Page 18 - 8th European Congress of Mathematics ∙ 20-26 June 2021 ∙ Portorož, Slovenia ∙ Book of Abstracts
P. 18
CONTENTS
Luca Lionni: Transitive factorizations of pairs of permutations and three-dimensional con-
stellations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Carlo Petronio: Explicit computation of some families of Hurwitz numbers . . . . . . . . . 252
Andrés David Santamaría-Galvis: Partitioning the projective plane and the dunce hat . . 253
Russ Woodroofe: Shellings from relative shellings . . . . . . . . . . . . . . . . . . . . 253
Combinatorial Designs (MS-16) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Marco Buratti: Kirkman triple systems with many symmetries . . . . . . . . . . . . . . . 256
Andrea C. Burgess: Mutually orthogonal cycle systems . . . . . . . . . . . . . . . . . . 256
Charles Colbourn: Testing Arrays for Fault Localization . . . . . . . . . . . . . . . . . 256
Simone Costa: Factorizations of infinite graphs . . . . . . . . . . . . . . . . . . . . . . 257
Peter Danziger: On the mini-symposium problem . . . . . . . . . . . . . . . . . . . . . 258
Peter Dukes: A lower bound on permutation codes of distance n − 1 . . . . . . . . . . . 258
Raúl M. Falcón: Characterizing isomorphism classes of Latin squares by fractal dimensions
of image patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Tao Feng: Novák’s conjecture on cyclic Steiner triple systems and its generalization . . . . 259
Daniel Horsley: An Evans-style result for block designs . . . . . . . . . . . . . . . . . . 259
Hadi Kharaghani: Balancedly splittable orthogonal designs . . . . . . . . . . . . . . . . 260
György Kiss: Resolving sets and identifying codes in finite geometries . . . . . . . . . . . 260
Ilias Kotsireas: 20 years of Legendre Pairs . . . . . . . . . . . . . . . . . . . . . . . . 260
Shuxing Li: Packings of Partial Difference Sets . . . . . . . . . . . . . . . . . . . . . . 261
Trent Marbach: Balanced Equi-n-squares . . . . . . . . . . . . . . . . . . . . . . . . 261
Francesca Merola: Equitably 2-colourable even cycle systems . . . . . . . . . . . . . . . 261
Vedrana Mikulic´ Crnkovic´: Weakly self-orthogonal designs and related linear codes . . . 262
Alessandro Montinaro: The classification of 2-(v, k, λ) designs, with λ > 1 and (r, λ) = 1,
admitting a flag-transitive automorphism group . . . . . . . . . . . . . . . . . . . . 262
Mikhael Muzychuk: Testing isomorphism of circulant objects in polynomial time . . . . . 263
Anamari Nakic´: Strictly additive 2-designs . . . . . . . . . . . . . . . . . . . . . . . . 263
Matt Ollis: Sequences in Zn with Distinct Partial Sums . . . . . . . . . . . . . . . . . . 264
Deryk Osthus: Universal sequences and Euler tours in hypergraphs . . . . . . . . . . . . 264
Anita Pasotti: A reduction of the spectrum problem for sun systems . . . . . . . . . . . . 264
Gloria Rinaldi: Regular 1-factorizations of complete graphs with orthogonal spanning trees 265
Sanja Rukavina: A few new triplanes . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Fabio Salassa: Merging Combinatorial Design and Optimization: the Oberwolfach Problem 266
Cong Shen: On the existence of large set of partitioned incomplete Latin squares . . . . . . 266
Mateja Šajna: Bipartite 2-factorizations of complete multigraphs via layering . . . . . . . 267
Andrea Švob: On some periodic Golay pairs and pairwise balanced designs . . . . . . . . 267
Kristijan Tabak: Dual incidences and t-designs in elementary abelian groups . . . . . . . 267
Tommaso Traetta: On the Oberwolfach Problem for single-flip 2-factors via graceful labelings268
Alfred Wassermann: On the classification of unitals on 28 points of low rank . . . . . . . 268
E. S¸ ule Yazıcı: Heffter Arrays and Biembbedings of Cycle Systems on Orientable Surfaces . 269
Tin Zrinski: Block designs constructed from orbit matrices using a modified genetic algorithm 269
Configurations (MS-81) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Marién Abreu: Configurations from strong deficient difference sets . . . . . . . . . . . . 272
Nino Bašic´: Splittability of cubic bicirculants and their related configurations . . . . . . . 272
Leah Berman: Connected (nk) configurations exist for almost all n . . . . . . . . . . . . 272
