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Andrey Krasnov

dblp:396/6260 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2024
—ORCID · none

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

Artificial intelligence and machine learning · 1 · 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%

Topics — the 2 heaviest of 2, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Mathematical optimization › continuous optimization › convex optimization › first-order methods
accelerated optimization
0.812024
Acceleration Exists! Optimization Problems When Oracle Can Only Compare Objective Function Values · NeurIPS 2024
Mathematical optimization
black-box optimization
0.812024
Acceleration Exists! Optimization Problems When Oracle Can Only Compare Objective Function Values · NeurIPS 2024

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

stochastic order oracle · 0.8order oracle · 0.8
YearPublicationVenuePosition
2024 Acceleration Exists! Optimization Problems When Oracle Can Only Compare Objective Function Values
abstract
Frequently, the burgeoning field of black-box optimization encounters challenges due to a limited understanding of the mechanisms of the objective function. To address such problems, in this work we focus on the deterministic concept of Order Oracle, which only utilizes order access between function values (possibly with some bounded noise), but without assuming access to their values. As theoretical results, we propose a new approach to create non-accelerated optimization algorithms (obtained by integrating Order Oracle into existing optimization “tools”) in non-convex, convex, and strongly convex settings that are as good as both SOTA coordinate algorithms with first-order oracle and SOTA algorithms with Order Oracle up to logarithm factor. Moreover, using the proposed approach, _we provide the first accelerated optimization algorithm using the Order Oracle_. And also, using an already different approach we provide the asymptotic convergence of _the first algorithm with the stochastic Order Oracle concept_. Finally, our theoretical results demonstrate effectiveness of proposed algorithms through numerical experiments.
Aleksandr V. Lobanov, Alexander V. Gasnikov, Andrey Krasnov
NeurIPS3