li.ko@tuwien.ac.at

Here is my CV.

Research interests: Mathematical logic, computability theory, and its interactions with combinatorics or computer science: Degree theory, algorithmic randomness, computable structure theory, reverse mathematics, graph theory.

Sep 2024 – Dec 2025: Project assistant (Postdoc), Vienna University of Technology (TU Wien), Austria

Aug 2021 – Aug 2024: Visiting assistant professor, The Ohio State University (OSU), USA

2016 – 2021: PhD in Mathematics, University of Notre Dame (ND), USA.

PhD Advisor: Professor Peter Cholak

Thesis: Towards characterizing the >ω^2 fickle recursively enumerable Turing degrees.

Pdf. Bulletin of Symbolic Logic, Volume 27, Issue 4, Feb 2022.

When available, my papers can be found at: https://arxiv.org/a/ko_l_3.html.

1. With Ellen Hammatt, Heer Tern (HT) Koh. "Splitting the punctual degrees of the rationals" (2025). In preparation.

2. With Vittorio Cipriani, Ekaterina Fokina, Matthew Harrison-Trainor, Dino Rossegger. "Dichotomy results for classes of countable graphs" (2025). In preparation. ArXiv:2512.09832.

3. With David Belanger, Damir Dzhafarov, Justin Miller, Reed Solomon, "The computational complexities of chip-firing" (2025). In preparation.

4. With Justin Miller. "Comparing disorder and adaptability in stochasticity" (2023). Submitted. ArXiv:2306.02225.

5. Liling Ko. "Towards characterizing the >\omega^2-fickle recursively enumerable Turing degrees" ArXiv:2109.09215. Annals of Pure and Applied Logic, Volume 175, Issue 4, April 2024, 103403. doi:10.1016/j.apal.2023.103403

6. Liling Ko. "Nonlowness is independent from fickleness" ArXiv:1906.06381. Computability volume 10, number 4, pages 271-288. doi:10.3233/COM-190269

1. FWF DOI 10.55776/ESP2247225. 346,505 Euros. Austrian Science Fund. Oct 2025.

2. Funding support for CiE 2025. Women in Computability, Europe. Jul 2025.

3. Funding for CBMS Conference on Algorithmic Fractal Dimensions. NSF, USA. May 2024.

4. Travel support for CCR 2024. Association for Women in Mathematics, USA. Mar 2024.

5. Travel support for IMS Graduate Summer School in Logic. NUS, Singapore. Jun 2023.

6. Travel grant. Association for Women in Mathematics, USA. Feb 2023.

1. Invited colloquium talks

   1. Iowa Colloquium on Information, Complexity, and Logic. Drake University, USA. May 2024.

   2. Maynooth University Colloquia. Maynooth University, Ireland. May 2024.

2. Invited conference talks

   1. Reverse mathematics workshop. ESI Schrondinger, Vienna, Austria. Jun 2025.

   2. Computable structure theory and interactions. TU Wien, Austria. Jul 2024.

   3. AMS special session: Computability, Complexity, and Algebraic Structure. Howard University, USA. April 2024.

   4. Conference on Computability, Complexity and Randomness (CCR). Nagoya University, Japan. Mar 2024.

   5. ASL special session. UC Irvine, USA. Mar 2023.

   6. South Eastern Logic Symposium SEALS. University of Florida, USA. Mar 2023.

   7. AMS special session: Computability Theory and Effective Mathematics. Online. Jan 2021

   8. Midwest Computability Seminar XXV. Online. Oct 2020.

   9. 16th New England Recursion & Definability Seminar (NERDS). Bridgewater State University. Nov 2019.

3. Contributed conference talks

   1. Computability in Europe. Lisbon, Portugal. Jul 2025.

4. Invited seminar speaker

   1. Swansea University Theory seminar (Online). Oct 2025.

   2. University of Connecticut, USA. Fall 2023.

   3. Dartmouth College, USA. Spring 2023.

   4. Southern Illinois University, USA. Spring 2023.

   5. University of Wisconsin-Madison, USA. Spring 2023.

   6. Penn State University, USA. Fall 2021.

   7. National University of Singapore, Singapore. Spring 2021.

1. Organizing committee of 5th Austrian Day of Women in Mathematics. Feb 2025.

2. Female Mathematicians (fem*MA) in Vienna University of Technology. Career booster team. 2024 - current.

3. Computability and Complexity by Gender Minorities. 2024

4. Note taker for The Ohio State University's diversity event. Topic: Improving the experiences of underrepresented mathematics graduates. 2024.

5. Mentor undergraduate. Topic: combinatorics in computability theory. Fall 2023 - 2024.

6. Mentor undergraduate. Topic: combinatorics in model theory. Summer 2021 - 2024.

7. Organized 21st Graduate Student Conference in Logic. (until it was canceled due to COVID-19) Spring 2020.