A complete span of H(4,4) admitting PSL_2(11) and related structures

Antonio Cossidente, Gary L. Ebert, Giuseppe Marino


We construct a complete $11$--span of $\mathcal{H}(4,4)$ admitting

the group $\mathrm{PSL}_2(11)$. This span turns out to be associated with

the unique Hadamard design $\mathcal{H}_{11}$ and the so-called

Petersen design.

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PID: http://hdl.handle.net/10515/sy5794183

Contributions to Discrete Mathematics. ISSN: 1715-0868