ROBERTO PERCACCI

LIST OF PUBLICATIONS

 

Papers published in journals

[1] G. Denardo, R. Percacci; “Quantum field theory for a rotating observer”, Nuovo Cimento  48 B, 81 (1978).

[2] E. Gava, R. Iengo, C. Omero, R. Percacci; “Classical solutions for a generally covariant CP^2 nonlinear sigma model”, Nucl. Phys.  B 151, 457 (1979).

[3] R. Percacci; “Einstein-Maxwell instantons and charge quantization”, Nuovo Cimento  52 B, 90 (1979).

[4] C. Omero, R. Percacci; “Generalized nonlinear sigma models in curved space and spontaneous compactification”, Nucl. Phys.  B 165, 351 (1980).

[5] K.G. Akdeniz, M. Goodman, R. Percacci; “Monopoles and twisted sigma models”, Phys. LettB 96, 144 (1980).

[6] R. Percacci; “Global definition of nonlinear sigma model and some consequences”, J. Math. Phys.  22, 1892 (1981).

[7] N.K. Pak, R. Percacci; “On the topological equivalence of gauge and Higgs fields in the dyon sectors”, Nucl. Phys  B 188, 355 (1981).

[8] R. Percacci; “General Relativity as a soldered nonlinear sigma model”, Gen. Rel. and Grav.  14, 1043 (1982).

[9] S. Randjbar-Daemi, R. Percacci; “Spontaneous compactification of 4+d-dimensional Kaluza-Klein theory into M_4×G/H for symmetric G/H”,  Phys. Lett.  B 117, 41 (1982).

[10] P.A. Marchetti, R. Percacci; “On the vacuum structure of gauge differential forms”, Lett. Math. Phys.  6, 405 (1982).

[11] A. de Pantz, P.A. Marchetti, R. Percacci; “Supermanifold description of the BRS symmetries of skewsymmetric tensor gauge fields”, J. Phys.  A 16, 861 (1983).

[12] R. Percacci, S. Randjbar-Daemi; “Kaluza-Klein theories on bundles with homogeneous fibers”, J. Math. Phys.  24, 807 (1983).

[13] R. Percacci; `` Spontaneous soldering”, Phys. Lett.  B 144, 37 (1984).

[14] R. Percacci; `` The gauge group of gravity, spinors and anomalies”, Int. J. Theor. Phys.  25, 493 (1986).

[15] L. Dabrowski, R. Percacci; `` Spinors and diffeomorphisms,  Comm. Math. Phys.  106, 691 (1986).

[16] R. Percacci, I. Vuorio, P. Sodano; `` Topologically massive planar universes with constant twist”, Ann. of Phys. (N.Y.)  176, 344 (1987).

[17] R. Percacci; `` On the topological mass in three-dimensional gravity”,  Ann. of Phys. (N.Y.)  177, 27 (1987).

[18] N.K. Pak, R. Percacci; “Absence of topological effects in the gauged SU(2)-nonlinear sigma model in 2+1 dimensions”, Phys. Rev.  D 36, 2520 (1987).

[19] R. Percacci; “On the quantization of a theory with global gauge anomalies”,  Mod. Phys. Lett.  A 2, 977 (1987).

[20] L. Dąbrowski, R. Percacci; “Diffeomorphisms, orientation and Pin structures in two dimensions”, J. Math. Phys.  29, 580 (1988).

[21] R. Percacci, R. Rajaraman; “Gauss law commutator in the chirally gauged Wess-Zumino-Witten model”, Phys. Lett.  B 201, 256 (1988).

[22] R. Percacci, R. Rajaraman; “Constrained Hamiltonian structure of the chirally gauged Wess-Zumino-Witten model”, Int. J. of Mod. Phys.  A 4, 4177 (1989).

[23] R. Floreanini, R. Percacci; “Anomalous Gauss Law Algebras”,  Int. J. of Mod. Phys.  A 4, 4581 (1989).

