PPaperPicks

Vaggos Chatziafratis

5 papers at tracked venues · 4 at CORE A* · active 2024–2025

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Venues

NeurIPS ×3AAAI ×1AAMAS ×1

Frequent coauthors

Parnian Shahkar
×2
Dmitrii Avdiukhin
×2
Grigory Yaroslavtsev
×2
Ishani Karmarkar
×1
Yingxi Li
×1
Ellen Vitercik
×1
Jingming Yan
×1
Yiyuan Luo
×1
Ioannis Panageas
×1
Stelios Stavroulakis
×1
Martin Bullinger
×1
Konstantin Makarychev
×1

Papers

  1. Accelerating data-driven algorithm selection for combinatorial partitioning problems
    NeurIPS 2025 · Vaggos Chatziafratis,
    Ishani Karmarkar
    ,
    Yingxi Li
    ,
    Ellen Vitercik
  2. The Complexity of Finding Local Optima in Contrastive Learning
    NeurIPS 2025 ·
    Jingming Yan
    ,
    Yiyuan Luo
    , Vaggos Chatziafratis,
    Ioannis Panageas
    ,
    Parnian Shahkar
    ,
    Stelios Stavroulakis
  3. Welfare Approximation in Additively Separable Hedonic Games
    AAMAS 2025 ·
    Martin Bullinger
    , Vaggos Chatziafratis,
    Parnian Shahkar
  4. Approximation Scheme for Weighted Metric Clustering via Sherali-Adams
    AAAI 2024 ·
    Dmitrii Avdiukhin
    , Vaggos Chatziafratis,
    Konstantin Makarychev
    ,
    Grigory Yaroslavtsev
  5. Embedding Dimension of Contrastive Learning and k-Nearest Neighbors
    NeurIPS 2024 ·
    Dmitrii Avdiukhin
    , Vaggos Chatziafratis,
    Orr Fischer
    ,
    Grigory Yaroslavtsev