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Electronic Notes in Discrete Mathematics, Volume 40
Volume 40, May 2013
- Giorgio Faina

:
Preface. 1-2 - Vito Abatangelo, Daniela Emma, Bambina Larato:

A6-invariant ovoids of the Klein quadric. 3-7 - Marién Abreu

, Gabriela Araujo-Pardo
, Camino Balbuena, Domenico Labbate
, Gloria López-Chávez:
Constructions of biregular cages of girth five. 9-14 - Kelly Aman:

Enumerating semifields. 15-19 - Nurdagül Anbar

, Henning Stichtenoth:
On the number of rational points of curves over finite fields. 21-26 - Daniele Bartoli

, Giorgio Faina
, Stefano Marcugini, Fernanda Pambianco, Alexander A. Davydov
:
A new algorithm and a new type of estimate for the smallest size of complete arcs in PG(2, q)PG(2, q). 27-31 - Francesco Belardo

:
Perturbations on bidegreed graphs minimizing the spectral radius. 33-37 - Anna Benini, Anita Pasotti

:
Decompositions of graphs via generalized graceful labelings. 39-42 - Simona Bonvicini

, Tomaz Pisanski:
Hamiltonian cycles in I-graphs. 43-47 - Emanuele Brugnoli, Marco Buratti:

New designs by changing ... the signs. 49-52 - Ilaria Cardinali

:
Non-projective embeddings in the Grassmann variety. 53-57 - Gloria López-Chávez, Gabriela Araujo-Pardo

, Luis Montejano, Camino Balbuena:
Bounds on the order of biregular graphs with even girth at least 8. 59-63 - Pietro Codara

, Ottavio M. D'Antona
:
Independent subsets of powers of paths, and Fibonacci cubes. 65-69 - Minerva Cordero

, Linlin Chen:
New examples of fractional dimensional semifield planes. 71-75 - Simone Costa:

Blocking Sets in PG(r, q2n)PG(r, q2n). 77-81 - Maria Rita Casali

, Paola Cristofori
:
Coloured graphs representing PL 4-manifolds. 83-87 - Dean Crnkovic

:
Self-orthogonal codes constructed from orbit matrices of 2-designs and quotient matrices of divisible designs. 89-93 - Bence Csajbók

:
Semiarcs with long secants. 95-99 - Bart De Bruyn, Hendrik Van Maldeghem:

Projective embeddings of dual polar spaces arising from a class of alternative division rings. 101-105 - Fatih Demirkale

, Diane M. Donovan
, Charles Curtis Lindner:
Simple 2-fold (3n, n, 3)(3n, n, 3) group divisible designs having a prescribed number of triples in common. 107-111 - Giorgio Donati

, Nicola Durante, Alessandro Siciliano:
On unitals in PG(2, q2)PG(2, q2) stabilized by a homology group. 113-116 - Giorgio Faina

, Fabio Pasticci:
On the genus of a cyclic curve over a finite field. 117-120 - Marcin Gasiorek

, Daniel Simson, Katarzyna Zajac
:
On Coxeter spectral study of finite posets using computer algebra tools. 121-127 - Mario Gionfriddo

, Salvatore Milici
:
Octagon kite systems. 129-134 - Massimo Giulietti

, Gábor Korchmáros
:
Nakajima's remark on Henn's proof. 135-138 - Ilaria Cardinali

, Luca Giuzzi
:
Some results on caps and codes related to orthogonal Grassmannians - a preview. 139-144 - Petr Gregor

, Petr Kovár
:
Distance magic labelings of hypercubes. 145-149 - Hans Havlicek:

Projective ring lines and their generalisations. 151-155 - Masaaki Homma, Seon Jeong Kim:

An elementary bound for the number of points of a hypersurface over a finite field (Summary). 157-161 - A. Donald Keedwell:

Construction of bimagic squares using orthogonal Sudoku squares (extended abstract). 163-168 - Yulia Kempner

, Vadim E. Levit
:
Geometry of poset antimatroids. 169-173 - Michael Kiermaier:

Codes from translation schemes on Galois rings of characteristic 4. 175-180 - Gábor Korchmáros

:
Problems and results in PG(2, q)PG(2, q). 181-187 - Elliot Krop

, Tony Yaacoub:
General distance domination. 189-192 - Przemyslaw Krysztowiak:

Improved approximation algorithm for the jump number of interval orders. 193-198 - Selda Küçükçifçi:

