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ORCIDKrzysztof Sornat
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- affiliation: IDSIA (Dalle Molle Institute for Artificial Intelligence), Lugano, Switzerland
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2020 – today
- 2024
[j5]Piotr Faliszewski, Krzysztof Sornat
, Stanislaw Szufa:
The Complexity of Subelection Isomorphism Problems. J. Artif. Intell. Res. 80: 1343-1371 (2024)- [c21]Matthias Köppe, Martin Koutecký, Krzysztof Sornat, Nimrod Talmon:
Fine-Grained Liquid Democracy for Cumulative Ballots. AAMAS 2024: 1029-1037 - [c20]Fateme Abbasi, Marek Adamczyk, Miguel Bosch-Calvo, Jaroslaw Byrka, Fabrizio Grandoni, Krzysztof Sornat, Antoine Tinguely:
An O(loglog n)-Approximation for Submodular Facility Location. ICALP 2024: 5:1-5:20 - [c19]Alberto Del Pia, Dusan Knop, Alexandra Lassota, Krzysztof Sornat, Nimrod Talmon:
Aggregation of Continuous Preferences in One Dimension. IJCAI 2024: 2748-2756 - [i14]Piotr Faliszewski, Martin Lackner, Krzysztof Sornat, Stanislaw Szufa:
An Experimental Comparison of Multiwinner Voting Rules on Approval Elections. CoRR abs/2401.11870 (2024) - 2023
- [c18]Piotr Faliszewski, Martin Lackner, Krzysztof Sornat, Stanislaw Szufa:
An Experimental Comparison of Multiwinner Voting Rules on Approval Elections. IJCAI 2023: 2675-2683 - [c17]Piotr Faliszewski, Andrzej Kaczmarczyk, Krzysztof Sornat, Stanislaw Szufa, Tomasz Was:
Diversity, Agreement, and Polarization in Elections. IJCAI 2023: 2684-2692 - [i13]Piotr Faliszewski, Andrzej Kaczmarczyk, Krzysztof Sornat, Stanislaw Szufa, Tomasz Was:
Diversity, Agreement, and Polarization in Elections. CoRR abs/2305.09780 (2023) - 2022
- [c16]Piotr Faliszewski, Krzysztof Sornat, Stanislaw Szufa:
The Complexity of Subelection Isomorphism Problems. AAAI 2022: 4991-4998 - [c15]Pallavi Jain, Krzysztof Sornat, Nimrod Talmon:
Preserving Consistency for Liquid Knapsack Voting. EUMAS 2022: 221-238 - [c14]Krzysztof Sornat, Virginia Vassilevska Williams, Yinzhan Xu:
Near-Tight Algorithms for the Chamberlin-Courant and Thiele Voting Rules. IJCAI 2022: 482-488 - [c13]Stanislaw Szufa, Piotr Faliszewski, Lukasz Janeczko, Martin Lackner, Arkadii Slinko, Krzysztof Sornat, Nimrod Talmon:
How to Sample Approval Elections? IJCAI 2022: 496-502 - [i12]Stanislaw Szufa, Piotr Faliszewski, Lukasz Janeczko, Martin Lackner, Arkadii Slinko, Krzysztof Sornat, Nimrod Talmon:
How to Sample Approval Elections? CoRR abs/2207.01140 (2022) - [i11]Matthias Köppe, Martin Koutecký, Krzysztof Sornat, Nimrod Talmon:
Fine-Grained Liquid Democracy for Cumulative Ballots. CoRR abs/2208.14441 (2022) - [i10]Fateme Abbasi, Marek Adamczyk, Miguel Bosch-Calvo, Jaroslaw Byrka, Fabrizio Grandoni, Krzysztof Sornat, Antoine Tinguely:
An O(loglog n)-Approximation for Submodular Facility Location. CoRR abs/2211.05474 (2022) - [i9]Krzysztof Sornat, Virginia Vassilevska Williams, Yinzhan Xu:
Near-Tight Algorithms for the Chamberlin-Courant and Thiele Voting Rules. CoRR abs/2212.14173 (2022) - 2021
- [j4]Piotr Faliszewski, Pasin Manurangsi, Krzysztof Sornat:
Approximation and hardness of Shift-Bribery. Artif. Intell. 298: 103520 (2021) - [j3]Waldo Gálvez, Fabrizio Grandoni, Afrouz Jabal Ameli, Krzysztof Sornat:
On the Cycle Augmentation Problem: Hardness and Approximation Algorithms. Theory Comput. Syst. 65(6): 985-1008 (2021) - [j2]Georgios Amanatidis, Peter Fulla, Evangelos Markakis, Krzysztof Sornat:
