Algebraic Design Theory and Hadamard Matrices

On ( 1, 1)-matrices of skew type with the maximal determinants and tournaments. - On good matrices and skew Hadamard matrices. - Suitable permutations, binary covering arrays, and Paley matrices. - Divisible design digraphs. - New symmetric (61, 16, 4) designs obtained from codes. - D-optimal matrices of orders 118, 138, 150, 154 and 174. - Periodic Golay pairs of length 72. - Classifying cocyclic Butson Hadamard matrices. - Signed group orthogonal designs and their applications. - On symmetric designs and binary 3-frameproof codes. - An algorithm for constructing Hjelmslev planes. - Mutually unbiased biangular vectors and association schemes. - A simple construction of complex equiangular lines. - Inner product vectors for skew-Hadamard matrices. - Twin bent functions and Clifford algebras. - A Walsh Fourier approach to the circulant Hadamard matrices. - A note on order and eigenvalue multiplicity of strongly regular graphs. - Trades in complex Hadamard matrices. - The hunt for weighting matrices of small orders. - Menon Hadamard difference sets obtained from a local field by natural projections. - BIRS Workshop 14w2199 July 11 13, 2014 Problem Solving Session.