Alfonso Cevallos

21 papers A* 5B 2C 1Journal 13
YearRankTypeTitle / Venue / Authors
2025 J jnl
The Merkle Mountain Belt.
CoRR
Alfonso Cevallos, Robert Hambrock, Alistair Stewart
2024 A* conf
Approval-Based Committee Voting in Practice: A Case Study of (over-)Representation in the Polkadot Blockchain.
AAAI
Niclas Boehmer, Markus Brill, Alfonso Cevallos, Jonas Gehrlein, Luis Sánchez Fernández, Ulrike Schmidt-Kraepelin
2024 J jnl
Efficient Execution Auditing for Blockchains under Byzantine Assumptions.
IACR Cryptol. ePrint Arch.
Jeff Burdges, Alfonso Cevallos, Handan Kilinç Alper, Chen-Da Liu-Zhang, Fatemeh Shirazi, Alistair Stewart, Rob Habermeier, Robert Klotzner, Andronik Ordian
2023 J jnl
Approval-Based Committee Voting in Practice: A Case Study of (Over-)Representation in the Polkadot Blockchain.
CoRR
Niclas Boehmer, Markus Brill, Alfonso Cevallos, Jonas Gehrlein, Luis Sánchez Fernández, Ulrike Schmidt-Kraepelin
2021 B conf
A verifiably secure and proportional committee election rule.
AFT
Alfonso Cevallos, Alistair Stewart
2020 J jnl
Overview of Polkadot and its Design Considerations.
CoRR
Jeff Burdges, Alfonso Cevallos, Peter Czaban, Rob Habermeier, Syed Hosseini, Fabio Lama, Handan Kilinç Alper, Ximin Luo, Fatemeh Shirazi, Alistair Stewart, Gavin Wood
2020 J jnl
Overview of Polkadot and its Design Considerations.
IACR Cryptol. ePrint Arch.
Jeff Burdges, Alfonso Cevallos, Peter Czaban, Rob Habermeier, Syed Hosseini, Fabio Lama, Handan Kilinç Alper, Ximin Luo, Fatemeh Shirazi, Alistair Stewart, Gavin Wood
2020 J jnl
Validator election in nominated proof-of-stake.
CoRR
Alfonso Cevallos, Alistair Stewart
2019 J jnl
An Improved Analysis of Local Search for Max-Sum Diversification.
Math. Oper. Res.
Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen
2018 B conf
Diversity Maximization in Doubling Metrics.
ISAAC
Alfonso Cevallos, Friedrich Eisenbrand, Sarah Morell
2018 J jnl
Diversity maximization in doubling metrics.
CoRR
Alfonso Cevallos, Friedrich Eisenbrand, Sarah Morell
2018 A* conf
Lifting Linear Extension Complexity Bounds to the Mixed-Integer Setting.
SODA
Alfonso Cevallos, Stefan Weltge, Rico Zenklusen
2018 J jnl
On 2-Level Polytopes Arising in Combinatorial Settings.
SIAM J. Discret. Math.
Manuel Aprile, Alfonso Cevallos, Yuri Faenza
2017 J jnl
Lifting Linear Extension Complexity Bounds to the Mixed-Integer Setting.
CoRR
Alfonso Cevallos, Stefan Weltge, Rico Zenklusen
2017 A* conf
Local Search for Max-Sum Diversification.
SODA
Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen
2017 J jnl
On vertices and facets of combinatorial 2-level polytopes.
CoRR
Manuel Aprile, Alfonso Cevallos, Yuri Faenza
2016 J jnl
Local Search for Max-Sum Diversification.
CoRR
Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen
2016 A* conf
Max-Sum Diversity Via Convex Programming.
SoCG
Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen
2016 C conf
On Vertices and Facets of Combinatorial 2-Level Polytopes.
ISCO
Manuel Aprile, Alfonso Cevallos, Yuri Faenza
2015 J jnl
Max-sum diversity via convex programming.
CoRR
Alfonso Cevallos, Friedrich Eisenbrand, Rico Zenklusen
2012 A* conf
Unconditionally-Secure Robust Secret Sharing with Compact Shares.
EUROCRYPT
Alfonso Cevallos, Serge Fehr, Rafail Ostrovsky, Yuval Rabani