394 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- HUN-REN Institute for Computer Science and ControlHU69 papers
- Hungarian Academy of SciencesHU32 papers
- ELTE Centre for Economic and Regional StudiesHU20 papers
- Budapest University of Technology and EconomicsHU14 papers
- Eötvös Loránd UniversityHU12 papers
- HUN-REN Wigner Research Centre for PhysicsHU11 papers
- Institute of EconomicsRU9 papers
- University College LondonGB9 papers
- Hungarian Research NetworkHU7 papers
- Complexity Science HubAT6 papers
- Institut de Recherche en Informatique de ToulouseFR6 papers
- Université Toulouse-I-CapitoleFR6 papers
31 papers · 1 filter
Evolution and determinants of firm-level systemic risk in local production networks
Anna Mancini, Balázs Lengyel, Riccardo Di Clemente +1
Recent crises like the Covid-19 pandemic and geopolitical tensions have exposed vulnerabilities and caused disruptions of supply chains, leading to product shortages, increased cos…
Ranking matters: Does the new format select the best teams for the knockout phase in the UEFA Champions League?
László Csató, Karel Devriesere, Dries Goossens +3
Starting in the 2024/25 season, the Union of European Football Associations (UEFA) has fundamentally changed the format of its club competitions: the group stage has been replaced…
Misaligned incentives in sports: A mathematical analysis of the post-2024 UEFA Champions League qualification
László Csató, Sergey Ilyin
UEFA declares that it is committed to respecting the fundamental values of sports. However, the qualification rules of the post-2024 UEFA Champions League are shown to be unfair: a…
The dynamics of leadership and success in software development teams
Lorenzo Betti, Luca Gallo, Johannes Wachs +1
From science to industry, teamwork plays a crucial role in knowledge production and innovation. Most studies consider teams as static groups of individuals, thereby failing to capt…
Urban highways are barriers to social ties
Luca Maria Aiello, Anastassia Vybornova, Sándor Juhász +2
Urban highways are common, especially in the US, making cities more car-centric. They promise the annihilation of distance but obstruct pedestrian mobility, thus playing a key role…
Tournament design: A review from an operational research perspective
Karel Devriesere, László Csató, Dries Goossens
Every sport needs rules. Tournament design refers to the rules that determine how a tournament, a series of games between a number of competitors, is organized. This study aims to…
Early Career Wins and Tournament Prestige Characterize Tennis Players' Trajectories
Chiara Zappalà, Sandro Sousa, Tiago Cunha +3
Success in sports is a complex phenomenon that has only garnered limited research attention. In particular, we lack a deep scientific understanding of success in sports like tennis…
Voting power in the Council of the European Union: A comprehensive sensitivity analysis
Dóra Gréta Petróczy, László Csató
The Council of the European Union (EU) is one of the main decision-making bodies of the EU. A number of decisions require a qualified majority, the support of 55% of the member sta…
Quantifying Barriers of Urban Mobility
Gergő Pintér, Balázs Lengyel
Barriers in cities, such as administrative boundaries, natural obstacles, railways or major roads are thought to induce segregation. However, the empirical knowledge about this phe…
Individual differences in knowledge network navigation
Manran Zhu, Taha Yasseri, János Kertész
With the rapid accumulation of online information, efficient web navigation has grown vital yet challenging. To create an easily navigable cyberspace catering to diverse demographi…
Mitigating the risk of tanking in multi-stage tournaments
László Csató
Multi-stage tournaments consisting of a round-robin group stage followed by a knockout phase are ubiquitous in sports. However, this format is incentive incompatible if at least tw…
The unfairness of the revenue distribution system used in the UEFA club competitions
László Csató
The Union of European Football Associations (UEFA) distributes commercial revenue from its club competitions according to a complex mechanism. Coefficient-based amounts are paid su…
On head-to-head results as tie-breaker and consequent opportunities for collusion
László Csató
The outcome of some football matches has benefited both teams at the expense of a third team because head-to-head results were used for breaking ties. Inspired by these examples, o…
Group draw with unknown qualified teams: A lesson from the 2022 FIFA World Cup draw
László Csató
The draw for the 2022 FIFA World Cup has been organised before the identity of three winners of the play-offs is revealed. Seeding has been based on the FIFA World Ranking released…
The effects of draw restrictions on knockout tournaments
László Csató
The paper analyses how draw constraints influence the outcome of a knockout tournament. The research question is inspired by European club football competitions, where the organise…
Reducing the non-uniformity of the group draw in sports tournaments
László Csató
The group draw of a sports tournament requires assigning teams to groups of (almost) the same size. The most important criteria for a draw procedure are balance, randomness, and tr…
Quantifying incentive (in)compatibility: A case study from sports
László Csató
For every sports tournament, it is an important requirement to provide contestants with the appropriate incentives to perform. However, incentive compatibility is usually considere…
The fairness of the group draw for the FIFA World Cup
László Csató
Several sports tournaments contain a round-robin group stage where the teams are assigned to groups subject to some constraints. Hence, the organisers usually use a computer-assist…
A paradox of tournament seeding
László Csató
We analyse a mathematical model of seeding for sports contests with round-robin qualifying tournaments. The standard seeding system based on coefficients measuring the historical p…
Quantifying the unfairness of the 2018 FIFA World Cup qualification
László Csató
This paper investigates the fairness of the 2018 FIFA World Cup qualifying competition via Monte Carlo simulations. The qualifying probabilities are calculated for 102 nations, all…
The UEFA Champions League seeding is not strategy-proof since the 2015/16 season
László Csató
Fairness has several interpretations in sports, one of them being that the rules should guarantee incentive compatibility, namely, a team cannot be worse off due to better results…
Quantifying Life Quality as Walkability on Urban Networks: The Case of Budapest
Luis Natera, Dávid Deritei, Anna Vancsó +1
Life quality in cities is deeply related to the mobility options, and how easily one can access different services and attractions. The pedestrian infrastructure network provides t…
Inequality is rising where social network segregation interacts with urban topology
Gergő Tóth, Johannes Wachs, Riccardo Di Clemente +4
Social networks amplify inequalities due to fundamental mechanisms of social tie formation such as homophily and triadic closure. These forces sharpen social segregation reflected…
Two issues of the UEFA Euro 2020 qualifying play-offs
László Csató
The play-offs of the UEFA Euro 2020 qualifying tournament determine the last four participants in the UEFA European Championship 2020. 16 teams, which have failed to obtain a slot…