Gómez, Andrés; Martín-Ruiz, A.; Urrutia, Luis F. Effective electromagnetic actions for Lorentz violating theories exhibiting the axial anomaly. (English) Zbl 1496.81089 Phys. Lett., B 829, Article ID 137043, 7 p. (2022). MSC: 81T55 81T12 81V10 81T28 22E43 81T50 81V74 PDFBibTeX XMLCite \textit{A. Gómez} et al., Phys. Lett., B 829, Article ID 137043, 7 p. (2022; Zbl 1496.81089) Full Text: DOI arXiv
Martín-Ruiz, A.; Urrutia, L. F. Gravitational waves propagation in nondynamical Chern-Simons gravity. (English) Zbl 1431.83042 Int. J. Mod. Phys. D 26, No. 13, Article ID 1750148, 30 p. (2017). MSC: 83C35 58J28 83D05 PDFBibTeX XMLCite \textit{A. Martín-Ruiz} and \textit{L. F. Urrutia}, Int. J. Mod. Phys. D 26, No. 13, Article ID 1750148, 30 p. (2017; Zbl 1431.83042) Full Text: DOI arXiv
Escobar, C. A.; Urrutia, L. F. Extended Nambu models: their relation to gauge theories. (English) Zbl 1366.81229 Int. J. Mod. Phys. A 32, No. 14, Article ID 1750077, 36 p. (2017). MSC: 81T13 81T10 PDFBibTeX XMLCite \textit{C. A. Escobar} and \textit{L. F. Urrutia}, Int. J. Mod. Phys. A 32, No. 14, Article ID 1750077, 36 p. (2017; Zbl 1366.81229) Full Text: DOI arXiv
Reyes, Carlos M.; Urrutia, Luis F. Lorentz-invariance violation with higher-order operators. (English) Zbl 1365.81147 Kostelecký, V. Alan (ed.), Proceedings of the 7th meeting on CPT and Lorentz symmetry, Bloomington, IN, USA, June 20–24, 2016. Hackensack, NJ: World Scientific (ISBN 978-981-3148-49-9/hbk; 978-981-3148-51-2/ebook). 244-246 (2017). MSC: 81V25 81R05 PDFBibTeX XMLCite \textit{C. M. Reyes} and \textit{L. F. Urrutia}, in: Proceedings of the 7th meeting on CPT and Lorentz symmetry, Bloomington, IN, USA, June 20--24, 2016. Hackensack, NJ: World Scientific. 244--246 (2017; Zbl 1365.81147) Full Text: DOI arXiv
Urrutia, L. F. Emergence of gauge invariance from Nambu models. (English) Zbl 1365.81138 Kostelecký, V. Alan (ed.), Proceedings of the 7th meeting on CPT and Lorentz symmetry, Bloomington, IN, USA, June 20–24, 2016. Hackensack, NJ: World Scientific (ISBN 978-981-3148-49-9/hbk; 978-981-3148-51-2/ebook). 109-112 (2017). MSC: 81V22 81R40 PDFBibTeX XMLCite \textit{L. F. Urrutia}, in: Proceedings of the 7th meeting on CPT and Lorentz symmetry, Bloomington, IN, USA, June 20--24, 2016. Hackensack, NJ: World Scientific. 109--112 (2017; Zbl 1365.81138) Full Text: DOI arXiv
Goudon, Thierry; Urrutia, Luis Analysis of kinetic and macroscopic models of pursuit-evasion dynamics. (English) Zbl 1354.92061 Commun. Math. Sci. 14, No. 8, 2253-2286 (2016). MSC: 92D25 74A25 PDFBibTeX XMLCite \textit{T. Goudon} and \textit{L. Urrutia}, Commun. Math. Sci. 14, No. 8, 2253--2286 (2016; Zbl 1354.92061) Full Text: DOI
