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If a pseudo-oval $\\mathcal{O}$ is obtained by applying field reduction to a conic in $\\mathrm{PG}(2,q^n)$, then $\\mathcal{O}$ is called a {\\em pseudo-conic}.\n  We first explain the connection of (pseudo-)arcs with Laguerre planes, orthogonal arrays and generalised quadrangles. 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