Colloq_CS_EE: String Reconstruction from Substring Compositions

פרופ' אלון אורליצקי (אונ' קליפורניה בסן דיאגו)
יום רביעי, 20.7.2011, 13:30
חדר 1003, בניין מאייר, הפקולטה להנדסת חשמל

Motivated by mass-spectrometry protein sequencing, we consider the simple problem of reconstructing a string from its substring compositions. Relating the question to the long-standing turnpike problem, polynomial factorization, and cyclotomic polynomials, we cleanly characterize the lengths of reconstructable strings and the structure of non-reconstructable ones. The talk is elementary and self contained and covers work with Jayadev Acharya, Hirakendu Das, Olgica Milenkovic, and Shengjun Pan.

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