Bellouquid, Abdel; Nieto, Juanjo; Urrutia, Luis About the kinetic description of fractional diffusion equations modeling chemotaxis. (English) Zbl 1333.35298 Math. Models Methods Appl. Sci. 26, No. 2, 249-268 (2016). MSC: 35Q92 92C17 35K55 35R11 35B40 PDFBibTeX XMLCite \textit{A. Bellouquid} et al., Math. Models Methods Appl. Sci. 26, No. 2, 249--268 (2016; Zbl 1333.35298) Full Text: DOI
Nieto, J.; Urrutia, L. A multiscale model of cell mobility: from a kinetic to a hydrodynamic description. (English) Zbl 1354.92010 J. Math. Anal. Appl. 433, No. 2, 1055-1071 (2016). MSC: 92C17 35Q92 35K55 PDFBibTeX XMLCite \textit{J. Nieto} and \textit{L. Urrutia}, J. Math. Anal. Appl. 433, No. 2, 1055--1071 (2016; Zbl 1354.92010) Full Text: DOI arXiv
Bellouquid, A.; Nieto, J.; Urrutia, L. Global existence and asymptotic stability near equilibrium for the relativistic BGK model. (English) Zbl 1309.35169 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 114, 87-104 (2015). MSC: 35Q75 35Q35 35A01 35B35 35Q20 PDFBibTeX XMLCite \textit{A. Bellouquid} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 114, 87--104 (2015; Zbl 1309.35169) Full Text: DOI
Escobar, C. A.; Urrutia, L. F. Invariants of the electromagnetic field. (English) Zbl 1290.78002 J. Math. Phys. 55, No. 3, 032902, 6 p. (2014). MSC: 78A25 PDFBibTeX XMLCite \textit{C. A. Escobar} and \textit{L. F. Urrutia}, J. Math. Phys. 55, No. 3, 032902, 6 p. (2014; Zbl 1290.78002) Full Text: DOI arXiv
Martínez, S. A.; Montemayor, R.; Urrutia, L. F. Perturbative Hamiltonian constraints for higher-order theories. (English) Zbl 1247.81429 Int. J. Mod. Phys. A 26, No. 26, 4661-4686 (2011). MSC: 81T40 81Q05 70H05 81Q15 81T15 PDFBibTeX XMLCite \textit{S. A. Martínez} et al., Int. J. Mod. Phys. A 26, No. 26, 4661--4686 (2011; Zbl 1247.81429) Full Text: DOI arXiv
Cambiaso, M.; Urrutia, L. F. Slowly rotating Kerr black hole as a solution of Einstein-Cartan gravity extended by a Chern-Simons term. (English) Zbl 1237.83023 Kostelecký, V. Alan (ed.), CPT and Lorenz symmetry. Proceedings of the 5th meeting, Bloomington, IN, USA, 28 June – 2 July 2010. Hackensack, NJ: World Scientific (ISBN 978-981-4327-67-1/hbk; 978-981-4327-68-8/ebook). 219-223 (2011). MSC: 83C57 PDFBibTeX XMLCite \textit{M. Cambiaso} and \textit{L. F. Urrutia}, in: CPT and Lorenz symmetry. Proceedings of the 5th meeting, Bloomington, IN, USA, 28 June -- 2 July 2010. Hackensack, NJ: World Scientific. 219--223 (2011; Zbl 1237.83023) Full Text: arXiv Link
Urrutia, L. F. Spontaneous Lorentz symmetry breaking in nonlinear electrodynamics. (English) Zbl 1241.78040 Kostelecký, V. Alan (ed.), CPT and Lorenz symmetry. Proceedings of the 5th meeting, Bloomington, IN, USA, 28 June – 2 July 2010. Hackensack, NJ: World Scientific (ISBN 978-981-4327-67-1/hbk; 978-981-4327-68-8/ebook). 25-29 (2011). MSC: 78A60 81R40 PDFBibTeX XMLCite \textit{L. F. Urrutia}, in: CPT and Lorenz symmetry. Proceedings of the 5th meeting, Bloomington, IN, USA, 28 June -- 2 July 2010. Hackensack, NJ: World Scientific. 25--29 (2011; Zbl 1241.78040) Full Text: arXiv Link
