Pierre Fima
Maître de Conférences
Université Denis-Diderot - Paris 7
Equipe d'Algèbres d'Opérateurs
Institut Mathématiques de Jussieu
Site Sophie Germain
75 013 Paris
France
Office: 7010
pierre.fima@imj-prg.fr
PhD in Mathematics from the University of Caen, France (2007) and HDR in Mathematics from the University Paris 7 (2014).
Voici une synthèse de mes recherches.
PhD students:
Lorenzo Pittau
Rubén Martos
Frank Taipe
Hua Wang
Preprint:
- High transitivity for more groups acting on tree, with F. LeMaitre, S. Moon and Y. Stalder.
Download here in pdf.
Publications:
- Homegeneous actions on Uryshon spaces, with F. LeMaitre, J. Melleray and S. Moon.
To appear in Groups, Geometry and Dynamics.
Download here in pdf.
- Homogeneous Actions on the Random Graphs, with S. Moon and Y. Stalder.
To appear in Colloquium Mathematicum.
Download here in pdf.
- The KK-theory of amalgamated free products, with E. Germain.
Adv. Math. 369 (2020) Download here in pdf.
- Rapid decay and polynomial growth for bicrossed products, with H. Wang.
To appear in J. Noncommut. Geom. Download here in pdf.
- The KK-theory of fundamental C*-algebras, with E. Germain.
Trans. Amer. Math. Soc. 370 (2018), 7051-7079. Download here in pdf.
- On compact bicrossed products, with K. Mukherjee and I. Patri.
J. Noncommut. Geom. (2017); no. 1, 367-411. Download here in pdf.
- The free wreath product of a compact quantum group by a quantum automorphism group, with L. Pittau.
J. Funct. Anal. 271 (2016), no. 7, 1996-2043. Download here in pdf.
- Graph products of operator algebras, with M. Caspers.
J. Noncommut. Geom. (2017); no. 1, 367-411. Download here in pdf.
- On a cocycle in the adjoint representation of the orthogonal free quantum groups, with R. Vergnioux.
Int. Math. Res. Notices 2015 (2015) 10069-10094. Download here in pdf.
- Highly transitive actions of groups acting on trees, with S. Moon and Y. Stalder.
Proc. Amer. Math. Soc. 143 (2015) 5083-5094. Download here in pdf.
- Graphs of quantum groups and K-amenability, with A. Freslon.
Adv. Math. 260 (2014) 233-280. Download here in pdf.
- The Haagerup property for locally compact quantum groups, with M. Daws, A. Skalski and S. White.
J. Reine Angew. Math. 711 (2016) 198-229. Download here in pdf.
- K-amenability of HNN extensions of amenable discrete quantum groups.
Journal of Functional Analysis, 265 (2013) 507-519. Download here in pdf.
- Amenable, transitive and faithful actions of groups acting on trees.
Ann. Inst. Fourier (Grenoble) 24 (2014) 1-17. Download here in pdf.
- A note on the von Neumann algebra of a Baumslag-Solitar group.
C. R. Acad. Sci. Paris, Ser. I 349 (2011) 25-27. Download here in pdf.
- HNN extensions and unique group measure space decomposition of II1 factors, with S. Vaes
Transactions of the American Mathematical Society, 354 (2012) 2601-2617. Download here in pdf.
- Property T for Discrete Quantum Groups
International Journal of Mathematics 21 (2010), no. 1, Pages 47-65. Download here in pdf.
- Twisting and Rieffel's deformation of locally compact quantum groups. Deformation of the Haar measure, with L. Vainerman
Communications in Mathematical Physics, Volume 286, Number 3, March 2009, Pages 1011-1050. Download here in pdf.
- A locally compact quantum group of upper triangular matrices, with L. Vainerman.
Ukrainian Math. Journal, Volume 60, No 4 (2008), pp. 564 - 577. Download here in pdf.
- On locally compact quantum groups whose algebras are factors.
Journal of Functional Analysis, volume 244, Issue 1, 1 March 2007, Pages 78-94. Download here in pdf.
Some Additional Mathematical Texts:
Portes et Circuits Quantiques.
Notes of a talk on Quantum Computation (french). Download here in pdf.
Last updated: January 22, 2021.