[24] R. Floreanini, R. Percacci, E. Sezgin; “Sigma models with purely Wess-Zumino-Witten actions”, Nucl. Phys.  B 322, 255 (1989).

[25] R. Floreanini, R. Percacci; “Higher dimensional abelian Chern-Simons theory”,  Phys. Lett.  B 224, 291 (1989).

[26] R. Floreanini, R. Percacci, R. Rajaraman; “Four dimensional current algebra from Chern-Simons theory”, Phys. Lett.  B 231, 119 (1989).

[27] N.K. Pak, R. Percacci; “Hamiltonian methods for nonlinear sigma models”,  J. Math. Phys.  30, 2951, (1989).

[28] R. Floreanini, R. Percacci; “Canonical algebra of GL(4)--invariant gravity”,  Class. and Quantum Grav.  7, 975 (1990).

[29] R. Floreanini, R. Percacci; “Palatini formalism and new canonical variables for GL(4)--invariant gravity”, Class. and Quantum Grav.  7, 1805 (1990).

[30] R. Floreanini, R. Percacci; “Topological GL(3)--invariant gravity”, Class. and Quantum Grav.  8, 273 (1991).

[31] R. Floreanini, R. Percacci; “Topological pregeometry,  Mod. Phys. Lett.  A 5, 2247, (1990).

[32] N. Pak and R. Percacci; ”Topology of the 2+1--dimensional sigma model”, Phys. Rev.  D 43, 1375, (1991).

[33] R. Percacci; “The Higgs phenomenon in quantum gravity”,  Nucl. Phys.  B 353, 271, (1991), arxiv: 0712.3545 [hep-th]

[34] R. Floreanini, R. Percacci and E. Spallucci; “Coleman--Weinberg effect in Quantum Gravity”, Class. and Quantum Grav.  8, L193, (1991).

[35] R. Floreanini, R. Percacci and E. Sezgin; “Infinite dimensional algebras in Chern--Simons quantum mechanics”, Phys. Lett.  B 261, 51, (1991).

[36] R. Floreanini, R. Percacci and E. Sezgin; “Quantum mechanics on the circle and W1+∞”, Phys. Lett.  B 271, 372 (1991).  hep-th/9111053

[37] R. Floreanini, R. Percacci; “Mean—Field Quantum Gravity”, Phys. Rev.  D 46, 1566 (1992).

[38] R. Percacci and J. Russo, “On the propagation of quantum fields at Planckian energies”, Mod. Phys. Lett.  A 7, 865 (1992).

[39] E. Bergshoeff, R. Percacci, E. Sezgin, K.S. Stelle and P.K. Townsend, “Realizations of gauge transformations in p-loop space”, Nucl. Phys.  B 398, 343 (1993). hep-th/9212037

[40] E. Sezgin and R. Percacci, “Symmetries of p-branes”, Int. J. of Mod. Phys.  A8, 5367 (1993). hep-th/9210061

[41] S. Odintsov and R. Percacci; ”Renormalization group effects in the conformal sector of 4D gravity with matter”, Mod. Phys. Lett.  A9, 2049 (1994).

[42] J. Mickelsson and R. Percacci, “Global aspects of p-branes”, Journal of Geometry and Physics  15, 369 (1995). hep-th/9304054

[43] R. Floreanini, R. Percacci; “Average Effective Potential for the Conformal Factor”, Nucl. Phys.  436, 141 (1995). hep-th/9305172

[44] R. Percacci and E. Sezgin; “On Target-Space Duality in p-Branes”, Mod. Phys. Lett.  A 10, 441 (1995). hep-th/9407021

[45] R.Floreanini and R. Percacci; “The running of the conformal factor”, Turk. J. of Phys.  19, 901 (1995)

[46] R.Floreanini and R. Percacci; “Renormalization group flow of the dilaton potential”, Phys. Rev.  D 52, 896 (1995). hep-th/9412181

[47] R. Floreanini and R. Percacci; “The heat kernel and the average effective potential”, Phys. Lett.  B 356, 205 (1995). hep-th/9505172