Déctor, A.; Morales-Técotl, H. A.; Urrutia, L. F.; Vergara, J. D. An alternative canonical approach to the ghost problem in a complexified extension of the Pais-Uhlenbeck oscillator. (English) Zbl 1208.81111 SIGMA, Symmetry Integrability Geom. Methods Appl. 5, Paper 053, 22 p. (2009). MSC: 81R12 70H15 37J15 PDFBibTeX XMLCite \textit{A. Déctor} et al., SIGMA, Symmetry Integrability Geom. Methods Appl. 5, Paper 053, 22 p. (2009; Zbl 1208.81111) Full Text: DOI arXiv EuDML
González, B.; Khoudeir, A.; Montemayor, R.; Urrutia, L. F. Duality for massive spin two theories in arbitrary dimensions. (English) Zbl 1245.81090 J. High Energy Phys. 2008, No. 9, Paper No. 058, 21 p. (2008). MSC: 81T13 PDFBibTeX XMLCite \textit{B. González} et al., J. High Energy Phys. 2008, No. 9, Paper No. 058, 21 p. (2008; Zbl 1245.81090) Full Text: DOI arXiv
Reyes, C. M.; Urrutia, L.; Vergara, J. D. The scalar sector in the Myers-Pospelov model. (English) Zbl 1183.83009 Macías, Alfredo (ed.) et al., Recent developments in gravitation and cosmology. 3rd Mexican meeting on mathematical and experimental physics, México City, México, 10–14 September 2007. Proceedings. Melville, NY: American Institute of Physics (AIP) (ISBN 978-0-7354-0496-0/hbk). AIP Conference Proceedings 977, 214-223 (2008). MSC: 83A05 81T20 83C47 PDFBibTeX XMLCite \textit{C. M. Reyes} et al., AIP Conf. Proc. 977, 214--223 (2008; Zbl 1183.83009) Full Text: arXiv
Montemayor, R.; Urrutia, Luis F. Phenomenological description of quantum gravity inspired modified classical electrodynamics. (English) Zbl 1181.83082 Gen. Relativ. Gravitation 39, No. 8, 1157-1174 (2007). MSC: 83C45 83C50 PDFBibTeX XMLCite \textit{R. Montemayor} and \textit{L. F. Urrutia}, Gen. Relativ. Gravitation 39, No. 8, 1157--1174 (2007; Zbl 1181.83082) Full Text: DOI arXiv Link
Urrutia, L. F. Corrections to flat-space particle dynamics arising from space granularity. (English) Zbl 1151.83302 Ehlers, Jürgen (ed.) et al., Special relativity. Will it survive the next 101 years? Papers based on the presentations at the 271st WE-Heraeus seminar on special relativity, Potsdam, Germany, February 13–18, 2005. Berlin: Springer (ISBN 3-540-34522-1/hbk). Lecture Notes in Physics 702, 299-345 (2006). MSC: 83A05 83C10 PDFBibTeX XMLCite \textit{L. F. Urrutia}, Lect. Notes Phys. 702, 299--345 (2006; Zbl 1151.83302) Full Text: DOI arXiv
Alfaro, J.; Morales-Técotl, H. A.; Reyes, M.; Urrutia, L. F. On non-Abelian holonomies. (English) Zbl 1043.83015 J. Phys. A, Math. Gen. 36, No. 48, 12097-12107 (2003). MSC: 83C45 53C29 PDFBibTeX XMLCite \textit{J. Alfaro} et al., J. Phys. A, Math. Gen. 36, No. 48, 12097--12107 (2003; Zbl 1043.83015) Full Text: DOI arXiv Link
