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cs.DS2021
Internal Shortest Absent Word Queries in Constant Time and Linear Space
Golnaz Badkobeh, Panagiotis Charalampopoulos, Dmitry Kosolobov +1
Given a string of length over an alphabet of size , we are to preprocess so that given a range , we can return a representa…
math.CO2021
Avoiding Square-Free Words on Free Groups
Golnaz Badkobeh, Tero Harju, Pascal Ochem +1
We consider sets of factors that can be avoided in square-free words on two-generator free groups. The elements of the group are presented in terms of 0,1,2,3 such that 0 and 2 (re…