C. Quantum, . And, and . Semigroups, Résumé Personal data Michaël Ulrich 8, rue Beauregard F-25000 Besançon FRANCE michael.ulrich@normalesup.org Citizenship: French Born the, 1988.

@. M. Ulrich, Construction of a free L??vy process as high-dimensional limit of a Brownian motion on the unitary group, Infinite Dimensional Analysis, Quantum Probability and Related Topics, vol.17, issue.03, 2015.
DOI : 10.1007/BFb0089237

@. G. Cébron and M. Ulrich, Haar states and Lévy processes on the unitary dual group, Journal of Functional Analysis, 2016.

@. U. Franz, G. Hong, F. Lemeux, and M. Ulrich, Hypercontractivity of heat semigroups on free quantum groups, Journal of Operator Theory, vol.77, issue.1, p.2015
DOI : 10.7900/jot.2015nov13.2126

. Finally, Ornella Bicchierri, who truly deserves a special place. I am very much indebted to her for her constant support and encouragements. Words would not be enough to express my appreciation for her! Bibliography [1] Anis Ben Ghorbal and Michael Schürmann. Non-commutative notions of stochastic independence, Math. Proc. Cambridge Philos. Soc, pp.531-561, 2002.

A. Ben, G. , and M. Schürmann, Quantum Lévy processes on dual groups, Mathematische Zeitschrift, vol.251, issue.1, pp.147-165, 2005.

H. Bercovici, Multiplicative monotonic convolution, Illinois J. Math, vol.49, issue.3, pp.929-951, 2005.

G. M. Bergman and A. O. Hausknecht, Cogroups and Co-rings in Categories of Associative Rings. Mathematical surveys and monographs, 1996.

P. Biane, Free Brownian motion, free stochastic calculus, and random matrices, Free probability theory, pp.1-19, 1995.
DOI : 10.1090/fic/012/01

P. Biane and . Free, Free Hypercontractivity, Communications in Mathematical Physics, vol.184, issue.2, pp.457-474, 1997.
DOI : 10.1007/s002200050068

M. Brannan, Reduced operator algebras of trace-preserving quantum automorphism groups, Documenta Mathematica, vol.18, pp.1349-1402, 2013.

M. Brannan, Strong Asymptotic Freeness for Free Orthogonal Quantum Groups, Bulletin canadien de math??matiques, vol.57, issue.4, pp.708-720, 2014.
DOI : 10.4153/CMB-2014-004-9

URL : https://cms.math.ca/cmb/abstract/pdf/151104.pdf

G. Lawrence and . Brown, Ext of certain free product C * -algebras, J. Operator Theory, vol.6, issue.1, pp.135-141, 1981.

I. Bucur, A. Deleanu, and P. J. Hilton, Introduction to the theory of categories and functors. Pure and applied mathematics, 1968.

G. Cébron and M. Ulrich, Haar states and Lévy processes on the unitary dual group, Journal of Functional Analysis, 2016.

G. Cébron, Matricial model for the free multiplicative convolution. The Annals of Probability (to appear), arXiv, pp.1402-5286

F. Cipriani, Dirichlet Forms on Noncommutative Spaces, Quantum Potential Theory, pp.161-276, 1954.
DOI : 10.1007/978-3-540-69365-9_5

F. Cipriani, U. Franz, and A. Kula, Symmetries of L??vy processes on compact quantum groups, their Markov semigroups and potential theory, Journal of Functional Analysis, vol.266, issue.5, pp.2789-2844, 2014.
DOI : 10.1016/j.jfa.2013.11.026

B. Collins, Moments and cumulants of polynomial random variables on unitary groups, the Itzykson-Zuber integral, and free probability, Int. Math. Res. Not, issue.17, pp.953-982, 2003.

A. Connes, Noncommutative Geometry, 1994.

A. Van-daele and S. Wang, Universal quantum groups, International Journal of Mathematics, issue.02, pp.7255-263, 1996.

U. Franz, G. Hong, F. Lemeux, and M. Ulrich, Hypercontractivity of heat semigroups on free quantum groups, Journal of Operator Theory, vol.77, issue.1, 2015.
DOI : 10.7900/jot.2015nov13.2126

U. Franz, L??vy Processes on Quantum Groups and Dual Groups, Quantum Independent Increment Processes II, pp.161-257, 2006.
DOI : 10.1007/11376637_3

U. Franz, Multiplicative monotone convolutions, Quantum Probability, pp.153-166, 2006.
DOI : 10.4064/bc73-0-10

URL : https://hal.archives-ouvertes.fr/hal-00470211

U. Franz, Boolean convolution of probability measures on the unit circle, Analyse et probabilités, pp.83-94, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00470213

U. Franz, A. Kula, and A. Skalski, L??vy Processes on Quantum Permutation Groups, 2015.
DOI : 10.1007/978-3-319-29116-1_11

URL : http://arxiv.org/pdf/1510.08321

R. Holley and D. Stroock, Logarithmic Sobolev inequalities and stochastic Ising models, Journal of Statistical Physics, vol.42, issue.5-6, pp.1159-1194, 1987.
DOI : 10.1007/BF01011161

URL : http://dspace.mit.edu/bitstream/1721.1/2921/1/P-1540-16294636.pdf

M. Junge, C. Palazuelos, J. Parcet, and M. Perrin, Hypercontractivity in group von Neumann algebras, Memoirs of the American Mathematical Society, vol.249, issue.1183, 2013.
DOI : 10.1090/memo/1183

B. Kümmerer and R. Speicher, Stochastic integration on the Cuntz algebra O???, Journal of Functional Analysis, vol.103, issue.2, pp.372-408, 1992.
DOI : 10.1016/0022-1236(92)90126-4

. Th and . Lévy, Schur-Weyl duality and the heat kernel measure on the unitary group, Advances in Mathematics, vol.218, pp.537-575, 2008.