Urrutia, Luis Quantum gravity corrections to particle interactions. (English) Zbl 1083.83521 Mod. Phys. Lett. A 17, No. 15-17, 943-954 (2002). MSC: 83C45 83C47 PDFBibTeX XMLCite \textit{L. Urrutia}, Mod. Phys. Lett. A 17, No. 15--17, 943--954 (2002; Zbl 1083.83521) Full Text: DOI arXiv
Casini, H.; Montemayor, R.; Urrutia, L. F. Dual theories for mixed symmetry fields. Spin-two case: \((1,1)\) versus \((2,1)\) Young symmetry type fields. (English) Zbl 0977.81159 Phys. Lett., B 507, No. 1-4, 336-344 (2001). MSC: 81T99 PDFBibTeX XMLCite \textit{H. Casini} et al., Phys. Lett., B 507, No. 1--4, 336--344 (2001; Zbl 0977.81159) Full Text: DOI arXiv
Burgio, G.; De Pietri, R.; Morales-Técotl, H. A.; Urrutia, L. F.; Vergara, J. D. The basis of the physical Hilbert space of lattice gauge theories. (English) Zbl 0951.81023 Nucl. Phys., B 566, No. 3, 547-561 (2000). MSC: 81T25 81T13 81T05 PDFBibTeX XMLCite \textit{G. Burgio} et al., Nucl. Phys., B 566, No. 3, 547--561 (2000; Zbl 0951.81023) Full Text: DOI arXiv
Montesinos, Merced; Morales-Técotl, Hugo A.; Urrutia, Luis F.; Vergara, J. David Real sector of the nonminimally coupled scalar field to self-dual gravity. (English) Zbl 0946.83045 J. Math. Phys. 40, No. 3, 1504-1517 (1999). MSC: 83D05 83C05 PDFBibTeX XMLCite \textit{M. Montesinos} et al., J. Math. Phys. 40, No. 3, 1504--1517 (1999; Zbl 0946.83045) Full Text: DOI arXiv
Montesinos, Merced; Morales-Técotl, Hugo A.; Urrutia, Luis F.; Vergara, J. David Complex canonical gravity and reality constraints. (English) Zbl 0943.83029 Gen. Relativ. Gravitation 31, No. 5, 719-723 (1999). MSC: 83C45 83C05 PDFBibTeX XMLCite \textit{M. Montesinos} et al., Gen. Relativ. Gravitation 31, No. 5, 719--723 (1999; Zbl 0943.83029) Full Text: DOI
Alfaro, Jorge; Medina, Ricardo; Urrutia, Luis F. Orthogonality relations and supercharacter formulas of U\((m| n)\) representations. (English) Zbl 0910.17002 J. Math. Phys. 38, No. 10, 5319-5349 (1997). Reviewer: J.Van der Jeugt (Gent) MSC: 17B10 81R05 PDFBibTeX XMLCite \textit{J. Alfaro} et al., J. Math. Phys. 38, No. 10, 5319--5349 (1997; Zbl 0910.17002) Full Text: DOI arXiv
Morales-Técotl, Hugo A.; Urrutia, Luis F.; Vergara, J. David Reality conditions for Ashtekar variables as Dirac constraints. (English) Zbl 0863.53064 Classical Quantum Gravity 13, No. 11, 2933-2940 (1996). MSC: 53Z05 83C45 PDFBibTeX XMLCite \textit{H. A. Morales-Técotl} et al., Classical Quantum Gravity 13, No. 11, 2933--2940 (1996; Zbl 0863.53064) Full Text: DOI arXiv
Garcia, J. Antonio; Vergara, J. David; Urrutia, Luis F. BRST-BFV quantization and the Schwinger action principle. (English) Zbl 1044.81746 Int. J. Mod. Phys. A 11, No. 15, 2689-2706 (1996). MSC: 81T70 PDFBibTeX XMLCite \textit{J. A. Garcia} et al., Int. J. Mod. Phys. A 11, No. 15, 2689--2706 (1996; Zbl 1044.81746) Full Text: DOI arXiv
