A Characterization of Designs Related to the Witt System S(5, 8, 24).
A Class of Unitary Block Designs.
A construction method for complete sets of mutually orthogonal frequency squares.
A construction of resolvable quadruple systems
A family of 4-designs on 26 points
Using the Kramer-Mesner method, - designs with as a group of automorphisms and with in the set are constructed. The search uses specific partitioning of columns of the orbit incidence matrix, related to so-called “quasi-designs”. Actions of groups , and twisted are being compared. It is shown that there exist - designs with , respectively twisted as a group of automorphisms and with in the set . With in the set , there exist designs which possess all three considered groups...
A few more cyclic Steiner 2-designs.
A Method for Classification of Doubly Resolvable Designs and Its Application
This article presents the principal results of the Ph.D. thesis Investigation and classification of doubly resolvable designs by Stela Zhelezova (Institute of Mathematics and Informatics, BAS), successfully defended at the Specialized Academic Council for Informatics and Mathematical Modeling on 22 February 2010.The resolvability of combinatorial designs is intensively investigated because of its applications. This research focuses on resolvable designs with an additional property - they have resolutions...
A new construction of the block systems B(4,1,25) and B(4,1, 28)
A Note on Component-Wise Kronecker Designs.
A Note on Connectedness of Block Designs.
A Note On Constructions Of Graphs By Means Of Their Spectra
A note on inequivalent Hadamard series.
A note on nonisomorphic Steiner quadruple systems
A note on -designs with intersection numbers.
A recursive construction of 1-rotational Steiner 2-designs.
A survey of pseudo (v, k, ...)-designs.
A triangle free configuration
Affine resolvable balanced incomplete block designs: a survey.
Affine resolvable incomplete block designs
Affine Triple Systems and Matroid Designs.