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
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