector productVehiclesvertexVertex centralityvertex connectivityvertex of type a or bVertex PI indexVertex reconstruction problemvertex spaceVertex weightvertex-colouringvertex-deleted subgraphvertex-stabilizervertex-transitive digraphVertex-vertex proximityVerticesvertices of treesview based recognitionVirtual cut-throughVoltage assignmentwalk lengthwalk partitionwalk-generating functionwalk-generating matrixwalk-regularWave division multiplexingwave equationwave functionwavefrontsweakly bipartite graphsweakly homogeneousweight of an arcweight-generated graphweighted graphsWeighted stability numberweighted treeWeyl groupwheelWhitney Theoremwiener indexWiener indicesWigner’s semicircle lawwindmillword lengthYamabe flowYoung subgroupYoung's latticeZeroth-order general Randiæ index

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