Costin Bădescu

I am a Ph.D. student at CMU advised by Ryan O’Donnell.


Improved quantum data analysis
Costin Bădescu, Ryan O’Donnell
TheoretiCS 3, STOC 2021, arXiv

Lower bounds for testing complete positivity and quantum separability
Costin Bădescu, Ryan O’Donnell
LATIN 2020, arXiv

Quantum state certification
Costin Bădescu, Ryan O’Donnell, John Wright
QIP 2018, STOC 2019, arXiv

Quantum alternation: prospects and problems
Costin Bădescu, Prakash Panangaden
QPL 2015, arXiv