Stefanos Leonardos

According to our database, Stefanos Leonardos authored at least 40 papers between 2016 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

A generalization of the increasing generalized failure rate unimodality condition.

Stefanos Leonardos, Constandina Koki, Costis Melolidakis

Ann. Oper. Res., May, 2024

Introduction to the Special Issue on Mathematical Research for Blockchain Economy.

Stefanos Leonardos, William J. Knottenbelt, Elise Alfieri, Panos M. Pardalos, Ilias S. Kotsireas

Distributed Ledger Technol. Res. Pract., March, 2024

AdChain: Decentralized Header Bidding.

Behkish Nassirzadeh, Albert Heinle, Stefanos Leonardos, Anwar Hasan, Vijay Ganesh

CoRR, 2024

On the Redistribution of Maximal Extractable Value: A Dynamic Mechanism.

Pedro Braga, Georgios Chionas, Stefanos Leonardos, Piotr Krysta, Georgios Piliouras, Carmine Ventre

CoRR, 2024

Beating Price of Anarchy and Gradient Descent without Regret in Potential Games.

Iosif Sakos, Stefanos Leonardos, Stelios Andrew Stavroulakis, Will Overman, Ioannis Panageas, Georgios Piliouras

Proceedings of the Twelfth International Conference on Learning Representations, 2024

Strategic Bidding Wars in On-chain Auctions.

Fei Wu, Thomas Thiery, Stefanos Leonardos, Carmine Ventre

Proceedings of the IEEE International Conference on Blockchain and Cryptocurrency, 2024

To Compete or Collude: Bidding Incentives in Ethereum Block Building Auctions.

Fei Wu, Thomas Thiery, Stefanos Leonardos, Carmine Ventre

Proceedings of the 5th ACM International Conference on AI in Finance, 2024

MEV Sharing with Dynamic Extraction Rates.

Pedro Braga, Georgios Chionas, Piotr Krysta, Stefanos Leonardos, Georgios Piliouras, Carmine Ventre

Proceedings of the Workshop on Decentralized Finance and Security, 2024

Experience Report of the AWS+KCL Impact Accelerator for Public Sector Engagement.

Caitlin Bentley, Elena Simperl, Mike Bainbridge, Daisy Ogden, Stefanos Leonardos, Gunel Jahangirova, Joanna Walker, Wenjie Yin, Christopher Hampson

Proceedings of the 36th International Conference on Software Engineering Education and Training, 2024

CountChain: A Decentralized Oracle Network for Counting Systems.

Behkish Nassirzadeh, Albert Heinle, Stefanos Leonardos, Anwar Hasan, Vijay Ganesh

Proceedings of the IEEE International Conference on Blockchain, 2024

The Selfishness Level of Social Dilemmas.

Stefan Roesch, Stefanos Leonardos, Yali Du

Proceedings of the 23rd International Conference on Autonomous Agents and Multiagent Systems, 2024

Who gets the Maximal Extractable Value? A Dynamic Sharing Blockchain Mechanism.

Pedro Braga, Georgios Chionas, Piotr Krysta, Stefanos Leonardos, Georgios Piliouras, Carmine Ventre

Proceedings of the 23rd International Conference on Autonomous Agents and Multiagent Systems, 2024

2023

Catastrophe by Design in Population Games: A Mechanism to Destabilize Inefficient Locked-in Technologies.

Stefanos Leonardos, Joseph Sakos, Costas Courcoubetis, Georgios Piliouras

ACM Trans. Economics and Comput., 2023

AlberDICE: Addressing Out-Of-Distribution Joint Actions in Offline Multi-Agent RL via Alternating Stationary Distribution Correction Estimation.

Daiki E. Matsunaga, Jongmin Lee, Jaeseok Yoon, Stefanos Leonardos, Pieter Abbeel, Kee-Eung Kim

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Optimality Despite Chaos in Fee Markets.

Stefanos Leonardos, Daniël Reijsbergen, Barnabé Monnot, Georgios Piliouras

Proceedings of the Financial Cryptography and Data Security, 2023

2022

Monopoly pricing in vertical markets with demand uncertainty.

Stefanos Leonardos, Costis Melolidakis, Constandina Koki

Ann. Oper. Res., 2022

Exploration-exploitation in multi-agent learning: Catastrophe theory meets game theory.

Stefanos Leonardos, Georgios Piliouras

Artif. Intell., 2022

Griefing Factors and Evolutionary In-Stabilities in Blockchain Mining Games.

Stefanos Leonardos, Shyam Sridhar, Yun Kuen Cheung, Georgios Piliouras

Proceedings of the 3rd International Conference on Mathematical Research for Blockchain Economy, 2022

Market Equilibria and Risk Diversification in Blockchain Mining Economies.

