Justin Dallant

activity

20202025

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math.CO2024

An Improved Lower Bound on the Number of Pseudoline Arrangements

Fernando Cortés Kühnast, Justin Dallant, Stefan Felsner +1

Arrangements of pseudolines are classic objects in discrete and computational geometry. They have been studied with increasing intensity since their introduction almost 100 years a…

cs.CG2024

Improved Lower Bound on the Number of Pseudoline Arrangements

Justin Dallant

We show that for large enough $n$ , the number of non-isomorphic pseudoline arrangements of order $n$ is greater than $2^{c \cdot n^{2}}$ for some constant $c > 0.2604$ , improving the…