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Internal Quasiperiod Queries
Maxime Crochemore, Costas Iliopoulos, Jakub Radoszewski +4
Internal pattern matching requires one to answer queries about factors of a given string. Many results are known on answering internal period queries, asking for the periods of a g…
The Number of Repetitions in 2D-Strings
Panagiotis Charalampopoulos, Jakub Radoszewski, Wojciech Rytter +2
The notions of periodicity and repetitions in strings, and hence these of runs and squares, naturally extend to two-dimensional strings. We consider two types of repetitions in 2D-…
Counting Distinct Patterns in Internal Dictionary Matching
Panagiotis Charalampopoulos, Tomasz Kociumaka, Manal Mohamed +5
We consider the problem of preprocessing a text of length and a dictionary in order to be able to efficiently answer queries , that is, gi…