Edit distance in near-linear time: It's a constant factor

A Andoni, NS Nosatzki - 2020 IEEE 61st Annual Symposium on …, 2020 - ieeexplore.ieee.org
We present an algorithm for approximating the edit distance between two strings of length n
in time n 1+ ε, for any, up to a constant factor. Our result completes a research direction set …

Near-optimal quantum algorithms for bounded edit distance and lempel-ziv factorization

D Gibney, C Jin, T Kociumaka, SV Thankachan - Proceedings of the 2024 …, 2024 - SIAM
Measuring sequence similarity and compressing texts are among the most fundamental
tasks in string algorithms. In this work, we develop near-optimal quantum algorithms for the …

Approximating edit distance in the fully dynamic model

T Kociumaka, A Mukherjee… - 2023 IEEE 64th Annual …, 2023 - ieeexplore.ieee.org
The edit distance is a fundamental measure of sequence similarity, defined as the minimum
number of character insertions, deletions, and substitutions needed to transform one string …

Optimal algorithms for bounded weighted edit distance

A Cassis, T Kociumaka… - 2023 IEEE 64th Annual …, 2023 - ieeexplore.ieee.org
The edit distance (also known as Levenshtein distance) of two strings is the minimum
number of insertions, deletions, and substitutions of characters needed to transform one …

Gap edit distance via non-adaptive queries: Simple and optimal

E Goldenberg, T Kociumaka… - 2022 IEEE 63rd …, 2022 - ieeexplore.ieee.org
We study the problem of approximating edit distance in sublinear time. This is formalized as
the (k,\k^c)-GAP EDIT DISTANCE problem, where the input is a pair of strings X,Y and …

Improved sublinear-time edit distance for preprocessed strings

K Bringmann, A Cassis, N Fischer, V Nakos - arXiv preprint arXiv …, 2022 - arxiv.org
We study the problem of approximating the edit distance of two strings in sublinear time, in a
setting where one or both string (s) are preprocessed, as initiated by Goldenberg …

Bounded Edit Distance: Optimal Static and Dynamic Algorithms for Small Integer Weights

E Gorbachev, T Kociumaka - arXiv preprint arXiv:2404.06401, 2024 - arxiv.org
The edit distance of two strings is the minimum number of insertions, deletions, and
substitutions needed to transform one string into the other. The textbook algorithm …

Algorithms for sparse convolution and sublinear edit distance

N Fischer - 2023 - publikationen.sulb.uni-saarland.de
In this PhD thesis on fine-grained algorithm design and complexity, we investigate output-
sensitive and sublinear-time algorithms for two important problems.(1) Sparse Convolution …

Brief Announcement: Upper and Lower Bounds for Edit Distance in Space-Efficient MPC

D Das, J Gilbert, MT Hajiaghayi, T Kociumaka… - Proceedings of the 36th …, 2024 - dl.acm.org
In the Massively Parallel Computation (MPC) model, data is distributed across multiple
processors, and we call an algorithm space-efficient if each machine has n^ 1-ε+ o (1) …

An algorithmic bridge between Hamming and Levenshtein distances

E Goldenberg, T Kociumaka, R Krauthgamer… - arXiv preprint arXiv …, 2022 - arxiv.org
The edit distance between strings classically assigns unit cost to every character insertion,
deletion, and substitution, whereas the Hamming distance only allows substitutions. In many …