Ivan Geffner
Scholar

Ivan Geffner

Google Scholar ID: XQdb5MMAAAAJ
Utrecht University
Game TheoryMechanism DesignAlgorithmsDistributed ComputingCryptography
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Citations & Impact
All-time
Citations
59
 
H-index
5
 
i10-index
1
 
Publications
15
 
Co-authors
0
 
Contact
CVOpen ↗
Publications
3 items
Sender-Receiver Games with Payment Commitments
2026
Cited
0
Maximizing Social Welfare with Side Payments
2025
Cited
0
When Competition Helps: Achieving Optimal Traffic Flow with Multiple Autonomous Planners
2025
Cited
0
Resume
Academic Achievements
  • Publications:
  • - When Competition Helps: Achieving Optimal Traffic Flow with Multiple Autonomous Planners
  • - Optimal Information Design in Sender-Receiver Cheap-Talk Interactions
  • - Maximizing Social Welfare with Side Payments
  • - Receiver-Oriented Cheap Talk Design
  • - Making a Nash Equilibrium Resilient to Coalitions
  • - The Value of Mediation in Long Cheap Talk
  • - Communication games, sequential equilibrium, and mediators
  • - Bounding the communication complexity of fault-tolerant common coin tossing
  • - Resilient Information Aggregation
  • - Mediated Cheap Talk Design
  • - Lower Bounds on Implementing Mediators in Asynchronous Systems
  • - Security in Asynchronous Interactive Systems
  • - Implementing Mediators with Asynchronous Cheap Talk
  • - Counting Outerplanar Maps
Research Experience
  • - AI Coliseum (co-founder, developer): A non-profit online platform that organizes programming competitions focused on implementing Artificial Intelligences for different games.
  • - Taller Programa (organizer, instructor): An open programming course for high school students in Barcelona.
  • - Taller Demostra (organizer, instructor): An open course for high school students in Barcelona that want to go beyond the Math taught at school.
Education
  • Dissertation: Implementing Mediators with Cheap Talk
  • - University: Cornell University
  • - Year: 2021
  • - Advisor: Not explicitly mentioned
Background
  • Assistant professor at Utrecht University, especially interested in (Algorithmic) Game Theory, Algorithms, Cryptography, Complexity and Distributed Systems. Passionate about engaging young students in STEM. In my spare time, I like to exercise, play the ukulele, work on my personal projects, or play soccer, board games, or videogames.
Miscellany
  • Personal interests include exercising, playing the ukulele, working on personal projects, or playing soccer, board games, or videogames.