activity
20122026
most citedElections with Few Voters: Candidate Control Can Be Easy

36 citations · 167 across the 66 of their papers we have counts for

collaborators

75 papers

cs.CR2026

Cardano's Voltaire Governance: Complete Specification and Research Program

Nimrod Talmon, Oghenekaro Elem

Blockchain governance, the set of processes by which decentralized protocols evolve, remains a fundamental challenge in balancing adaptability, security, and stakeholder representa…

cs.MA2026

Constitutional Governance in Metric Spaces

Ehud Shapiro, Nimrod Talmon

Computational social choice and algorithmic decision theory offer rich aggregation theory but no end-to-end process for egalitarian self-governance: aggregation, deliberation, amen…

cs.LG2026

Probably Approximately Consensus: On the Learning Theory of Finding Common Ground

Carter Blair, Ben Armstrong, Shiri Alouf-Heffetz +2

A primary goal of online deliberation platforms is to identify ideas that are broadly agreeable to a community of users through their expressed preferences. Yet, consensus elicitat…

cs.GT2026

Query-Based Committee Selection

Itay Asher Zimet, Shiri Alouf-Heffetz, Nimrod Talmon

Purpose: Multiwinner voting rules typically require full knowledge of voter preferences, which becomes impractical in large-scale or attention-limited settings. This paper investig…

cs.CR2026

An Adaptive Multichain Blockchain: A Multiobjective Optimization Approach

Nimrod Talmon, Haim Zysberg

Blockchains are widely used for secure transaction processing, but their scalability remains limited, and existing multichain designs are typically static even as demand and capaci…

cs.GT2026

Adjusted Winner: from Splitting to Selling

Robert Bredereck, Bin Sun, Eyal Briman +1

The Adjusted Winner (AW) method is a fundamental procedure for the fair division of indivisible resources between two agents. However, its reliance on splitting resources can lead…

cs.CR2026

Legitimate Overrides in Decentralized Protocols

Oghenekaro Elem, Nimrod Talmon

Decentralized protocols claim immutable, rule-based execution, yet many embed emergency mechanisms such as chain-level freezes, protocol pauses, and account quarantines. These over…

cs.GT2026★ 1 cited

How Similar Are Two Elections?

Piotr Faliszewski, Piotr Skowron, Arkadii Slinko +3

We introduce and study isomorphic distances between ordinal elections (with the same numbers of candidates and voters). The main feature of these distances is that they are invaria…

cs.MA2025

AI-Generated Compromises for Coalition Formation: Modeling, Simulation, and a Textual Case Study

Eyal Briman, Ehud Shapiro, Nimrod Talmon

The challenge of finding compromises between agent proposals is fundamental to AI sub-fields such as argumentation, mediation, and negotiation. Building on this tradition, Elkind e…

cs.SD2025

Algorithms for Collaborative Harmonization

Eyal Briman, Eyal Leizerovich, Nimrod Talmon

We consider a specific scenario of text aggregation, in the realm of musical harmonization. Musical harmonization shares similarities with text aggregation, however the language of…

cs.GT2025

A Dynamic Approach to Collaborative Document Writing (Full Version)

Avital Finanser, Nimrod Talmon

We introduce a model for collaborative text aggregation in which an agent community coauthors a document, modeled as an unordered collection of paragraphs, using a dynamic mechanis…

cs.GT2025

A Social Choice Analysis of Optimism's Retroactive Project Funding

Eyal Briman, Nimrod Talmon, Angela Kreitenweis +1

The Optimism Retroactive Project Funding (RetroPGF) is a key initiative within the blockchain ecosystem that retroactively rewards projects deemed valuable to the Ethereum and Opti…

cs.MA2025

AI-Generated Compromises for Coalition Formation

Eyal Briman, Ehud Shapiro, Nimrod Talmon

The challenge of finding compromises between agent proposals is fundamental to AI subfields such as argumentation, mediation, and negotiation. Building on this tradition, Elkind et…

cs.SI2025

Framework of Voting Prediction of Parliament Members

Zahi Mizrahi, Shai Berkovitz, Nimrod Talmon +1

Keeping track of how lawmakers vote is essential for government transparency. While many parliamentary voting records are available online, they are often difficult to interpret, m…

cs.DC2025

Constitutional Consensus for Democratic Governance

Idit Keidar, Andrew Lewis-Pye, Ehud Shapiro +1

Permissionless-consensus-based Decentralised Autonomous Organisations (DAOs) are the prevailing paradigm for participant-governed digital organisations. As participants have verifi…

cs.DC2025

Grassroots Federation: Fair Democratic Governance at Scale

Ehud Shapiro, Nimrod Talmon

We propose a framework for the fair democratic governance of federated digital communities that form and evolve dynamically, where small groups self-govern and larger groups are re…

cs.MA2025

Drawing a Map of Elections

Stanisław Szufa, Niclas Boehmer, Robert Bredereck +5

Our main contribution is the introduction of the map of elections framework. A map of elections consists of three main elements: (1) a dataset of elections (i.e., collections of or…

cs.GT2024

Federated Assemblies

Daniel Halpern, Ariel D. Procaccia, Ehud Shapiro +1

A citizens' assembly is a group of people who are randomly selected to represent a larger population in a deliberation. While this approach has successfully strengthened democracy,…

physics.soc-ph2024

Optimizing Viscous Democracy

Ben Armstrong, Shiri Alouf-Heffetz, Nimrod Talmon

Viscous democracy is a generalization of liquid democracy, a social choice framework in which voters may transitively delegate their votes. In viscous democracy, a "viscosity" fact…

cs.GT2024

Controlling Delegations in Liquid Democracy

Shiri Alouf-Heffetz, Tanmay Inamdar, Pallavi Jain +2

In liquid democracy, agents can either vote directly or delegate their vote to a different agent of their choice. This results in a power structure in which certain agents possess…

cs.CY2024★ 2 cited

Enabling the Digital Democratic Revival: A Research Program for Digital Democracy

Davide Grossi, Ulrike Hahn, Michael Mäs +26

This white paper outlines a long-term scientific vision for the development of digital-democracy technology. We contend that if digital democracy is to meet the ambition of enablin…

cs.CY2023

Efficient Social Choice via NLP and Sampling

Lior Ashkenazy, Nimrod Talmon

Attention-Aware Social Choice tackles the fundamental conflict faced by some agent communities between their desire to include all members in the decision making processes and the…

cs.GT2023★ 1 cited

Participatory Budgeting: Data, Tools, and Analysis

Piotr Faliszewski, Jarosław Flis, Dominik Peters +5

We provide a library of participatory budgeting data (Pabulib) and open source tools (Pabutools and Pabustats) for analysing this data. We analyse how the results of participatory…

cs.GT2022

Fine-Grained Liquid Democracy for Cumulative Ballots

Matthias Köppe, Martin Koutecký, Krzysztof Sornat +1

We investigate efficient ways for the incorporation of liquid democracy into election settings in which voters submit cumulative ballots, i.e., when each voter is assigned a virtua…