Published in Peer-Reviewed Journals

1. D. D. Spiegel, M. Qi, D. T. Stephen, M. Hermele, M. J. Pflaum, A. Beaudry, A classifying space for phases of matrix product states, 2025. Communications in Mathematical Physics 407, 17 (2026). Link: journal  arXiv

2. D. D. Spiegel and M. J. Pflaum, On the weak contractibility of the space of pure states, Journal of Functional Analysis 288 (2025), no. 6, 110809. Links: journal  arXiv

3. M. Qi, D. T. Stephen, X. Wen, D. Spiegel, M. J. Pflaum, A. Beaudry, and M. Hermele, Charting the space of ground states with tensor networks, SciPost Phys. 18 (2025), 168. Links: journal  arXiv

4. A. Beaudry, M. Hermele, J. Moreno, M. J. Pflaum, M. Qi, and D. D. Spiegel, Homotopical foundations of parametrized quantum spin systems, Reviews in Mathematical Physics 36 (2024), no. 09, 2460003. Links: journal  arXiv

5. X. Wen, M. Qi, A. Beaudry, J. Moreno, M. J. Pflaum, D. D. Spiegel, A. Vishwanath, and M. Hermele, Flow of (higher) Berry curvature and bulk-boundary correspondence in parametrized quantum systems, Phys. Rev. B 108 (2023), 125147,  Link: journal  arXiv

6. D. D. Spiegel, J. Moreno, M. Qi, M. Hermele, A. Beaudry, and M. J. Pflaum, Continuous dependence on the initial data in the Kadison transitivity theorem and GNS construction, Reviews in Mathematical Physics 34 (2022), no. 09, 2250031.   Links:  journal  arXiv

7. P. Huang, R. A. Roglans, D. D. Spiegel, Y. Sun, and C. E. M. Wagner, Constraints on Supersymmetric Dark Matter for Heavy Scalar Superpartners, Physical Review D 95 (2017), 095021.   Links: journal  arXiv