research

selected talk recordings

Caltech CAST Flash Talk, October 2023
Amii AI Seminar, July 2024

publications

See my Google Scholar for the most up-to-date list.

2025

  1. Learning for Sustainable Online Scheduling with Competitive Fairness Guarantees
    Pengfei Li, Nicolas Christianson, Jianyi Yang, and 2 more authors
    ACM e-Energy, 2025
  2. EDS
    Robust machine-learned algorithms for efficient grid operation
    Nicolas Christianson, Christopher Yeh, Tongxin Li, and 4 more authors
    Environmental Data Science, 2025
  3. Fast and Reliable N−k Contingency Screening with Input-Convex Neural Networks
    Nicolas Christianson, Wenqi Cui, Steven Low, and 2 more authors
    Learning for Dynamics & Control Conference, 2025
  4. Learning-Augmented Competitive Algorithms for Spatiotemporal Online Allocation with Deadline Constraints
    Adam Lechowicz, Nicolas Christianson, Bo Sun, and 4 more authors
    ACM SIGMETRICS, 2025

2024

  1. Risk-Sensitive Online Algorithms
    Nicolas Christianson, Bo Sun, Steven Low, and 1 more author
    Conference on Learning Theory, 2024
  2. End-to-End Conformal Calibration for Optimization Under Uncertainty
    Christopher Yeh*, Nicolas Christianson*, Alan Wu, and 2 more authors
    Under review, 2024
  3. The Online Pause and Resume Problem: Optimal Algorithms and An Application to Carbon-Aware Load Shifting
    Adam Lechowicz, Nicolas Christianson, Jinhang Zuo, and 4 more authors
    ACM SIGMETRICS/IFIP Performance, 2024
  4. Online Conversion with Switching Costs: Robust and Learning-augmented Algorithms
    Adam Lechowicz, Nicolas Christianson, Bo Sun, and 4 more authors
    ACM SIGMETRICS/IFIP PERFORMANCE, 2024
  5. Online Algorithms with Uncertainty-Quantified Predictions
    Bo Sun, Jerry Huang, Nicolas Christianson, and 3 more authors
    International Conference on Machine Learning, 2024
  6. Chasing Convex Functions with Long-term Constraints
    Adam Lechowicz, Nicolas Christianson, Bo Sun, and 4 more authors
    International Conference on Machine Learning, 2024
  7. SODA: An Adaptive Bitrate Controller for Consistent High-Quality Video Streaming
    Tianyu Chen, Yiheng Lin, Nicolas Christianson, and 5 more authors
    Proceedings of the ACM SIGCOMM Conference, 2024

2023

  1. Optimal Robustness-Consistency Tradeoffs for Learning-Augmented Metrical Task Systems
    Nicolas Christianson, Junxuan Shen, and Adam Wierman
    International Conference on Artificial Intelligence and Statistics, 2023
  2. SustainGym: Reinforcement Learning Environments for Sustainable Energy Systems
    Christopher Yeh, Victor Li, Rajeev Datta, and 9 more authors
    Neural Information Processing Systems Datasets and Benchmarks Track, 2023
  3. CDC
    Pricing uncertainty in stochastic multi-stage electricity markets
    Lucien Werner*, Nicolas Christianson*, Alessandro Zocca, and 2 more authors
    62nd IEEE Conference on Decision and Control, 2023
  4. Smoothed online optimization with unreliable predictions
    Daan Rutten, Nicolas Christianson, Debankur Mukherjee, and 1 more author
    ACM SIGMETRICS, 2023

2022

  1. Chasing convex bodies and functions with black-box advice
    Nicolas Christianson, Tinashe Handina, and Adam Wierman
    Conference on Learning Theory, 2022
  2. Dispatch-aware planning for feasible power system operation
    Nicolas Christianson*, Lucien Werner*, Adam Wierman, and 1 more author
    Electric Power Systems Research, 2022
  3. Optimizing the human learnability of abstract network representations
    William Qian, Christopher W. Lynn, Andrei A. Klishin, and 3 more authors
    Proceedings of the National Academy of Sciences, 2022
  4. Learning Dynamic Graphs, Too Slow
    Andrei A. Klishin, Nicolas Christianson, Cynthia S.Q. Siew, and 1 more author
    Preprint, 2022

2020

  1. Architecture and evolution of semantic networks in mathematics texts
    Nicolas H. Christianson, Ann Sizemore Blevins, and Dani S. Bassett
    Proceedings of the Royal Society A, 2020

2016

  1. Structural and Functional Influence of the Glycine-Rich Loop G302GGGY on the Catalytic Tyrosine of Histone Deacetylase 8
    Nicholas J. Porter, Nicolas H. Christianson, Christophe Decroos, and 1 more author
    Biochemistry, 2016

2015

  1. Biochemical and Structural Characterization of HDAC8 Mutants Associated with Cornelia de Lange Syndrome Spectrum Disorders
    Christophe Decroos, Nicolas H. Christianson, Laura E. Gullett, and 4 more authors
    Biochemistry, 2015