Alfonso Cevallos

According to our database, Alfonso Cevallos authored at least 13 papers between 2012 and 2024.

Collaborative distances:

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

2024

Efficient Execution Auditing for Blockchains under Byzantine Assumptions.

Jeff Burdges, Alfonso Cevallos, Handan Kilinç Alper, Chen-Da Liu-Zhang, Fatemeh Shirazi, Alistair Stewart, Rob Habermeier, Robert Klotzner, Andronik Ordian

IACR Cryptol. ePrint Arch., 2024

Approval-Based Committee Voting in Practice: A Case Study of (over-)Representation in the Polkadot Blockchain.

Niclas Boehmer, Markus Brill, Alfonso Cevallos, Jonas Gehrlein, Luis Sánchez Fernández, Ulrike Schmidt-Kraepelin

Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, 2024

2021

A verifiably secure and proportional committee election rule.

Alfonso Cevallos, Alistair Stewart

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

2020

Overview of Polkadot and its Design Considerations.

Jeff Burdges, Alfonso Cevallos, Peter Czaban, Rob Habermeier, Syed Hosseini, Fabio Lama, Handan Kilinç Alper, Ximin Luo, Fatemeh Shirazi, Alistair Stewart, Gavin Wood

IACR Cryptol. ePrint Arch., 2020

Validator election in nominated proof-of-stake.

Alfonso Cevallos, Alistair Stewart

CoRR, 2020

2019

An Improved Analysis of Local Search for Max-Sum Diversification.

Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen

Math. Oper. Res., 2019

2018

On 2-Level Polytopes Arising in Combinatorial Settings.

Manuel Aprile, Alfonso Cevallos, Yuri Faenza

SIAM J. Discret. Math., 2018

Lifting Linear Extension Complexity Bounds to the Mixed-Integer Setting.

Alfonso Cevallos, Stefan Weltge, Rico Zenklusen

Proceedings of the Twenty-Ninth Annual ACM-SIAM Symposium on Discrete Algorithms, 2018

Diversity Maximization in Doubling Metrics.

Alfonso Cevallos, Friedrich Eisenbrand, Sarah Morell

Proceedings of the 29th International Symposium on Algorithms and Computation, 2018

2017

Local Search for Max-Sum Diversification.

Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen

Proceedings of the Twenty-Eighth Annual ACM-SIAM Symposium on Discrete Algorithms, 2017

2016

On Vertices and Facets of Combinatorial 2-Level Polytopes.

Manuel Aprile, Alfonso Cevallos, Yuri Faenza

Proceedings of the Combinatorial Optimization - 4th International Symposium, 2016

Max-Sum Diversity Via Convex Programming.

Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen

Proceedings of the 32nd International Symposium on Computational Geometry, 2016

2012

Unconditionally-Secure Robust Secret Sharing with Compact Shares.

Alfonso Cevallos, Serge Fehr, Rafail Ostrovsky, Yuval Rabani

Proceedings of the Advances in Cryptology - EUROCRYPT 2012, 2012