Inequity aversion pricing over social networks: Approximation algorithms and hardness results. Theor. Comput. Sci. 871: 62-78 (2021) - [c12]Pallavi Jain, Krzysztof Sornat, Nimrod Talmon:
Preserving Consistency for Liquid Knapsack Voting. AAMAS 2021: 1542-1544 - [c11]Pallavi Jain, Krzysztof Sornat, Nimrod Talmon, Meirav Zehavi:
Participatory Budgeting with Project Groups. IJCAI 2021: 276-282 - [c10]Krzysztof Sornat, Virginia Vassilevska Williams, Yinzhan Xu:
Fine-Grained Complexity and Algorithms for the Schulze Voting Method. EC 2021: 841-859 - [i8]Krzysztof Sornat, Virginia Vassilevska Williams, Yinzhan Xu:
Fine-Grained Complexity and Algorithms for the Schulze Voting Method. CoRR abs/2103.03959 (2021) - 2020
- [c9]Szymon Dudycz, Pasin Manurangsi, Jan Marcinkowski, Krzysztof Sornat:
Tight Approximation for Proportional Approval Voting. IJCAI 2020: 276-282 - [c8]Pallavi Jain, Krzysztof Sornat, Nimrod Talmon:
Participatory Budgeting with Project Interactions. IJCAI 2020: 386-392 - [i7]Pallavi Jain, Krzysztof Sornat, Nimrod Talmon, Meirav Zehavi:
Participatory Budgeting with Project Groups. CoRR abs/2012.05213 (2020)
2010 – 2019
- 2019
- [c7]Piotr Faliszewski, Pasin Manurangsi, Krzysztof Sornat:
Approximation and Hardness of Shift-Bribery. AAAI 2019: 1901-1908 - [c6]Waldo Gálvez, Fabrizio Grandoni, Afrouz Jabal Ameli, Krzysztof Sornat:
On the Cycle Augmentation Problem: Hardness and Approximation Algorithms. WAOA 2019: 138-153 - [i6]Piotr Faliszewski, Pasin Manurangsi, Krzysztof Sornat:
Approximation and Hardness of Shift-Bribery. CoRR abs/1908.10562 (2019) - 2018
- [j1]Marek Cygan, Lukasz Kowalik, Arkadiusz Socala, Krzysztof Sornat:
Approximation and Parameterized Complexity of Minimax Approval Voting. J. Artif. Intell. Res. 63: 495-513 (2018) - [c5]Jaroslaw Byrka, Piotr Skowron, Krzysztof Sornat:
Proportional Approval Voting, Harmonic k-median, and Negative Association. ICALP 2018: 26:1-26:14 - [c4]Jaroslaw Byrka, Krzysztof Sornat, Joachim Spoerhase:
Constant-factor approximation for ordered k-median. STOC 2018: 620-631 - 2017
- [c3]Marek Cygan, Lukasz Kowalik, Arkadiusz Socala, Krzysztof Sornat:
Approximation and Parameterized Complexity of Minimax Approval Voting. AAAI 2017: 459-465 - [i5]Jaroslaw Byrka, Piotr Skowron, Krzysztof Sornat:
Proportional Approval Voting, Harmonic k-median, and Negative Association. CoRR abs/1704.02183 (2017) - [i4]Jaroslaw Byrka, Krzysztof Sornat, Joachim Spoerhase:
Constant-Factor Approximation for Ordered k-Median. CoRR abs/1711.01972 (2017) - 2016
- [c2]Georgios Amanatidis, Evangelos Markakis, Krzysztof Sornat:
Inequity Aversion Pricing over Social Networks: Approximation Algorithms and Hardness Results. MFCS 2016: 9:1-9:13 - [i3]Georgios Amanatidis, Evangelos Markakis, Krzysztof Sornat:
Inequity Aversion Pricing over Social Networks: Approximation Algorithms and Hardness Results. CoRR abs/1606.06664 (2016) - [i2]Marek Cygan, Lukasz Kowalik, Arkadiusz Socala, Krzysztof Sornat:
Approximation and Parameterized Complexity of Minimax Approval Voting. CoRR abs/1607.07906 (2016) - 2014
- [c1]Jaroslaw Byrka, Krzysztof Sornat:
PTAS for Minimax Approval Voting. WINE 2014: 203-217 - [i1]Jaroslaw Byrka, Krzysztof Sornat:
PTAS for Minimax Approval Voting. CoRR abs/1407.7216 (2014)
Coauthor Index
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