Alfaro, J.; Medina, R.; Urrutia, L. F. The Itzykson-Zuber integral for \(\text{U}(m|n)\). (English) Zbl 0948.82504 Atakishiyev, N. M. (ed.) et al., Proceedings of the IV Wigner symposium, Guadalajara, Mexico, August 7-11, 1995. Singapore: World Scientific. 379-382 (1996). MSC: 82B41 81R05 82B44 PDFBibTeX XMLCite \textit{J. Alfaro} et al., in: Proceedings of the IV Wigner symposium, Guadalajara, Mexico, August 7--11, 1995. Singapore: World Scientific. 379--382 (1996; Zbl 0948.82504)
Alfaro, Jorge; Medina, Ricardo; Urrutia, Luis F. The orthogonality relations for the supergroup \(U(m | n)\). (English) Zbl 0873.22009 J. Phys. A, Math. Gen. 28, No. 16, 4581-4588 (1995). Reviewer: I.Mladenov (Sofia) MSC: 22E70 81Q60 15B52 PDFBibTeX XMLCite \textit{J. Alfaro} et al., J. Phys. A, Math. Gen. 28, No. 16, 4581--4588 (1995; Zbl 0873.22009) Full Text: DOI arXiv
Alfaro, Jorge; Medina, Ricardo; Urrutia, Luis F. The Itzykson-Zuber integral for \(U(m| n)\). (English) Zbl 0857.15016 J. Math. Phys. 36, No. 6, 3085-3093 (1995); comment and reply ibid.37, No. 6, 3099-3101 (1996). MSC: 15B52 15A75 22E70 15A90 81V05 81R05 PDFBibTeX XMLCite \textit{J. Alfaro} et al., J. Math. Phys. 36, No. 6, 3085--3093 (1995; Zbl 0857.15016) Full Text: DOI arXiv
Ramírez, C.; Urrutia, L. F. The quantum group realizations of \(3\)-D Chern-Simons theories. (English) Zbl 1022.81587 Mod. Phys. Lett. A 10, No. 1, 39-49 (1995). MSC: 81R50 58Z05 81T13 PDFBibTeX XMLCite \textit{C. Ramírez} and \textit{L. F. Urrutia}, Mod. Phys. Lett. A 10, No. 1, 39--49 (1995; Zbl 1022.81587) Full Text: DOI
Garcia, J. Antonio; Vergara, J. David; Urrutia, Luis F. Quantization with time dependent constraints. (English) Zbl 0897.58019 Arima, A. (ed.) et al., Yamada conference XL. Proceedings of the XXth international colloquium on group theoretical methods in physics, Toyonaka, Japan, July 4-9, 1994. Singapore: World Scientific. 487-490 (1995). MSC: 53D50 PDFBibTeX XMLCite \textit{J. A. Garcia} et al., in: Yamada conference XL. Proceedings of the XXth international colloquium on group theoretical methods in physics, Toyonaka, Japan, July 4-9, 1994. Singapore: World Scientific. 487--490 (1995; Zbl 0897.58019)
Morales, N.; Urrutia, L. F.; Tapia-Recillas, H. The ideal of relations of a nilpotent diagonal matrix. (English) Zbl 0902.15007 Congr. Numerantium 107, 209-222 (1995). Reviewer: Philippe Elbaz-Vincent (Montpellier) MSC: 15B33 15A30 15A24 16S50 PDFBibTeX XMLCite \textit{N. Morales} et al., Congr. Numerantium 107, 209--222 (1995; Zbl 0902.15007)
