Edit distance neighbourhoods of input-driven pushdown automata

A Okhotin, K Salomaa - International Computer Science Symposium in …, 2017 - Springer
Edit distance ℓ-neighbourhood of a formal language is the set of all strings that can be
transformed to one of the strings in this language by at most ℓ insertions and deletions. Both …

[HTML][HTML] Edit distance neighbourhoods of input-driven pushdown automata

A Okhotin, K Salomaa - Theoretical Computer Science, 2019 - Elsevier
Edit distance ℓ-neighbourhood of a formal language is the set of all strings that can be
transformed to one of the strings in this language by at most ℓ insertions and deletions. Both …

Relative Prefix Distance Between Languages

T Ng, D Rappaport, K Salomaa - International Conference on …, 2017 - Springer
The prefix distance between two words x and y is defined as the number of symbols in x and
y that do not belong to their longest common prefix. The relative prefix distance from a …

State Complexity of Suffix Distance

T Ng, D Rappaport, K Salomaa - International Journal of …, 2019 - World Scientific
The neighbourhood of a regular language with respect to the prefix, suffix and subword
distance is always regular and a tight bound for the state complexity of prefix distance …