Thomas Dybdahl Ahle
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Home * People * Thomas Dybdahl Ahle
Thomas Dybdahl Ahle [1]
Thomas Dybdahl Ahle,
a Danish computer scientist, software developer, and currently post doctoral researcher at Basic Algorithms Research group (BARC) [2] at University of Copenhagen [3].
He holds a Master of Arts in computer science in 2013 from University of Oxford,
and Ph.D. in algorithms and theoretical computer science from University of Copenhagen.
Computer Chess
Thomas Dybdahl Ahle is owner and primary developer of PyChess, a chess client and engine for the Linux desktop. He is further author of the didactic Python open source chess engines Sunfish [4] and Fastchess, the latter a one-layer neural network softmax model, combined with a Monte-Carlo Tree Search.
Selected Publications
- Thomas Dybdahl Ahle, Rasmus Pagh, Ilya Razenshteyn, Francesco Silvestri (2015). On the Complexity of Inner Product Similarity Join. arXiv:1510.02824
- Thomas Dybdahl Ahle, Martin Aumüller, Rasmus Pagh (2016). Parameter-free Locality Sensitive Hashing for Spherical Range Reporting. arXiv:1605.02673
- Thomas Dybdahl Ahle (2017). Optimal Las Vegas Locality Sensitive Data Structures. arXiv:1704.02054
- Thomas Dybdahl Ahle (2017). Optimal Set Similarity Data-structures Without False Negatives. Master thesis, University of Copenhagen, pdf
- Thomas Dybdahl Ahle (2019). Subsets and Supermajorities: Unifying Hashing-based Set Similarity Search. arXiv:1904.04045
- Thomas Dybdahl Ahle (2019). Algorithms for Sets. Ph.D. thesis, University of Copenhagen
- Thomas Dybdahl Ahle, Michael Kapralov, Jakob B. T. Knudsen, Rasmus Pagh, Ameya Velingker, David P. Woodruff, Amir Zandieh (2019). Oblivious Sketching of High-Degree Polynomial Kernels. pdf
Postings
- Sunfish – A 111 line Chess Engine in Python by Thomas Dybdahl Ahle, reddit, February 16, 2014
- Negative alpha/beta windows: Are they useful? by Thomas Dybdahl Ahle, CCC, March 06, 2015
- Storing both alpha and beta scores in TT by Thomas Dybdahl Ahle, CCC, August 02, 2016 » Transposition Table
- Approximating Stockfish's Evaluation by PSQTs by Thomas Dybdahl Ahle, CCC, August 23, 2017 » Regression, Piece-Square Tables, Stockfish
- Re: A question to MCTS + NN experts by Thomas Dybdahl Ahle, CCC, August 04, 2019
External Links
- Thomas Dybdahl Ahle
- Thomas Dybdahl Ahle | LinkedIn
- User Thomas Dybdahl Ahle - MathOverflow
- thomasahle (Thomas Dybdahl Ahle) · GitHub
- Thomas D. Ahle - Google Scholar Citations
- Thomas Dybdahl Ahle (@thomasahle) | Twitter