Ramírez, Cupatitzio; Urrutia, Luis 3D Chern-Simons theories and their relation to quantum groups. (English) Zbl 0845.58068 Keller, Jaime (ed.) et al., Proceedings of the XXIInd international conference on differential geometric methods in theoretical physics, Ixtapa-Zihuatanejo, México, September 20-24, 1993. México: Universidad Nacional Autónoma de México. 79-86 (1994). MSC: 58Z05 81T13 81R50 81T20 PDFBibTeX XMLCite \textit{C. Ramírez} and \textit{L. Urrutia}, in: Proceedings of the XXIIth international conference on differential geometric methods in theoretical physics, Ixtapa-Zihuatanejo, México, September 20-24, 1993. México: Universidad Nacional Autónoma de México. 79--86 (1994; Zbl 0845.58068)
Urrutia, L. F.; Morales, N. The Cayley-Hamilton theorem for supermatrices. (English) Zbl 0834.15026 J. Phys. A, Math. Gen. 27, No. 6, 1981-1997 (1994). MSC: 15A75 15A24 15A90 81T60 83E99 PDFBibTeX XMLCite \textit{L. F. Urrutia} and \textit{N. Morales}, J. Phys. A, Math. Gen. 27, No. 6, 1981--1997 (1994; Zbl 0834.15026) Full Text: DOI arXiv
Urrutia, L. F.; Morales, N. An extension of the Cayley-Hamilton theorem to the case of supermatrices. (English) Zbl 0816.15027 Lett. Math. Phys. 32, No. 3, 211-219 (1994). Reviewer: N.Backhouse (Liverpool) MSC: 15A75 15A90 81T60 83E99 PDFBibTeX XMLCite \textit{L. F. Urrutia} and \textit{N. Morales}, Lett. Math. Phys. 32, No. 3, 211--219 (1994; Zbl 0816.15027) Full Text: DOI arXiv
Berenstein, D. E.; Urrutia, L. F. The equivalence between the Mandelstam and the Cayley-Hamilton identities. (English) Zbl 0802.15005 J. Math. Phys. 35, No. 4, 1922-1930 (1994). Reviewer: P.Narain (Bombay) MSC: 15A24 PDFBibTeX XMLCite \textit{D. E. Berenstein} and \textit{L. F. Urrutia}, J. Math. Phys. 35, No. 4, 1922--1930 (1994; Zbl 0802.15005) Full Text: DOI arXiv
Urrutia, L. F. The relation between the Mandelstam and the Cayley-Hamilton identities: Their extension to the case of supermatrices. (English) Zbl 0972.81599 Letelier, P. S. (ed.) et al., Gravitation: the spacetime structure. Proceedings of the 8th Latin American Symposium on Relativity and Gravitation (SILARG VIII) held in Águas de Lindóia, Brazil, July 25-30, 1993. Singapore: World Scientific Publishing. 400-406 (1994). MSC: 81T13 15A24 PDFBibTeX XMLCite \textit{L. F. Urrutia}, in: Gravitation: the spacetime structure. Proceedings of the 8th Latin American Symposium on Relativity and Gravitation (SILARG VIII) held in Águas de Lindóia, Brazil, July 25--30, 1993. Singapore: World Scientific Publishing. 400--406 (1994; Zbl 0972.81599)
Urrutia, L. F.; Morales, N. The Cayley-Hamilton theorem for supermatrices. (English) Zbl 0777.15006 J. Phys. A, Math. Gen. 26, No. 9, L441-L447 (1993). Reviewer: S.Sridhar (Madras) MSC: 15A24 15A15 PDFBibTeX XMLCite \textit{L. F. Urrutia} and \textit{N. Morales}, J. Phys. A, Math. Gen. 26, No. 9, L441--L447 (1993; Zbl 0777.15006) Full Text: DOI
López-Peña, R.; Urrutia, Luis F.; Zertuche, Federico Realizations for \(\mathrm{SU}(2)_q\) and \(\mathrm{SU}(1,1)_q\) in terms of underlying Lie algebras. (English) Zbl 1291.81192 Rev. Mex. Fís. 38, Suppl. 2, S102-S113 (1992). MSC: 81R50 17B37 PDFBibTeX XMLCite \textit{R. López-Peña} et al., Rev. Mex. Fís. 38, S102--S113 (1992; Zbl 1291.81192)