Metamorphosis problems for block designs. 199-204 - Domenico Labbate

, Marién Abreu
, E. Rizzi, John Sheehan:
A counterexample to the odd 2-factored snarks conjecture. 205-210 - Ivan N. Landjev, Peter Vandendriessche:

Chain ring analogs of designs. 211-215 - Yanxun Chang, Tao Feng, Giovanni Lo Faro

, Antoinette Tripodi
:
Metamorphosis of simple twofold triple systems into twofold (K4-e)(K4-e)-designs. 217-222 - Gérard D. Cohen, Claudia Malvenuto:

Cyclic colliding permutations. 223-227 - Fernanda Pambianco, Daniele Bartoli

, Giorgio Faina
, Stefano Marcugini:
Classification of the smallest minimal 1-saturating sets in PG(2, q), q≤23. 229-233 - Giuseppe Mazzuoccolo

:
New conjectures on perfect matchings in cubic graphs. 235-238 - Krystof Mekuta, Petr Gregor

:
Edge-fault-tolerant hamiltonicity of augmented cubes. 239-243 - Marco Buratti, Stefano Capparelli

, Francesca Merola
, Gloria Rinaldi
, Tommaso Traetta
:
A collection of results on Hamiltonian cycle systems with a nice automorphism group. 245-252 - Vedrana Mikulic Crnkovic

, Dean Crnkovic
:
Construction of 1-designs from group action. 253-257 - Koji Momihara:

Strongly regular Cayley graphs and rationality of relative Gauss sums. 259-263 - Fiorenza Morini

, Anna Benini, Achille Frigeri:
New designs from circular nearrings. 265-269 - Herivelto Martins Borges Filho

, Beatriz Motta
, Fernando Torres:
Complete arcs arising from a generalization of the Hermitian curve (extended abstract). 271-275 - Emanuele Munarini, Claudio Perelli Cippo:

On some colorings of a double graph. 277-281 - Vito Napolitano

:
On (q2+q+1)(q2+q+1)-sets of class [1, m, n]2[1, m, n]2 in PG(3, q)PG(3, q). 283-287 - Fernanda Pambianco, Alexander A. Davydov

, Daniele Bartoli
, Massimo Giulietti
, Stefano Marcugini:
A note on multiple coverings of the farthest-off points. 289-293 - Anita Pasotti

, Anna Benini:
Decompositions into generalized Petersen graphs via graceful labelings. 295-298 - Stefano Pasotti, Elena Zizioli:

Loops, regular permutation sets and graph colourings. 299-303 - Francesco Pavese

, Antonio Cossidente:
New infinite families of hyperovals on H(3, q2), q odd. 305-309 - Agnieszka Polak, Daniel Simson:

On Coxeter spectral classification of P-critical edge-bipartite graphs of Euclidean type An. 311-316 - Giorgio Ragusa, Antoinette Tripodi

:
Minimum embedding of path designs into kite systems. 317-321 - Mathieu Bogaerts, Giuseppe Mazzuoccolo

, Gloria Rinaldi
:
Invariant Kekulé structures in fullerene graphs. 323-327 - Ivan N. Landjev, Assya Rousseva

:
On t-fold blocking sets in affine spaces and the sharpness of Bruen's bound. 329-333 - Beatrice Ruini

:
Balance in graph-designs. 335-339 - Marién Abreu

, Gabriela Araujo-Pardo
, Camino Balbuena, Domenico Labbate
, Julián Salas
:
Families of small regular graphs of girth 7. 341-345 - Alessandro Siciliano, Nicola Durante:

New blocking semiovals in PG(2, 52)PG(2, 52) with a large homology group. 347-351 - Leo Storme

:
Erdős-Ko-Rado theorems in finite classical polar spaces. 353-358 - Hiroaki Taniguchi:

Simple expressions of the Buratti-Del Fra dual hyperoval and the deformation of the Veronesean dual hyperoval. 359-364 - Yanxun Chang, Junling Zhou, Giovanni Lo Faro

, Antoinette Tripodi
:
On tight blocking set in minimum coverings. 365-370 - Rita Vincenti, Hans-Joachim Kroll:

(2q+1)-arcs in PG(3, q3) stabilized by a Sylow p-subgroup of PSL(2, p). 371-376 - Daniel Simson, Katarzyna Zajac

:
An inflation algorithm and a toroidal mesh algorithm for edge-bipartite graphs. 377-383 - Stefano Pasotti, Elena Zizioli:

A construction of loops by means of regular permutation sets. 385-389

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