T. Lévy, The master field on the plane, 2011.

M. Liao, Lévy processes in Lie groups. Cambridge Tracts in Mathematics, 2004.

K. Mcclanahan, C???-algebras generated by elements of a unitary matrix, Journal of Functional Analysis, vol.107, issue.2, pp.439-457, 1992.
DOI : 10.1016/0022-1236(92)90117-2

P. Meyer, Qantum Probability for Probabilists, Lecture Notes in Mathematics, vol.1538, 1995.

N. Muraki, THE FIVE INDEPENDENCES AS QUASI-UNIVERSAL PRODUCTS, Infinite Dimensional Analysis, Quantum Probability and Related Topics, vol.17, issue.01, pp.113-134, 2002.
DOI : 10.1007/BF00536049

A. Nica and R. Speicher, R-diagonal pairs?a common approach to Haar unitaries and circular elements In Free probability theory, Fields Inst. Commun, vol.12, pp.149-188, 1995.

A. Nica and R. Speicher, Lectures on the Combinatorics of Free Probability, volume 335 of Lecture Notes Series, 2006.

R. Olkiewicz and B. Zegarlinski, Hypercontractivity in Noncommutative LpSpaces, Journal of Functional Analysis, vol.161, issue.1, pp.246-285, 1999.
DOI : 10.1006/jfan.1998.3342

É. Ricard and Q. Xu, A noncommutative martingale convexity inequality, The Annals of Probability, vol.44, issue.2, 2014.
DOI : 10.1214/14-AOP990

URL : https://hal.archives-ouvertes.fr/hal-01662146

M. Schürmann, Noncommutative stochastic processes with independent and stationary increments satisfy quantum stochastic differential equations. Probability Theory and Related Fields, pp.473-490, 1990.

M. Schürmann, White Noise on Bialgebras, Lecture Notes in Mathematics, vol.1544, 1993.
DOI : 10.1007/BFb0089237

M. Schürmann and S. Voß, Schoenberg Correspondence on Dual Groups, Communications in Mathematical Physics, vol.89, issue.2, pp.849-865, 2014.
DOI : 10.1016/0001-8708(91)90077-K

B. Simon and R. Høegh-krohn, Hypercontractive semigroups and two dimensional self-coupled Bose fields, Journal of Functional Analysis, vol.9, issue.2, pp.121-180, 1972.
DOI : 10.1016/0022-1236(72)90008-0

URL : https://doi.org/10.1016/0022-1236(72)90008-0

M. Skeide, Quantum Stochastic Calculus on Full Fock Modules, Journal of Functional Analysis, vol.173, issue.2, pp.401-452, 2000.
DOI : 10.1006/jfan.2000.3579

URL : https://doi.org/10.1006/jfan.2000.3579

R. Speicher, Combinatorial theory of the free product with amalgamation and operator-valued free probability theory, Memoirs of the American Mathematical Society, vol.132, issue.627, p.88, 1998.
DOI : 10.1090/memo/0627

M. Ulrich, Construction of a free L??vy process as high-dimensional limit of a Brownian motion on the unitary group, Infinite Dimensional Analysis, Quantum Probability and Related Topics, vol.17, issue.03, 2015.
DOI : 10.1007/BFb0089237

N. Varopoulos, L. Saloff-coste, and T. Coulhon, Analysis and Geometry on Groups, 1992.
DOI : 10.1017/CBO9780511662485

D. Voiculescu, K. J. Dykema, and A. Nica, Free Random Variables, volume 1 of CRM Monograph Series, 1992.

D. Voiculescu, Dual Algebraic Structures on Operator Algebras Related to Free Products, Journal of Operator Theory, vol.17, pp.85-98, 1987.

D. Voiculescu, Limit laws for Random matrices and free products, Inventiones mathematicae, vol.67, issue.3, pp.201-220, 1991.
DOI : 10.2307/1970008

S. Voß, Realisierung von Quanten-Lévy-Prozessen auf Fockräumen, p.2013

S. Wang, Free products of compact quantum groups, Communications in Mathematical Physics, vol.21, issue.3, pp.671-692, 1995.
DOI : 10.1007/978-1-4612-6188-9

S. Wang, Quantum Symmetry Groups of Finite Spaces, Communications in Mathematical Physics, vol.195, issue.1, pp.195-211, 1998.
DOI : 10.1007/s002200050385

J. James and . Zhang, H-algebras Advances in Mathematics Index Algebra Hopf algebra, i, pp.144-191, 1991.

. Von-neumann, dual groups unitary dual group, ii, vi, pp.13-15

. Quantum, 71 free orthogonal quantum group, 7, 24, 25 free permutation quantum group, pp.7-11