Vol. 20 No. 1 (2021)

DOI: https://doi.org/10.26493/1855-3974.20_1

Published: 2020-11-20

Articles

New results on modular Golomb rulers, optical orthogonal codes and related structures

Marco Buratti, Douglas Robert Stinson

1-27
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- ABSTRACTS (EN/SI)
A family of fractal non-contracting weakly branch groups

Marialaura Noce

29-36
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From Farey fractions to the Klein quartic and beyond

Ioannis Ivrissimtzis, David Singerman, James Strudwick

37-50
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On the incidence maps of incidence structures

Tim Penttila, Alessandro Siciliano

51-68
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On plane subgraphs of complete topological drawings

Alfredo García Olaverri, Javier Tejel Altarriba, Alexander Pilz

69-87
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Graphical Frobenius representations of non-abelian groups

Gábor Korchmáros, Gábor Péter Nagy

89-102
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On few-class Q-polynomial association schemes: feasible parameters and nonexistence results

Alexander L. Gavrilyuk, Janoš Vidali, Jason S. Williford

103-127
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- ABSTRACTS (EN/SI)
The enclaveless competition game

Michael A. Henning, Douglas F. Rall

129-142
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- ABSTRACTS (EN/SI)
Strongly involutive self-dual polyhedra

Javier Bracho, Luis Montejano, Eric Pauli Pérez, Jorge Luis Ramírez Alfonsín

143-149
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- ABSTRACTS (EN/SI)
Geometry of the parallelism in polar spine spaces and their line reducts

Krzysztof Petelczyc, Krzysztof Prażmowski, Mariusz Żynel

151-170
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- ABSTRACTS (EN/SI)

News and Photos

Jonathan E. Leech: Noncommutative Lattices: Skew Lattices, Skew Boolean Algebras and Beyond

Announcement
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Petra Šparl Award 2022: Call for Nominations

Announcement
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