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Displaying 141 – 160 of 611

Dihedral $f$ -tilings of the sphere by equilateral and scalene triangles. II.

d'Azevedo Breda, A.M., Ribeiro, Patrícia S., Santos, Altino F. (2008)

The Electronic Journal of Combinatorics [electronic only]

Dihedral f-tilings of the sphere by equilateral and scalene triangles. III.

D'Azevedo Breda, A.M., Ribeiro, Patrícia S., Santos, Altino F. (2008)

The Electronic Journal of Combinatorics [electronic only]

Dihedral f-tilings of the sphere by equilateral and scalene triangles-I

A. M. D'Azevedo Breda, Patrícia S. Ribeiro, Altino F. Santos (2010)

Rendiconti del Seminario Matematico della Università di Padova

Discrete Groups and Internal Symmetries of Icosahedral Viral Capsids

Richard Kerner (2014)

Molecular Based Mathematical Biology

A classification of all possible icosahedral viral capsids is proposed. It takes into account the diversity of hexamers’ compositions, leading to definite capsid size.We showhowthe self-organization of observed capsids during their production results from definite symmetries of constituting hexamers. The division of all icosahedral capsids into four symmetry classes is given. New subclasses implementing the action of symmetry groups Z2, Z3 and S3 are found and described. They concern special cases...

Discrete minimal surface algebras.

Arnlind, Joakim, Hoppe, Jens (2010)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

Discrete polymatroids.

Vlădoiu, Marius (2006)

Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică

Disjoint faces of complementary dimension.

Develin, Mike (2004)

Beiträge zur Algebra und Geometrie

Dissections into equilateral triangles.

Zsolt Tuza (1991)

Elemente der Mathematik

Du côté de chez Pu

Marcel Berger (1972)

Annales scientifiques de l'École Normale Supérieure

Dürer polyhedra: the dark side of melancholia

Patrick W. Fowler, Peter E. John (2002)

Discussiones Mathematicae Graph Theory

Dürer's engraving Melencolia I famously includes a perspective view of a solid polyhedral block of which the visible portion is an 8-circuit bounding a pentagon-triple+triangle patch. The polyhedron is usually taken to be a cube truncated on antipodal corners, but an infinity of others are compatible with the visible patch. Construction of all cubic polyhedra compatible with the visible portion (i.e., Dürer Polyhedra) is discussed, explicit graphs and symmetries are listed for small cases ( ≤ 18...