Yun Kuen Cheung, Stefanos Leonardos, Shyam Sridhar, Georgios Piliouras

Proceedings of the 3rd International Conference on Mathematical Research for Blockchain Economy, 2022

Global Convergence of Multi-Agent Policy Gradient in Markov Potential Games.

Stefanos Leonardos, Will Overman, Ioannis Panageas, Georgios Piliouras

Proceedings of the Tenth International Conference on Learning Representations, 2022

2021

Strategic customer behavior in a queueing system with alternating information structure.

Yiannis Dimitrakopoulos, Antonis Economou, Stefanos Leonardos

Eur. J. Oper. Res., 2021

From Griefing to Stability in Blockchain Mining Economies.

Yun Kuen Cheung, Stefanos Leonardos, Georgios Piliouras, Shyam Sridhar

CoRR, 2021

Exploration-Exploitation in Multi-Agent Competition: Convergence with Bounded Rationality.

Stefanos Leonardos, Georgios Piliouras, Kelly Spendlove

Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

Learning in Markets: Greed Leads to Chaos but Following the Price is Right.

Yun Kuen Cheung, Stefanos Leonardos, Georgios Piliouras

Proceedings of the Thirtieth International Joint Conference on Artificial Intelligence, 2021

Transaction Fees on a Honeymoon: Ethereum's EIP-1559 One Month Later.

Daniël Reijsbergen, Shyam Sridhar, Barnabé Monnot, Stefanos Leonardos, Stratis Skoulakis, Georgios Piliouras

Proceedings of the 2021 IEEE International Conference on Blockchain, 2021

Dynamical analysis of the EIP-1559 Ethereum fee market.

Stefanos Leonardos, Barnabé Monnot, Daniël Reijsbergen, Efstratios Skoulakis, Georgios Piliouras

Proceedings of the AFT '21: 3rd ACM Conference on Advances in Financial Technologies, Arlington, Virginia, USA, September 26, 2021

2020

PREStO: A Systematic Framework for Blockchain Consensus Protocols.

Stefanos Leonardos, Daniël Reijsbergen, Georgios Piliouras

IEEE Trans. Engineering Management, 2020

Weighted voting on the blockchain: Improving consensus in proof of stake protocols.

Stefanos Leonardos, Daniël Reijsbergen, Georgios Piliouras

Int. J. Netw. Manag., 2020

Incentives in Ethereum's hybrid Casper protocol.

Vitalik Buterin, Daniël Reijsbergen, Stefanos Leonardos, Georgios Piliouras

Int. J. Netw. Manag., 2020

Endogenizing the Cost Parameter in Cournot Oligopoly.

Stefanos Leonardos, Costis Melolidakis

IGTR, 2020

Do Cryptocurrency Prices Camouflage Latent Economic Effects? A Bayesian Hidden Markov Approach.

Constandina Koki, Stefanos Leonardos, Georgios Piliouras

Future Internet, 2020

Catastrophe by Design in Population Games: Destabilizing Wasteful Locked-in Technologies.

Stefanos Leonardos, Iosif Sakos, Costas Courcoubetis, Georgios Piliouras

CoRR, 2020

Catastrophe by Design in Population Games: Destabilizing WastefulLocked-In Technologies.

Stefanos Leonardos, Iosif Sakos, Costas Courcoubetis, Georgios Piliouras

Proceedings of the Web and Internet Economics - 16th International Conference, 2020

2019

Oceanic Games: Centralization Risks and Incentives in Blockchain Mining.

Nikos Leonardos, Stefanos Leonardos, Georgios Piliouras

Proceedings of the 1st International Conference on Mathematical Research for Blockchain Economy, 2019

2018

Preface.

Trine Tornøe Platz, Peter Sudhölter, José Manuel Zarzuelo, Lars Peter Østerdal, Stefanos Leonardos, Costis Melolidakis

IGTR, 2018

Upstream Demand Uncertainty in a Two-Echelon Supply Chain: Comparative Statics via Stochastic Orderings.

Constandina Koki, Stefanos Leonardos, Costis Melolidakis

CoRR, 2018

The Greek Parliament of 2012: Coalition Formations & Power Indices in Context.

Constandina Koki, Stefanos Leonardos

CoRR, 2018

Measuring Market Performance with Stochastic Demand: Price of Anarchy and Price of Uncertainty.

Costis Melolidakis, Stefanos Leonardos, Constandina Koki

Proceedings of the Belief Functions: Theory and Applications, 2018

2017

Selling to Cournot oligopolists: pricing under uncertainty & generalized mean residual life.

Stefanos Leonardos, Costis Melolidakis

CoRR, 2017

2016

On the commitment value and commitment optimal strategies in bimatrix games.

Stefanos Leonardos, Costis Melolidakis

CoRR, 2016