Erkka Haapasalo

Preprints

  • Roope Uola, E.Haapasalo, Juha-Pekka Pellonp√§√§. Barycentric decomposition for quantum instruments.
  • Muhammad Usman Farooq, Tobias Fritz, E.Haapasalo, M. Tomamichel. Asymptotic and catalytic matrix majorization.
  • Tom Kuusela, Juha-Pekka Pellonp√§√§, E.Haapasalo, Roope Uola. Retrievability of information in quantum and realistic hidden variable theories.
  • E.Haapasalo. Joint measurements through quantum broadcasting.
  • Roope Uola, E.Haapasalo, Tristan Kraft, Juha-Pekka Pellonp√§√§. An operational characterization of infinite-dimensional quantum resources.
  • E.Haapasalo. The Choi-Jamiolkowski isomorphism and covariant quantum channels.

Publications

  • J. Lumbreras, E.Haapasalo, M. Tomamichel. (2022). Multi-armed quantum bandits: Exploration versus exploitation when learning properties of quantum states. Quantum 06 749
  • Roope Uola, Nikolai Miklin, Tristan Kraft, E.Haapasalo. (2021). Quantum marginal problem and incompatibility. Quantum 5 476
  • Juha-Pekka Pellonp√§√§, E.Haapasalo. (2021). Optimal covariant quantum measurements. J. Phys. A: Math. Theor. 54 155304
  • Juha-Pekka Pellonpaa, E.Haapasalo. (2020). Effective methods for constructing extreme quantum observables. J. Phys. A: Math. Theor. 53 245301
  • E.Haapasalo. (2019). Compatibility of covariant quantum channels with emphasis on Weyl symmetry. Ann. Henri Poincare 20 3163‚Äď319
  • Takayuki Miyadera, Teiko Heinosaari, E.Haapasalo. (2018). The unavoidable information flow to environment in quantum measurements. J. Math. Phys. 59 082106
  • Juha-Pekka Pellonpaa, E.Haapasalo. (2017). Optimal quantum observables. J. Math. Phys. 58 122104
  • Juha-Pekka Pellonp√§√§, E.Haapasalo. (2017). Covariant KSGNS construction and quantum instruments. Rev. Math. Phys. 29 1750020
  • Yui Kuramochi, Teiko Heinosaari, E.Haapasalo. (2016). Saturation of repeated quantum measurements. J. Phys. A: Math. Theor. 49 33LT01
  • E.Haapasalo. (2015). Robustness of incompatibility for quantum devices. J. Phys. A: Math. Theor. 48 255303
  • Roope Uola, Juha-Pekka Pellonp√§√§, E.Haapasalo. (2015). Compatibility properties of extreme quantum observables. Letters in Mathematical Physics 105 661‚Äď673
  • Mario Ziman, Michal Sedlak, E.Haapasalo. (2014). Distance to boundary and minimum-error discrimination. Phys. Rev. A 89 062303
  • Juha-Pekka Pellonp√§√§, Teiko Heinosaari, E.Haapasalo. (2014). When do pieces determine the whole? Extremal marginals of a completely positive map. Rev. Math. Phys. 26 1450002
  • Juha-Pekka Pellonp√§√§, Teiko Heinosaari, E.Haapasalo. (2012). Quantum measurements on finite dimensional systems: relabeling and mixing. Quantum Information Processing 11 1751‚Äď176
  • Juha-Pekka Pellonp√§√§, E.Haapasalo. (2011). Extreme Covariant Quantum Observables in the Case of an Abelian Symmetry Group and a Transitive Value Space. J. Math. Phys. 52 122102
  • E.Haapasalo, Pekka Lahti, Jussi Schultz. (2011). Weak vs. approximate values in quantum state determination. Phys. Rev. A 84 052107