Xinye Chen

Postdoc
Sorbonne University, LIP6, CNRS
Advisor: Fabienne JEZEQUEL

Email: xinyechenai@gmail.com & xinye.chen@lip6.fr

Postdoc
Department of Numerical Mathematics
Univerzita Karlova
Advisor: Erin Carson

PhD in Applied Mathematics
The University of Manchester
Supervisors: Prof. Stefan Güttel & Prof. Nick Higham

Laboratoire LIP6
Sorbonne Université
4 place Jussieu, 75252 Paris CEDEX 05, France

Back to my homepage


Research Interest

  • Scientific Computing
  • Algorithm Design and Analysis
  • Machine Learning
  • High Performance Computing

Invited Review

Software

CUDA

  • blrmat

    A library implemented in C++ and CUDA for Block Low-Rank (BLR) Matrix and solvers

  • cusnn

    Fast and exact SNN-based fixed-radius neighbor search with CUDA

C++

  • hmat-omp

    Parallel H-matrix computation routines with weak adamissibility

  • ukkonen-simd

    A implementation for linear-time, online algorithm for constructing suffix trees, featuring a SIMD-accelerated versions for ARM NEON and x86 AVX2

  • hpc-mix-mlbench

    Benchmarks for mixed-precision emulations

  • mpi_krylov

    Krylov Solvers using MPI

  • ompsnn

    Fast and exact SNN-based fixed-radius neighbor search with OPENMP

  • fxmath

    Header-only C++ library for performing mathematical operations in low-precision arithmetic

  • cabba

    A package of C++ version for ABBA

Python

MATLAB

  • mhodlr

    Matrix computations with HODLR representation and mixed-precision simulations

Julia

Publication & Preprint

* indicate alphabetical order

Preprints

  • Pychop: Emulating low-precision arithmetic in numerical methods and neural networks *Erin Carson, *Xinye Chen, 2025
  • LLM-ABBA: Understanding time series via symbolic approximation *Erin Carson, *Xinye Chen, *Cheng Kang, 2024
  • Quantized symbolic time series approximation *Erin Carson, *Xinye Chen, *Cheng Kang, 2024
  • Quantized embedding vectors for controllable diffusion language models C. Kang, X. Chen, Y. Hu, D. Novak, 2024
  • Joint symbolic aggregate approximation of time series *X. Chen, 2023
  • Computing k-means in mixed precision *Erin Carson, *Xinye Chen, *Xiaobo Liu, 2024

Journal Papers

  • Mixed precision HODLR matrices *Erin Carson, *Xinye Chen, *Xiaobo Liu, 2024 SIAM Journal on Scientific Computing
  • fABBA: A Python library for the fast symbolic approximation of time series *X. Chen and *S. Güttel, 2024 Journal of Open Source Software
  • Fast and exact fixed-radius nearest neighbor search based on sorting *X. Chen and *S. Güttel, 2022 Peer J Computer Science
  • Fast and explainable sorted based clustering *X. Chen and *S. Güttel, 2022 Pattern Recognition
  • An efficient aggregation method for the symbolic representation of temporal data *X. Chen and *S. Güttel, 2022 ACM Transactions on Knowledge Discovery from Data

Conference Papers

  • Using Laplace Transform To Optimize the Hallucination of Generation Models Cheng Kang, Xinye Chen, Novak Daniel, Xujing Yao, 2024 18th International Conference on Control, Automation, Robotics and Vision
  • A fast sorting-based aggregation method for symbolic time series representation *X. Chen and *S. Güttel, 2021 Proceedings of the IEEE International Conference on Data Mining Workshops
  • Digital-twin-based online parameter personalization for implantable cardiac defibrillators M. Lai, H. Y, J. Gu, X. Chen and Z. Jiang, 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society
  • A comparison of LSTM and GRU networks for learning symbolic sequences *Roberto Cahuantzi, *X. Chen and *S. Güttel, 2021 Springer Lecture Notes in Networks and Systems

Technique Reports

Contributed Talk and Poster

Teaching

  • MATH20602: Numerical Analysis 1 - Tutorial, 2nd Semester 2021 -- 2022
  • MATH10202: Linear Algebra A - Tutorial (temporary), 2nd Semester 2021 -- 2022
  • MATH19661: Mathematics 1M1 - Tutorial (temporary), 1st Semester 2021 -- 2022
  • MATH49111: Scientific computing - Tutorial, 1st Semester 2021 -- 2022
  • MATH10222: Calculus and Applications - Supervision, 2nd Semester 2020 -- 2021
  • MATH20621: Programming with Python - Tutorial, 1st Semester 2020 -- 2021

(Note: Some of my lecture materials can be downloaded from the provided links.)

Organization

Membership