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Št. zadetkov: 28
Nut graphs with a given automorphism group
Nino Bašić, Patrick W. Fowler
Izvirni znanstveni članek
Oznake: nut graph;graph automorphism;automorphism group;nullity;graph spectra;f-universal;
A nut graph is a simple graph of order 2 or more for which the adjacency matrix has a single zero eigenvalue such that all nonzero kernel eigenvectors have no zero entry (i.e. are full). It is shown by construction that every finite group can be represented as the group of automorphisms of infinitel ...
Leto: 2025 Vir: Fakulteta za matematiko, naravoslovje in informacijske tehnologije Koper (UP FAMNIT)
Algebraic approach to several families of chemical graphs
Nino Bašić, Tomaž Pisanski, Patrick W. Fowler
Doktorska disertacija
Oznake: mathematics;graph theory;chemistry;altan;generalised altan;iterated altan;benzenoids;coronoids;patches;perforated patches;Kekulé structure;Pauling bond order;pentagonal incidence partition;map trace;
To delo je poskus vzpostavitve krepkejše povezave med matematiko in kemijo. Polega tega poskušamo diskretne strukture, kot so npr. zemljevidi, uveljaviti v matematični kemiji. Najprej predstavimo Hücklovo teorijo molekulskih orbital, posebno pozornost pa namenimo konceptu proste valence. V literatur ...
Leto: 2016 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Tight upper bounds for the p-anionic Clar number of fullerenes
Aaron Slobodin, Wendy Myrvold, Gary MacGillivray, Patrick W. Fowler
Izvirni znanstveni članek
Oznake: chemical graph theory;anionic Clar number;fullerenes;
A fullerene is an all-carbon molecule with a polyhedral structure where each atom is bonded to three other atoms and each face is either a pentagon or a hexagon. Fullerenes correspond to 3-regular planar graphs whose faces have sizes 5 or 6. The p-anionic Clar number C_(p)(G) of a fullerene G is equ ...
Leto: 2026 Vir: Repozitorij Univerze na Primorskem (RUP)
Patterns of ring current in coronene isomers
Alexandru T. Balaban, David E. Bean, Patrick W. Fowler
Izvirni znanstveni članek
Oznake: organska kemija;koronen;izometrija;aromatičnost;
Leto: 2010 Vir: dLib.si Digitalna knjižnica Slovenije
Catacondensed chemical hexagonal complexes
Cate S. Anstöter, Nino Bašić, Patrick W. Fowler, Tomaž Pisanski
Izvirni znanstveni članek
Oznake: benzenoid;poligonalni kompleks;(katakondenziran) kemijski šestkotniški kompleks;Kekulejeva struktura;polygonal complex;(catacondensed) chemical hexagonal complex;Kekulé structure;
Leto: 2020 Vir: Univerza na Primorskem (UP)
Nut digraphs
Nino Bašić, Patrick W. Fowler, Maxine M. McCarthy, Primož Potočnik
Izvirni znanstveni članek
Oznake: nut graph;core graph;nullity;directed graph;nut digraph;dextro-nut;laevo-nut;bi-nut;ambi-nut;inter-nut;dextro-core vertex;laevo-core vertex;graph spectra;
A nut graph is a simple graph whose kernel is spanned by a single full vector (i.e., the adjacency matrix has a single zero eigenvalue and all non-zero kernel eigenvectors have no zero entry). We classify generalisations of nut graphs to nut digraphs: a digraph whose kernel (resp. co-kernel) is span ...
Leto: 2026 Vir: Fakulteta za matematiko, naravoslovje in informacijske tehnologije Koper (UP FAMNIT)
Existence of regular nut graphs for degree at most 11
Tomaž Pisanski, Irene Sciriha, Patrick W. Fowler, John Baptist Gauci, Jan Goedgebeur
Izvirni znanstveni članek
Oznake: nut graph;core graph;regular graph;nullity;
Leto: 2020 Vir: Repozitorij Univerze na Primorskem (RUP)
Clar and Fries structures for fullerenes
Patrick W. Fowler, Wendy Myrvold, Rebecca L. Vandenberg, Elizabeth J. Hartung, Jack E. Graver
Izvirni znanstveni članek
Oznake: chemical graph theory;fullerenes;benzenoids;Clar;Fries;Kekule;perfect matching;
Fries and Clar numbers are qualitative indicators of stability in conjugated π systems. For a given Kekulé structure, call any hexagon that contains three double bonds benzenoid. The Fries number is the maximum number of benzenoid hexagons, whereas the Clar number is the maximum number of independen ...
Leto: 2026 Vir: Repozitorij Univerze na Primorskem (RUP)
Convexity deficit of benzenoids
Nino Bašić, Sarah J. Berkemer, Jörg Fallmann, Patrick W. Fowler, Thomas Gatter, Tomaž Pisanski, Nancy Retzlaff, Peter F. Stadler, Sara Sabrina Zemljič
Izvirni znanstveni članek
Oznake: benzenoid;fuzen;konveksnostni primanjkljaj;konveksni benzenoid;kvazi-konvekseni benzenoid;psevdo-konveksni benzenoid;fusene;convexity deficit;convex benzenoid;quasi-convex benzenoid;pseudo-convex benzenoid;
Convexity deficit of benzenoids
Leto: 2019 Vir: Univerza na Primorskem (UP)
Development of a specific quantitative real-time PCR assay to monitor Chlorella DNA
Richard F. Fowler
Izvirni znanstveni članek
Oznake: United States;Kentucky;Mammoth Cave;phytoplankton;DNA;karst hydrology;water quality;
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Št. zadetkov: 28
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