Urrutia, L. F.; Waelbroeck, H.; Zertuche, F. The algebra of supertraces for \((2+1)\) super de Sitter gravity. (English) Zbl 1021.81926 Mod. Phys. Lett. A 7, No. 29, 2715-2721 (1992). MSC: 81T60 81R10 81R50 PDFBibTeX XMLCite \textit{L. F. Urrutia} et al., Mod. Phys. Lett. A 7, No. 29, 2715--2721 (1992; Zbl 1021.81926) Full Text: DOI
Zertuche, F.; Urrutia, L. F. The algebra of traces for conformal gravity in \(2+1\) dimensions. (English) Zbl 1176.81120 Phys. Lett., B 254, No. 3-4, 424-426 (1991). MSC: 81T40 17B81 81R10 PDFBibTeX XMLCite \textit{F. Zertuche} and \textit{L. F. Urrutia}, Phys. Lett., B 254, No. 3--4, 424--426 (1991; Zbl 1176.81120) Full Text: DOI
Zertuche, F.; Urrutia, L. F. The algebra of traces in some Chern-Simons theories. (English) Zbl 0972.81598 D’Olivo, J. C. (ed.) et al., Relativity and gravitation: classical and quantum. Proceedings of the 7th Latin American Symposium (SILARG VII) held in Cocoyoc, Mexico, December 2-8, 1990. Singapore: World Scientific Publishing. 432-436 (1991). MSC: 81T13 81R10 PDFBibTeX XMLCite \textit{F. Zertuche} and \textit{L. F. Urrutia}, in: Relativity and gravitation: classical and quantum. Proceedings of the 7th Latin American Symposium (SILARG VII) held in Cocoyoc, Mexico, December 2--8, 1990. Singapore: World Scientific Publishing. 432--436 (1991; Zbl 0972.81598)
D’Olivo, J. C. (ed.); Nahmad-Achar, E. (ed.); Rosenbaum, M. (ed.); Ryan, M. P. jun. (ed.); Urrutia, L. F. (ed.); Zertuche, F. (ed.) Relativity and gravitation: classical and quantum. Proceedings of the 7th Latin American Symposium (SILARG VII) held in Cocoyoc, Mexico, December 2–8, 1990. (English) Zbl 0972.83502 Singapore: World Scientific Publishing. xvi, 548 p. (1991). MSC: 83-06 00B25 PDFBibTeX XMLCite \textit{J. C. D'Olivo} (ed.) et al., Relativity and gravitation: classical and quantum. Proceedings of the 7th Latin American Symposium (SILARG VII) held in Cocoyoc, Mexico, December 2--8, 1990. Singapore: World Scientific Publishing (1991; Zbl 0972.83502)
Urrutia, L. F.; Zanelli, J. Local supersymmetry in nonrelativistic systems. (English) Zbl 0850.70188 J. Math. Phys. 31, No. 9, 2271-2277 (1990). MSC: 70H33 PDFBibTeX XMLCite \textit{L. F. Urrutia} and \textit{J. Zanelli}, J. Math. Phys. 31, No. 9, 2271--2277 (1990; Zbl 0850.70188) Full Text: DOI
Rosenbaum, M.; Ryan, M.; Urrutia, L. F. Kasner-type cosmological solutions in \(N=1\) supergravity. (English) Zbl 0611.53069 Classical Quantum Gravity 4, 79-87 (1987). MSC: 53B50 83E50 PDFBibTeX XMLCite \textit{M. Rosenbaum} et al., Classical Quantum Gravity 4, 79--87 (1987; Zbl 0611.53069) Full Text: DOI
