Publications

Preprints

(125)   Operator-Valued Positivstellensätze on Matrix Convex Sets and Free Products of Finite Abelian Groups, latest revision 27 April 2026 (with , )

(124)   Quantum tree networks: complete semidefinite hierarchies and the source-transfer model, latest revision 17 September 2026 (with , )

(123)   Quantitative semidefinite certificates for ground-state energies of Pauli Hamiltonians, latest revision 28 May 2026 (with , )

(122)   The bulk spectral gap is certifiable from above but uncomputable from below, latest revision 28 September 2026 (with , , , , , )

(121)   Robust self-testing with CHSH mod 3, latest revision 3 April 2026 (with , )

(120)   The Effective Lasserre's Perturbative Positivstellensatz, latest revision 13 March 2026 (with , )

(119)   Convergence Rates for Lasserre's Upper-Bound Hierarchy on \(\mathbb R^d\) with Gaussian Measure, latest revision 15 October 2026 (with , )

(118)   Quantitative quantum soundness for all multipartite compiled nonlocal games, latest revision 29 September 2025 (with , , , , , )

(117)   Exploiting Term Sparsity in Symmetry-Adapted Basis for Polynomial Optimization, latest revision 21 November 2025 (with , and )

(116)   Quantitative Quantum Soundness for Bipartite Compiled Bell Games via the Sequential NPA Hierarchy, latest revision 29 September 2025 (with , , , , , )

(115)   Quantitative Tsirelson's Theorems via Approximate Schur's Lemma and Probabilistic Stampfli's Theorems, latest revision 15 September 2025 (with , )

(114)   Classifying minimal vanishing sums of roots of unity, latest revision 21 July 2020 (with Louis Christie and ). Accompanying python code can be found here.

(113)   Addendum to “Factoring non-negative operator valued trigonometric polynomials in two variables”, latest revision 23 August 2026 (with , , )

To appear

(112)   Duality, extreme points and hulls for noncommutative partial convexity, Journal of the European Mathematical Society (JEMS) (with , Tea Štrekelj)

(111)   Fejér–Riesz factorization for positive noncommutative trigonometric polynomials, Mathematische Annalen (with , )

(110)   Inclusion constants for free spectrahedra with applications to quantum incompatibility, International Mathematics Research Notices (IMRN) (with , , , )

(109)   Karush-Kuhn-Tucker conditions for non-commutative optimization problems, Foundations of Computational Mathematics (with , , Andrew Garner, )