Gábor Gévay: Transitions between configurations . . . . . . . . . . . . . . . . . . . . . 273
16
Luca Lionni: Transitive factorizations of pairs of permutations and three-dimensional con-
stellations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Carlo Petronio: Explicit computation of some families of Hurwitz numbers . . . . . . . . . 252
Andrés David Santamaría-Galvis: Partitioning the projective plane and the dunce hat . . 253
Russ Woodroofe: Shellings from relative shellings . . . . . . . . . . . . . . . . . . . . 253
Combinatorial Designs (MS-16) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Marco Buratti: Kirkman triple systems with many symmetries . . . . . . . . . . . . . . . 256
Andrea C. Burgess: Mutually orthogonal cycle systems . . . . . . . . . . . . . . . . . . 256
Charles Colbourn: Testing Arrays for Fault Localization . . . . . . . . . . . . . . . . . 256
Simone Costa: Factorizations of infinite graphs . . . . . . . . . . . . . . . . . . . . . . 257
Peter Danziger: On the mini-symposium problem . . . . . . . . . . . . . . . . . . . . . 258
Peter Dukes: A lower bound on permutation codes of distance n − 1 . . . . . . . . . . . 258
Raúl M. Falcón: Characterizing isomorphism classes of Latin squares by fractal dimensions
of image patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Tao Feng: Novák’s conjecture on cyclic Steiner triple systems and its generalization . . . . 259
Daniel Horsley: An Evans-style result for block designs . . . . . . . . . . . . . . . . . . 259
Hadi Kharaghani: Balancedly splittable orthogonal designs . . . . . . . . . . . . . . . . 260
György Kiss: Resolving sets and identifying codes in finite geometries . . . . . . . . . . . 260
Ilias Kotsireas: 20 years of Legendre Pairs . . . . . . . . . . . . . . . . . . . . . . . . 260
Shuxing Li: Packings of Partial Difference Sets . . . . . . . . . . . . . . . . . . . . . . 261
Trent Marbach: Balanced Equi-n-squares . . . . . . . . . . . . . . . . . . . . . . . . 261
Francesca Merola: Equitably 2-colourable even cycle systems . . . . . . . . . . . . . . . 261
Vedrana Mikulic´ Crnkovic´: Weakly self-orthogonal designs and related linear codes . . . 262
Alessandro Montinaro: The classification of 2-(v, k, λ) designs, with λ > 1 and (r, λ) = 1,
admitting a flag-transitive automorphism group . . . . . . . . . . . . . . . . . . . . 262
Mikhael Muzychuk: Testing isomorphism of circulant objects in polynomial time . . . . . 263
Anamari Nakic´: Strictly additive 2-designs . . . . . . . . . . . . . . . . . . . . . . . . 263
Matt Ollis: Sequences in Zn with Distinct Partial Sums . . . . . . . . . . . . . . . . . . 264
Deryk Osthus: Universal sequences and Euler tours in hypergraphs . . . . . . . . . . . . 264
Anita Pasotti: A reduction of the spectrum problem for sun systems . . . . . . . . . . . . 264
Gloria Rinaldi: Regular 1-factorizations of complete graphs with orthogonal spanning trees 265
Sanja Rukavina: A few new triplanes . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Fabio Salassa: Merging Combinatorial Design and Optimization: the Oberwolfach Problem 266
Cong Shen: On the existence of large set of partitioned incomplete Latin squares . . . . . . 266
Mateja Šajna: Bipartite 2-factorizations of complete multigraphs via layering . . . . . . . 267
Andrea Švob: On some periodic Golay pairs and pairwise balanced designs . . . . . . . . 267
Kristijan Tabak: Dual incidences and t-designs in elementary abelian groups . . . . . . . 267
Tommaso Traetta: On the Oberwolfach Problem for single-flip 2-factors via graceful labelings268
Alfred Wassermann: On the classification of unitals on 28 points of low rank . . . . . . . 268
E. S¸ ule Yazıcı: Heffter Arrays and Biembbedings of Cycle Systems on Orientable Surfaces . 269
Tin Zrinski: Block designs constructed from orbit matrices using a modified genetic algorithm 269
Configurations (MS-81) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Marién Abreu: Configurations from strong deficient difference sets . . . . . . . . . . . . 272
Nino Bašic´: Splittability of cubic bicirculants and their related configurations . . . . . . . 272
Leah Berman: Connected (nk) configurations exist for almost all n . . . . . . . . . . . . 272
Gábor Gévay: Transitions between configurations . . . . . . . . . . . . . . . . . . . . . 273
16
