Persistent (Functional) Data Structures

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• 2025:
  [6] New Algorithms for Incremental Minimum Spanning Trees and Temporal Graph Applications (To Appear)
  Xiangyun Ding*, Yan Gu*, and Yihan Sun*
  
  ACDA
   SIAM Conference on Applied and Computational Discrete Algorithms (ACDA), 2025    [BibTeX]
  @inproceedings{ Ding2025New,
  title = { New Algorithms for Incremental Minimum Spanning Trees and Temporal Graph Applications (To Appear) },
  author = { Ding, Xiangyun and  Gu, Yan and  Sun, Yihan},
  booktitle = {SIAM Conference on Applied and Computational Discrete Algorithms (ACDA)},
  year = { 2025 }
  }

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    Software Library:
  AM-tree: Anti-Monoply tree for incremental MST and temporal connectivity  [Github]
  Paper   Code  
• 2022:
  [5] Parallel Cover Trees and Applications
  Yan Gu*, Zachary Napier, Yihan Sun*, and Letong Wang*
  
  SPAA
   ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), 2022    [BibTeX]
  @inproceedings{ Gu2022Parallel,
  title = { Parallel Cover Trees and Applications },
  author = { Gu, Yan and  Napier, Zachary and  Sun, Yihan and  Wang, Letong},
  booktitle = {ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)},
  year = { 2022 }
  }

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    DOI:
  10.1145/3490148.3538581    [copy]
  Paper   Slides  
• [4] PaC-trees: Supporting Parallel and Compressed Purely-Functional Collections
  Laxman Dhulipala, Guy E. Blelloch, Yan Gu*, and Yihan Sun*
  
  PLDI
   ACM Conference on Programming Language Design and Implementation (PLDI), 2022    [BibTeX]
  @inproceedings{ Dhulipala2022PaC-trees:,
  title = { PaC-trees: Supporting Parallel and Compressed Purely-Functional Collections },
  author = { Dhulipala, Laxman and  Blelloch, Guy E. and  Gu, Yan and  Sun, Yihan},
  booktitle = {ACM Conference on Programming Language Design and Implementation (PLDI)},
  year = { 2022 }
  }

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    DOI:
  10.1145/3519939.3523733    [copy]
  
    Software Library:
  CPAM: Compressed Parallel Augmented Maps  [Github]
  Paper   ArXiV  Code  Slides  
• [3] Joinable Parallel Balanced Binary Trees
  Guy E. Blelloch, Daniel Ferizovic, and Yihan Sun*
  
  TOPC
   ACM Transactions on Parallel Computing (TOPC), 2022    [BibTeX]
  @inproceedings{ Blelloch2022Joinable,
  title = { Joinable Parallel Balanced Binary Trees },
  author = { Blelloch, Guy E. and  Ferizovic, Daniel and  Sun, Yihan},
  booktitle = {ACM Transactions on Parallel Computing (TOPC)},
  year = { 2022 }
  }

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    DOI:
  10.1145/3512769    [copy]
  
    Software Library:
  PAM: Parallel Augmented Maps  [Github]
  Paper   Code  
• 2020:
  [2] Optimal (Randomized) Parallel Algorithms in the Binary-Forking Model
  Guy E. Blelloch, Jeremy T. Fineman, Yan Gu*, and Yihan Sun*
  
  🏆 Best Paper Candidate!
  SPAA
   ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), 2020    [BibTeX]
  @inproceedings{ Blelloch2020Optimal,
  title = { Optimal (Randomized) Parallel Algorithms in the Binary-Forking Model },
  author = { Blelloch, Guy E. and  Fineman, Jeremy T. and  Gu, Yan and  Sun, Yihan},
  booktitle = {ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)},
  year = { 2020 }
  }

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    DOI:
  10.1145/3350755.3400227    [copy]
  Paper   Video  Slides  
• [1] On Supporting Efficient Snapshot Isolation for Hybrid Workloads with Multi-Versioned Indexes
  Yihan Sun*, Guy E. Blelloch, Wan Shen Lim, and Andrew Pavlo
  
  VLDB
   International Conference on Very Large Data Bases (VLDB), 2020    [BibTeX]
  @inproceedings{ Sun2020On,
  title = { On Supporting Efficient Snapshot Isolation for Hybrid Workloads with Multi-Versioned Indexes },
  author = { Sun, Yihan and  Blelloch, Guy E. and  Lim, Wan Shen and  Pavlo, Andrew},
  booktitle = {International Conference on Very Large Data Bases (VLDB)},
  year = { 2020 }
  }

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    DOI:
  10.14778/3364324.3364334    [copy]
  
    Software Library:
  Part of the PAM library: Parallel Augmented Maps  [Github]
  Paper   Video  Code  Slides