Some formulas for the central trinomial and Motzkin numbers. Romik, Dan — 2003 Journal of Integer Sequences [electronic only]
Random walks with k -wise independent increments. Benjamini, Itai; Kozma, Gady; Romik, Dan — 2006 Electronic Communications in Probability [electronic only]
Projecting the surface measure of the sphere of ℓ p n Assaf Naor; Dan Romik — 2003 Annales de l'I.H.P. Probabilités et statistiques