[48] R. Floreanini and R. Percacci, “Quantum mechanical breaking of local GL(4) invariance”, Phys. Lett.  B379, 87 (1996) hep-th/9508157

[49] L. Griguolo and R. Percacci, “The β functions of a scalar theory coupled to gravity”, Phys. Rev.  D 52, 5787 (1995). hep-th/9504092

[50] S. Odintsov and R. Percacci “Yang--Mills vacuum structure and quantum gravity”, Mod. Phys. Lett.  A11, 1807 (1996) hep-th/9606198

[51] D. Dou and R. Percacci, “The running gravitational couplings”, Class. Quantum Grav.  15, 3449 (1998) hep-th/9707239

[52] M. Fabbrichesi, R. Percacci, M. Piai and M. Serone, “Cancellation of global anomalies in spontaneously broken gauge theories”, Phys. Rev. D 66 105028 (2002),  hep-th/0207013

[53] R. Percacci and A. Vespignani “Scale-free behavior of the Internet global performance”, European Journal of Physics  B 32, 411-414 (2003),  cond-mat/0209619

[54] R. Percacci and D. Perini, “Constraints on matter from asymptotic safety”, Phys.Rev.  D 67 081503 (2003)   hep-th/0207033

[55] R. Percacci and D. Perini, “Asymptotic safety of gravity coupled to matter”, Phys.Rev.  D 68 044018 (2003)  hep-th/0304222

[56] R. Percacci and D. Perini, “On the Ultraviolet behaviour of Newton's constant”, Class. and Quantum Grav.  21, 5035 (2004)   hep-th/0401071

[57] R. Percacci, “The Renormalization Group, systems of units and the hierarchy problem”, J. Phys. A: Math. Theor. 40, 4895-4913 (2007) hep-th/0409199

[58] R. Percacci, “Further evidence for a gravitational fixed point”, Phys.Rev.  D73 041501 (2006) hep-th/0511177

[59] F. Girelli, S. Liberati, R. Percacci and C. Rahmede, “Modified Dispersion Relations from the Renormalization Group of Gravity”, Class. Quant. Grav. 24, 3995-4008 (2007). gr-qc/0607030

[60] A. Codello and R. Percacci, “Fixed Points of Higher Derivative Gravity”, Phys. Rev. Lett. 97, 221301 (2006),  hep-th/0607128

[61] A. Codello, R. Percacci and C. Rahmede, “Ultraviolet properties of f(R) Gravity”, Int. J. Mod. Phys. A 23, 143-150 (2008) arXiv:0705.1769 [hep-th]

[62] F. Nesti and R. Percacci, “Graviweak unification”, J. Phys. A: Math. Theor. 41 075405 (15pp) (2008)  arXiv:0706.3307 [hep-th]

[63] R. Percacci, “Mixing internal and spacetime transformations: some examples and counterexamples”,  J. Phys. A: Math. Theor. 41 (2008) 335403  arXiv:0803.0303 [hep-th]

[64]  A. Codello, R. Percacci and C. Rahmede, “Investigating the ultraviolet properties of gravity with a Wilsonian renormalization group equation” Annals of Physics 324, 414-469  (2009), arXiv:0805.2909[hep-th]

[65]   A. Codello, R. Percacci, “Fixed Points of Nonlinear Sigma Models in d>2., Physics Letters B 672 (2009), pp. 280-283;  arXiv:0810.0715 [hep-th]

[66] O. Zanusso, L. Zambelli, R. Percacci and G.P. Vacca, “Gravitational corrections to Yukawa systems”, Phys. Lett. B 689 90-94 (2010). arXiv:0904.0938 [hep-th]

[67] P.F. Machado and R. Percacci, “Conformally reduced quantum gravity revisited”, Phys. Rev. D 80 024020 (2009) arXiv:0904.2510 [hep-th]

