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Enumeration of Pentahexagonal Annuli in the Plane. / Dobrynin, Andrey A.; Rosenfeld, Vladimir R.
в: Mathematics, Том 7, № 12, 1156, 01.12.2019.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Enumeration of Pentahexagonal Annuli in the Plane
AU - Dobrynin, Andrey A.
AU - Rosenfeld, Vladimir R.
N1 - Publisher Copyright: © 2019 by the authors.
PY - 2019/12/1
Y1 - 2019/12/1
N2 - Pentahexagonal annuli are closed chains consisting of regular pentagons and hexagons. Such configurations can be easily recognized in various complex designs, in particular, in molecular carbon constructions. Results of computer enumeration of annuli without overlapping on the plane are presented for up to 18 pentagons and hexagons. We determine how many annuli have certain properties for a fixed number of pentagons. In particular, we consider symmetry, pentagon separation (the least ring-distance between pentagons), uniformity of pentagon distribution, and pentagonal thickness (the size of maximal connected part of pentagons) of annuli. Pictures of all annuli with the number of pentagons and hexagons up to 17 are presented (more than 1300 diagrams).
AB - Pentahexagonal annuli are closed chains consisting of regular pentagons and hexagons. Such configurations can be easily recognized in various complex designs, in particular, in molecular carbon constructions. Results of computer enumeration of annuli without overlapping on the plane are presented for up to 18 pentagons and hexagons. We determine how many annuli have certain properties for a fixed number of pentagons. In particular, we consider symmetry, pentagon separation (the least ring-distance between pentagons), uniformity of pentagon distribution, and pentagonal thickness (the size of maximal connected part of pentagons) of annuli. Pictures of all annuli with the number of pentagons and hexagons up to 17 are presented (more than 1300 diagrams).
KW - pentahexagonal annuli
KW - constructive enumeration
KW - nanoarchitecture
KW - LIQUID-CRYSTALS
KW - FULLERENES
KW - GENERATION
KW - GRAPHS
KW - SYMMETRY
KW - CHAINS
KW - RULE
KW - Constructive enumeration
KW - Nanoarchitecture
KW - Pentahexagonal annuli
UR - http://www.scopus.com/inward/record.url?scp=85079686943&partnerID=8YFLogxK
U2 - 10.3390/math7121156
DO - 10.3390/math7121156
M3 - Article
VL - 7
JO - Mathematics
JF - Mathematics
SN - 2227-7390
IS - 12
M1 - 1156
ER -
ID: 23288284