Rosenbaum, M.; Ryan, M.; Urrutia, L. F.; Matzner, Richard A. Colliding plane waves in \(N=1\) classical supergravity. (English) Zbl 1222.83188 Phys. Rev. D (3) 34, No. 2, 409-415 (1986). MSC: 83E50 PDFBibTeX XMLCite \textit{M. Rosenbaum} et al., Phys. Rev. D (3) 34, No. 2, 409--415 (1986; Zbl 1222.83188) Full Text: DOI
Urrutia, L. F.; Manterola, C. Propagator for anisotropic three-dimensional charged harmonic oscillator in a constant magnetic field using the Schwinger action principle. (English) Zbl 0617.70022 Int. J. Theor. Phys. 25, 75-88 (1986). Reviewer: P.Achuthan MSC: 70H99 81Q99 78A35 81V10 PDFBibTeX XMLCite \textit{L. F. Urrutia} and \textit{C. Manterola}, Int. J. Theor. Phys. 25, 75--88 (1986; Zbl 0617.70022) Full Text: DOI
Aragone, C.; Urrutia, L. Null fermio-dynamics in superspace: Abelian and non-Abelian 3D massive vector fields. (English) Zbl 0602.53063 J. Phys. A 19, 55-65 (1986). Reviewer: M.Maia MSC: 53C80 83E50 81T60 PDFBibTeX XMLCite \textit{C. Aragone} and \textit{L. Urrutia}, J. Phys. A, Math. Gen. 19, 55--65 (1986; Zbl 0602.53063) Full Text: DOI
Bressan, O. (ed.); Castagnino, M. (ed.); Hamity, V. (ed.) [Schutz, B. F.; Ellis, J.; Abbott, L. F.; Audretsch, J.; Gunzig, E.; Bollini, C. G.; Giambiagi, J. J.; Bender, G.; Chimento, L. P.; Bressan, O. J.; Ferraro, R.; Castagnino, M.; Paz, J.; Harari, D.; Aquilano, R.; Figueirido, F. E.; Díaz, M. C.; Gleiser, R. J.; Hacyan, S.; Garciá Lambas, D.; Lamberti, W.; Hamity, V. H.; Núñez, C.; Levinas, M.; Nowotny, E.; Ryan, M. P. jun.; Srivastava, P. P.; D’Olivo, J. C.; Urrutia, L. F.; Zertuche, F.; Zanelli, J.; Oliveira, L. A. R.] Relativity, supersymmetry and cosmology. Proceedings of the 5th Simposio Latino Americano de relatividad y gravitacion - SILARG V (held at Bariloche, Argentina, January 4-11, 1985). (English) Zbl 0641.53076 Singapore: World Scientific. IX, 348 p (1985). MSC: 53C80 53-06 81-06 00B25 83-06 PDFBibTeX XML
Montemayor, R.; Urrutia, L. Classical exact solutions of a two-dimensional supersymmetric model. (English) Zbl 1291.81261 Rev. Mex. Fís. 30, No. 4, 657-673 (1984). MSC: 81T13 81U20 PDFBibTeX XMLCite \textit{R. Montemayor} and \textit{L. Urrutia}, Rev. Mex. Fís. 30, No. 4, 657--673 (1984; Zbl 1291.81261)
Castaños, O. (ed.); Frank, A. (ed.); Urrutia, L. (ed.) Introduction to supersymmetry in particle and nuclear physics. (Proceedings of an International School of Supersymmetry, held December 14-18, 1981, in Mexico City, Mexico). (English) Zbl 0572.17001 New York - London: Plenum Press. VIII, 187 p. $ 29.50 (1984). Reviewer: M.Scheunert MSC: 17A70 00B25 17-06 81-06 22E65 22E70 81T08 83C45 83E99 PDFBibTeX XML
Hojman, Sergio; Urrutia, Luis F. On the inverse problem of the calculus of variations. (English) Zbl 0475.70023 J. Math. Phys. 22, 1896-1903 (1981). MSC: 70H03 37J99 49S05 70G10 PDFBibTeX XMLCite \textit{S. Hojman} and \textit{L. F. Urrutia}, J. Math. Phys. 22, 1896--1903 (1981; Zbl 0475.70023) Full Text: DOI