[68] F. Nesti and R. Percacci, “Chirality in unified theories of gravity” Phys. Rev. D 81, 025010 (2010) arXiv:0909.4537 [hep-th]

[69] R. Percacci and O. Zanusso, “One loop beta functions and fixed points in Higher Derivative Sigma Models” Phys. Rev.  D 81, 065012 (2010) arXiv:0910.0851 [hep-th]

[70] G. Narain and R. Percacci, “Renormalization Group Flow in Scalar-Tensor Theories. I.” Class. Quant. Grav. 27 075001 (2010)  arXiv:0911.0386 [hep-th]

[71] R. Percacci and E.Sezgin, “One Loop Beta Functions in Topologically Massive Gravity”, Class. and Quant. Grav. 27, 155009 (2010)  arXiv:1002.2640 [hep-th]

[72] A. Bonanno, A. Contillo and R. Percacci, “Inflationary solutions in asymptotically safe f(R) gravity”, Class. and Quant. Grav. 28, 145026 (2011)  http://arxiv.org/abs/1006.0192

[73] X. Calmet, S. Hossenfelder and R. Percacci, "Deformed special relativity from asymptotically safe gravity", Phys. Rev. D 82, 124024 (2010)  arxiv:1008.3345 [gr-qc]

[74] R. Percacci and G. P. Vacca, "Asymptotic safety, emergence and minimal length", Class. and Quantum Grav. 27, 245026 (2010) arxiv:1008.3621 [hep-th]
[75] M. Fabbrichesi, R. Percacci, A. Tonero and O. Zanusso, "Asymptotic safety of the gauged SU(N) nonlinear sigma model", Phys. Rev. D83, 025016 (2011) arXiv: 1010.0912 [hep-ph]
[76] M. Fabbrichesi, R. Percacci, A. Tonero and L. Vecchi, "The electroweak S and T parameters from a fixed point condition", Phys. Rev. Lett. 107, 021803 (2011)   arXiv: 1102.2113 [hep-ph]
[77] F. Bazzocchi, M. Fabbrichesi, R. Percacci, A. Tonero and L. Vecchi, "Fermions and Goldstone bosons in an asymptoticaly safe model", Phys. Lett. B705, 388-392  (2011)  arXiv: 1105.1968 [hep-ph]

[78] D. Litim, R. Percacci and L. Rachwal, "Scale-dependent Planck mass and Higgs VEV from holography and functional renormalization", Phys. Lett. B710, 472-477 (2012)  arXiv:1109.3062 [hep-th]

[79] R. Percacci, "Renormalization group flow of Weyl-invariant dilaton gravity", New J. of Phys. 13,125013 (2011)  arXiv:1110.6758 [hep-th]
[80] R. Percacci and L. Rachwal, "On classicalization in nonlinear sigma models", Phys. Lett. B711 184-189 (2012) 
arXiv:1202.1101

[81] P. Dona' and R. Percacci, "Functional renormalization with fermions and tetrads", Phys. Rev. D 87, 045002 (2013) arXiv:1209.3649
[82] A. Codello, G'Odorico, C. Pagani and R. Percacci, "The renormalization group and Weyl invariance", Class. and Quant. Grav. 30, 115015 (2013)  arXiv:1210.3284
[83] R. Percacci, M.J. Perry, C.N. Pope, E. Sezgin, "Beta Functions of Topologically Massive Supergravity" JHEP 1403 (2014) 083,
arXiv:1302.0868 [hep-th]
[84]
R. Percacci and M. Safari, "Functional renormalization of N scalars with O(N) invariance", Phys.Rev. D88 (2013) 085007
arXiv:1306.3918 [hep-th]
[85] N. Ohta and R. Percacci, "Higher Derivative Gravity and Asymptotic Safety in Diverse Dimensions", Class and Quantum Grav. 31, 015024 (2014)  arXiv:1308.3398 [hep-th]
[86] P. Dona', A. Eichhorn and R. Percacci, "Matter matters in asymptotically safe quantum gravity", Phys.Rev. D89 (2014) 8, 084035,  arXiv:1311.2898 [hep-th]

