Locality-preserving representations of k-mer sets
13
Super-k-mers maps
PhD Thesis
Abstract
Introduction
1
Comparing genomic sequences
2
Comparing using k-mers
3
Sketching sequences
4
Sampling with minimizers
High-performance sequence processing
5
A primer on vectorization
6
Vectorized sequence parsing
7
Rolling hashes on sequences
8
Vectorized computation of minimizers
9
Application to sequence filtering
Discussion
Locality-preserving representations of k-mer sets
10
Background on k-mer sets
11
Necklaces and minimizers
12
Set representation and operations
13
Super-k-mers maps
14
Sketching super-k-mers
Discussion
Sampling k-mers to lower memory & complexity
15
Background on low density minimizers
16
Multiminimizers
17
Locally-consistent phrases
18
Lexicographic-informed sampling
Discussion
Discussion & conclusion
References
Appendices
A
Vectorized sequence parsing
B
A forward scheme for canonical minimizers
Locality-preserving representations of k-mer sets
13
Super-k-mers maps
13
Super-k-mers maps
Note
This chapter is adapted from
(
Smith
et al.
, 2024
)
and
(
Martayan
et al.
, 2025
)
.
Martayan
, I.,
Robidou
, L.,
Shibuya
, Y., &
Limasset
, A. (2025)
Hyper-k-mers: Efficient streaming k-mers representation
.
Research in computational molecular biology (RECOMB 2025)
. Springer Nature Switzerland.
Smith
, C.,
Martayan
, I.,
Limasset
, A., &
Dufresne
, Y. (2024)
Brisk: Exact resource-efficient dictionary for k-mers
.
bioRxiv
.
12
Set representation and operations
14
Sketching super-k-mers