Symbolic and numerical computation in determining P-critical unit forms and Tits P-critical posets. - Agnieszka Polak; Daniel Simson (Electron. Notes Discret. Math., 2011)

A mesh algorithm for principal quadratic forms. - Agnieszka Polak (Ann. UMCS Informatica, 2011)

Algorithmic Experiences in Coxeter Spectral Study of P-critical Edge-Bipartite Graphs and Posets. - Agnieszka Polak; Daniel Simson (SYNASC, 2013)

On Coxeter spectral classification of P-critical edge-bipartite graphs of Euclidean type An. - Agnieszka Polak; Daniel Simson (Electron. Notes Discret. Math., 2013)