[87] C. Pagani and R. Percacci, "Quantization and fixed points of non-integrable Weyl theory", Class.Quant.Grav. 31 (2014) 115005, arXiv:1312.7767 [hepth]

[88] R. Percacci and G. P. Vacca, "Are there scaling solutions in the O(N)-models for large N in d>4? ", Phys. Rev. D90, 107702 (2014) arxiv:1405.6622 [hep-th]

[89] R. Percacci and G. P. Vacca, "Search of scaling solutions in scalar-tensor gravity", Eur. Phys. J. C75, 5 (2015) arxiv:1405.6622 [hep-th]

[90] A. Codello, R. Percacci, L. Rachwal and A. Tonero, "Computing the Effective Action with the Functional Renormalization Group", Eur. Phys. J. C76, n.4, 226 (2016) arxiv:1505.03119 [hep-th]

[91] P. Labus, R. Percacci and G. P. Vacca, "Asymptotic safety in O(N)-scalar models coupled to gravity", Phys.Lett. B753 (2016) 274-281, arxiv:1505.05393 [hep-th]
[92] C. Pagani and R. Percacci, "Quantum gravity with torsion and nonmetricity", Class.Quant.Grav. 32 (2015) 19, 195019,
arXiv:1506.02882 [hep-th]

[93] N. Ohta and R. Percacci, "Ultraviolet fixed points in conformal gravity and general quadratic theories",  Quantum Grav. 33 (2016) 035001.  arXiv:1506.05526 [hep-th]
[94] N. Ohta, R. Percacci and G.P. Vacca, "Flow equation for f(R) gravity and some of its exact solutions", Phys.Rev. D92 (2015) 6, 061501, arXiv:1507.00968 [hep-th]

[95] M.J. Duff,, J.X. Lu,, R. Percacci,, C.N. Pope,, H. Samtleben,, E. Sezgin, "Membrane Duality Revisited", Nucl.Phys. B901 (2015) 1-21, arXiv:1509.02915 [hep-th]
[96] N. Ohta, R. Percacci and G.P. Vacca, "Renormalization Group Equation and scaling solutions for f(R) gravity in exponential parametrization", Eur. Phys. J. C arXiv:1507.00968 [hep-th]

[97] P. Dona', A. Eichhorn, P. Labus and R. Percacci, "Asymptotic safety in an interacting system of gravity and scalar matter ", Phys.Rev. D93 (2016) no.4, 044049, Erratum: Phys.Rev. D93 (2016) no.12, 129904 arXiv:1512.01589 [hep-th]
[98] N. Ohta, R. Percacci and A.D. Pereira "Gauges and functional measures in quantum gravity I: Einstein theory", JHEP 1606 (2016) 115, arXiv:1605.00454 [hep-th]

[99] N. Ohta, R. Percacci and A.D. Pereira "Gauges and functional measures in quantum gravity II: higher derivative gravity",  arXiv:1610.07991 [hep-th]
[100] R. Percacci and G. P. Vacca, "The background scale Ward identity in quantum gravity ", Eur.Phys.J. C77 (2017) no.1, 52 , arxiv:1611.07005 [hep-th]

[101] C.M. Nieto, R. Percacci and V. Skrinjar, “Split Weyl transformations in quantum gravity”, Phys. Rev. D96, 1-13 (2017)  arXiv:1708.09760 [gr-qc]

[102] R. de Leon Ardon, N. Ohta and R. Percacci, “The path integral of unimodular gravity”, Phys. Rev. D97, 026007 (2018)   arXiv:1710.02457 [gr-qc]

[103] Percacci, R “Unimodular quantum gravity and the cosmological constant”, Found. Of Phys., 48, p. 1364-1379, (2018). arXiv:1712.09903 [gr-qc]

