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Record W7132925818

Nash Equilibrium Seeking with Dynamic Agents in Networks

2024· dissertation· W7132925818 on OpenAlexaff
Andrew Richard Romano

Bibliographic record

VenueTSpace · 2024
Typedissertation
Language
FieldEngineering
TopicExtremum Seeking Control Systems
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsNash equilibriumConstraint (computer-aided design)Stability (learning theory)Convergence (economics)Action (physics)Set (abstract data type)Best responseFunction (biology)Control theory (sociology)Penalty method
DOInot available

Abstract

fetched live from OpenAlex

In this thesis, we investigate methods of designing distributed (generalized) Nash equilibrium (GNE) seeking algorithms in continuous-time for agents with inherent dynamics. In real-world applications, the action of each agent may correspond to a physical quantity, that is actuated through a control input. In such settings, the algorithms considered take the form of distributed, dynamic feedback controllers with networked communication that seek to drive the action to the (G)NE in steady-state. The specific contributions of the thesis take two forms. First, we propose a general framework for designing distributed Nash equilibrium (NE) seeking controllers for decoupled LTI agents. Using this methodology, we show that the problem is reduced to the design of a set of decentralized stabilizing controllers. We investigate various methods of designing these controllers, first for quadratic games using LTI control theory and diagonal stability theory and then for non-quadratic games using passivity and H-infinity control theory. Second, we consider designing distributed GNE seeking feedbacks for dynamic agents in games with coupled constraints. Current methods can only ensure constraint satisfaction in steady-state. In contrast, we propose an inexact penalty method using a barrier function for agents with equilibrium-independent passive dynamics. Initially, we show that with fixed barrier function these dynamics converge to a suboptimal epsilon-GNE while satisfying the constraints for all time, not only in steady-state. Then, we consider allowing the log-barrier function to vary in time in order to achieve exact convergence to the variational GNE.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.003
Threshold uncertainty score0.007

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0000.000
Science and technology studies0.0010.002
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.012
GPT teacher head0.289
Teacher spread0.277 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2024
Admission routes1
Has abstractyes

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