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Martin Ryner

dblp:325/5435 · DBLP profile ↗
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1ranked-venue papers
1as first author
1since 2021 · last 2023
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Theoretical computer science
1 paper
Mathematical optimization · 100%
Interdisciplinary, comprehensive, and emerging computing
1 paper
Bioinformatics and computational biology · 100%

Topics — the 5 heaviest of 6, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Mathematical optimization
continuous optimization
0.712023
Globally solving the Gromov-Wasserstein problem for point clouds in low dimensional Euclidean spaces · NeurIPS 2023
Mathematical optimization
discrete optimization
0.712023
Globally solving the Gromov-Wasserstein problem for point clouds in low dimensional Euclidean spaces · NeurIPS 2023
Mathematical optimization › optimal transport
gromov-wasserstein distance
0.712023
Globally solving the Gromov-Wasserstein problem for point clouds in low dimensional Euclidean spaces · NeurIPS 2023
Mathematical optimization
optimal transport
0.712023
Globally solving the Gromov-Wasserstein problem for point clouds in low dimensional Euclidean spaces · NeurIPS 2023
Mathematical optimization › combinatorial optimization › assignment problem
quadratic assignment problem
0.712023
Globally solving the Gromov-Wasserstein problem for point clouds in low dimensional Euclidean spaces · NeurIPS 2023

Methods — techniques the papers use, named apart from their topics

low-rank reformulation · 1.3concave quadratic optimization · 1.3
YearPublicationVenuePosition
2023 Globally solving the Gromov-Wasserstein problem for point clouds in low dimensional Euclidean spaces
abstract
This paper presents a framework for computing the Gromov-Wasserstein problem between two sets of points in low dimensional spaces, where the discrepancy is the squared Euclidean norm. The Gromov-Wasserstein problem is a generalization of the optimal transport problem that finds the assignment between two sets preserving pairwise distances as much as possible. This can be used to quantify the similarity between two formations or shapes, a common problem in AI and machine learning. The problem can be formulated as a Quadratic Assignment Problem (QAP), which is in general computationally intractable even for small problems. Our framework addresses this challenge by reformulating the QAP as an optimization problem with a low-dimensional domain, leveraging the fact that the problem can be expressed as a concave quadratic optimization problem with low rank. The method scales well with the number of points, and it can be used to find the global solution for large-scale problems with thousands of points. We compare the computational complexity of our approach with state-of-the-art methods on synthetic problems and apply it to a near-symmetrical problem which is of particular interest in computational biology.
Martin Ryner, Jan Kronqvist
NeurIPS1