[104] Barducci, D., Fabbrichesi, M., Nieto, C. M., Percacci, R., Skrinjar, V. “In search of a UV completion of the standard model — 378,000 models that don’t work” JHEP 1811, 057 (2018) arXiv:1807.05584 [hep-ph]

[105] S. Gielen, R. De León Ardón,R. Percacci,  “Gravity with more or less gauging” Class. And Quantum Grav., vol. 35, (2018). 195009  arXiv:1805.11626 [gr-qc]

[106] K. Krasnov, R. Percacci,. “Gravity and unification: A review” Class. and Quantum Grav.  vol. 35, 143001 (2018).  arXiv:1712.03061 [hep-th]

[107] Ohta, N., Percacci, R., Pereira, A. D. “F (R, Ricci^2) at one loop” Phys. Rev. D 97, 104039 (2018). arXiv:1804.01608 [hep-th]

[108] T.R.Morris and R. Percacci, “Trace anomaly and infrared cutoffs”, Phys.Rev. D99 (2019) no.10, 105007 : arXiv:1810.09824 [hep-th]

[109] A. Baldazzi, R. Percacci and V. Skrinjar “Wicked metrics” Class.Quant.Grav. 36 (2019) no.10, 105008  arXiv:1811.03369 [gr-qc]

[110] A. Baldazzi, R. Percacci and V. Skrinjar “Quantum fields without Wick rotation” Symmetry 11 (2019) no.3, 373   arXiv:1901.01891 [gr-qc]

[111] E. Sezgin, R. Percacci "A New Class of Ghost and Tachyon Free Metric Affine Gravities", Phys. Rev. D101, 084040 (2020), e-Print: 1912.01023 [hep-th]
[112] A. Bonanno, S. Lippoldt, R. Percacci and G.P. Vacca, "On Exact Proper Time Wilsonian RG Flows", Eur.Phys.J.C 80 (2020) 3, 249  e-Print: 1912.08135 [hep-th]
[113] R. Alkofer, A. Eichhorn, A. Held, C. Nieto, R. Percacci and M. Schroefl "Quark masses and mixings in minimally parameterized UV completions of the Standard Model"  Ann. of Phys. 421 (2020)
168282 , e-Print: 2003.08401 [hep-ph]

[114] K. Falls, N. Ohta and R. Percacci, "Towards the determination of the dimension of the critical surface in asymptotically safe gravity", Phys. Lett B810 (2020) 135773, e-Print: 2004.04126 [hep-th]
[115] A. Bonanno, A. Eichhorn, H, Gies, J. Pawlowski, R. Percacci, M. Reuter, F. Saueressig, G.P. Vacca, "Critical reflections on asymptotically safe gravity" Front. in Phys. 8 (2020) e-Print: 2004.06810 [gr-qc]
[116] A. Baldazzi, R. Percacci and L. Zambelli, "Functional renormalization and the MSbar scheme", Phys. Rev. D103 (2021) 076026, e-Print: 2105.05788 [hep-th]
[117] A. Baldazzi, R. Percacci and L. Zambelli, "Limit of vanishing regulator in the functional renormalization group", Phys. Rev. D104 (2020) 076012, e-Print: 2009.03255 [hep-th]
[118] R. Ferrero and R. Percacci,, "Dynamical diffeomorphisms" Class. and Quantum Grav. 38 (2020)
115011, e-Print: 2012.04507 [gr-qc]
[119] G. De Brito, O. Melichev, R. Percacci and A.D. Pereira "Can quantum fluctuations differentiate between standard and unimodular gravity?" JHEP 12 (1012) 090, e/print: 2105.13886[gr-qc]
[120] A. Baldazzi, O. Melichev and R. Percacci , "Metric/affine gravity as an effective field theory", Ann. of Phys. 438 (2022) 168757, e-Print: 2112.10193 [gr-qc]

[121] D. Buccio and R. Percacci , "Renormalization group flows btween Gaussian fixed points", JHEP 10 (2022) 113, e-Print: 2207.101596 [gr-qc]

[122] D. Buccio, J. Donoghue and R. Percacci , "Amplitudes and renormalization group techniques: a case study", Phys. Rev, D109 (2024) 045008, e-Print: 2307.00055 [gr-qc]

[123] R. Percacci , "Gravity as a Quantum Field Theory", Symmetry 15 (2023) 499
[124] O. Melichev and R. Percacci , "On the renormalization of Poincare gauge theories", JHEP (2024) , e-Print: 2307.02336 [hep/th]
[125] Y. MIkura, V. Naso and R. Percacci , "Some simple theories of gravity with propagating torsion", e-Print: 2312.10249 [gr-qc]
[126] Y. MIkura, and R. Percacci , "Some simple theories of gravity with propagating nonmetricity", e-Print: 2401.10097 [gr-qc]



Books and contributions to volumes

[B1] R. Percacci, “Geometry of nonlinear field theories”, World Scientific (1986).

[B2] R. Percacci, “Asymptotic Safety”, in “Towards quantum gravity: approaches to a new understanding of space and time”, D. Oriti editor, Cambridge University Press (2009) arXiv:0709.3851 [hep-th]

[B3] R. Percacci, “An introduction to covariant quantum gravity and asymptotic safety", World Scientific (2017)

Conference Proceedings

[P1] R. Percacci; “Role of soldering in gravity theory”, in the Proceedings of the XIII DGM Conference, held in Shumen, Bulgaria, in August 1984; World Scientific (1986).

[P2] L. Dąbrowski, R. Percacci; “Modular transformations of spin structures on surfaces with boundary”, in the proceedings of the ``VII Convegno Nazionale di Relatività Generale”, held in Rapallo, Italy, in September 1986; World Scientific (1987).

[P3] R. Percacci; “Generalized Levi-Civita connections”, in the proceedings of the conference ``Fibre bundles, their use in Physics” , held in Trieste, Italy, April 27--May 1, 1987; eds. J. P. Ezin and A. Verjovski, World Scientific (1988).

[P4] R. Percacci; “Constraint algebra of the four dimensional non-abelian Wess-Zumino-Witten model” in the proceedings of the XVII International Conference on Group Theoretic Methods in Physics, held in St. Adele (Quebec), June 27--July 2, 1988; eds. Y. Saint-Aubin and L. Vinet, World Scientific (1989).

[P5] R. Percacci, “Symmetry algebras of Chern—Simons Quantum Mechanics”, in ``Topological and geometrical methods in Field Theory” ed. Jouko Mickelsson and Osmo Pekonen, (proceedings of the conference held in Turku (Finland), May 26--June 1, 1991), World Scientific (1992).

[P6] R. Percacci, “Why is the metric nondegenerate?”, in the proceedings of the 6th Marcel Grossmann Meeting, Kyoto, Japan, June 23--29, 1991.

[P7] R. Percacci, “An introduction to theta sectors and instantons”, in the proceedings of the 1991 Summer School in High Energy Physics and Cosmology, ed. E. Gava, K. Narain, S. Randjbar-Daemi, E. Sezgin and Q. Shafi, World Scientific (1992).

[P8] R. Percacci, “Unified theory in four dimensions”, in the proceedings of the Journees Relativistes held in Amsterdam, 13--15 May 1992, Class. and Quantum Grav. 10, S245 (1993).

[P9] R. Percacci, “The Effective Potential for the conformal factor in the Standard Model and beyond”, Santa Barbara August 1993, Santa Barbara PRINT-93-0603, hep-th/9308031

[P10] R. Percacci, “The Mean Field Approximation in Quantum Gravity”, in the proceedings of the X Italian Conference on Geaneral Relativity and Gravitational Physics, held in Bardonecchia (Torino), September 1--5, 1992.

[P11] R. Floreanini and R.Percacci, “A multiplicative background field method”, in ``Gravitation theory and Geometric methods in Field Theory”, volume in honour of D. Ivanenko's 90th jubilee, ed. V. Koloskov, Moscow (1994).

[P12] R. Percacci,  Some applications of the renormalization group involving gravity”, Nucl. Phys.  B (Proc. Suppl.) 57, 212 (1997)

[P13] R.Percacci and E. Sezgin, “Properties of gauged sigma models”, Contributed to Richard Arnowitt Fest: A Symposium on Supersymmetry and Gravitation, College Station, TX, 5-7 Apr 1998; Published in ``College Station 1998, Relativity, particle physics and cosmology”, 255-278  hep-th/9810183

[P14] Luca Carbone, Fabrizio Coccetti, Paolo Dini, Roberto Percacci, Alessandro Vespignani, “The Spectrum of Internet Performance”, PAM 2003, April 6-8 2003, La Jolla, CA (refereed proceedings)  (http://www.pam2003.org/)

[P15]  R. Percacci, “Towards a quantum field theory of gravity”, Proceedings of the XVII SIGRAV Conference, Turin, September 4--7, 2006. http://www.sigrav.org

[P16] R. Percacci “Asymptotic safety in gravity and sigma models”, PI-PARTPHYS-149, Talk given at International Workshop on Continuum and Lattice Approaches to Quantum Gravity, Brighton, United Kingdom, 17-19 Sep 08. Published in PoS (CLAQG08) 002  arXiv:0910.4951[hep-th]

[P17] R. Percacci “Gravity from a Particle Physicists' perspective”, PI-PARTPHYS-156 Lectures given at the Fifth International School on Field Theory and Gravitation, Cuiaba, Brazil April 20-24 2009. Published in PoS (ISFTG) 011 arXiv:0910.5167 [hep-th]

[P18] G. Narain and R. Percacci, “On the scheme dependence of gravitational beta functions”, Proceedings of the 49-th Cracow School of Theoretical Physics, "Non-perturbative Gravity and Quantum Chromodynamics", May 31-June 10, 2009, Acta Physica Polonica B 40, n.12, p. 3439 (2009) arXiv:0910.5390 [hep-th]
[P19] R. Percacci, “A short introduction to asymptotic safety”, in the proceedings of the conference "Time and matter", Budva, Montenegro, October 2010  arXiv:1110.6389 [hep-th]
[P20] D.F. Litim, R. Percacci and L. Rachwal, “Running of Planck mass and Higgs VEV in holographic vs. 4 dimensional RG”, J. Phys. Conf. Ser. 343 012098 (2012)
[P21] R. Percacci and L. Rachwal, “Nonperturbative effects in the dynamics of Goldstone bosons at high energy”, in the proceedings of the Workshop on Fields and Strings: Theory - Cosmology - Phenomenology, Corfu, September 14 - 18, 2011
[P22] R. Percacci and L. Rachwal, "Asymptotic safety vs. classicalization in Goldstone boson dynamics", 22 pp. PoS CORFU2011 (2011) 100
[P23] P. Dona', A. Eichhorn and R. Percacci, "Consistency of matter models with asymptotically safe quantum gravity ", in the proceedings of Theory Canada 9,  arXiv:1410.4411 [hep-th]
[P24] R. Percacci and L. Rachwal, "Holographic RG flows for gravitational couplings", Fortsch.Phys. 62 (2014) 887-891, proceedings of the 13th Hellenic School and Workshops on Elementary Particle Physics and Gravity : Workshop on Noncommutative Field Theory and Gravity.
[P25] P. Dona', A. Eichhorn and R. Percacci, "Consistency of matter models with asymptotically safe quantum gravity", Can. J. of Phys. 93, 988-994 (2015) . arXiv:1410.4411 [hep-th]

[P26] L. Rachwal, A. Codello, R. Percacci, "One-Loop Effective Action in Quantum Gravitation", Springer Proc.Phys. 170 (2016) 395-400

[P27] R. Percacci "Towards Metric-Affine Quantum Gravity", Proceedings of PAFT2019, to appear in International Journal of Geometric Methods in Modern Physics, e-Print: 2003.09486 [gr-qc]