942 research outputs found
Sermones panegíricos predicados en festiuidades de varios santos
No full textSign.: [calderón]-2[calderón], 3[calderón], A, B, A, B, A-Z, 2A-2E, 2F, 2G-2I, 2KTexto a dúas colPort. con grav. xi
Consideraciones sobre los Euangelios de los santos que con mayor solemnidad celebra la Iglesia : con vn breue paraphrasis y explicacion de las letras de los Euangelios
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Conspiracao universal : combatem os vete vicios matadores com as sete virtudes contrarias sobre a posse da alma... : vai ordenada ena dezenove discursos predicaveis...
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Eastern Europe's experience with banking reform : is there a role for banks in the transition?
No full textAre there lessons to be learned about how Eastern European countries have dealt with problems in their banking systems? What role have these countries assigned to banks during the transition? How have they used banks in dealing with the enterprise problem? The author addresses these questions by analyzing experience in Bulgaria, Hungary, Poland, Romania, and the former Czech and Slovak Federal Republic. Most of these countries have made substantial progress in restructuring their banking systems, but few have used their banking systems to improve the allocation of credit and hence stimulate the supply response. The author finds the following. The problem is not whether banks hold nonperforming loans but how banks can avoid accumulating more nonperforming loans. The underlying problem is how to close loss-making and nonviable enterprises. The countries that have encouraged the establishment of new private banks, that have introduced regulation and supervision, and that have tried to make banks more competitive have been more successful at improving the allocation of credit and achieving more control over loss-making enterprises. Banks must focus on assessing risk - and for this, capital, private ownership, and adequate regulation are crucial. How quickly banks achieve independence in credit decisions depends on how fast new governance structures can be introduced. In this, the five countries have been less successful. The objectives of bank recapitulation should be to prevent banks from accumulating more nonperforming loans (that is, dealing with the enterprise problem) and to give them the governance structure that would prevent them from incurring new nonperforming loans. This requires introducing a system of risk and reward - by making banks comply with capital adequacy requirements, by privatizing a critical number of banks, and by introducing strong regulation and supervision. Government should see that banks provide efficient payment systems, the basis for trust in banking systems. Introducing adequate regulation and supervision has been difficult as it requires knowing what the banks'role should be. Evidence strongly supports the need to recapitalize and privatize a critical number of banks. Authorities cannot rely on banks to exert control on enterprises early in the transition. In the early stages, control over state-owned enterprises should be exercised by a semipublic institution.Banks&Banking Reform,Financial Intermediation,Financial Crisis Management&Restructuring,Municipal Financial Management,Banking Law
New matrix partial order based spectrally orthogonal matrix decomposition
No full text[EN] We investigate partial orders on the set of complex square matrices and introduce a new order relation based on spectrally orthogonal matrix decompositions. We also establish the relation of this concept with the known orders.The research of the first author was supported by the Grants [grant number RFBR-15-01-01132], [grant number MD-962.2014.1]. The second and third authors have been partially supported by Ministerio de Economia y Competitividad from Spain, DGI [grant number MTM2013-43678-P].Guterman, A.; Herrero Debón, A.; Thome, N. (2016). New matrix partial order based spectrally orthogonal matrix decomposition. Linear and Multilinear Algebra. 64(3):362-374. https://doi.org/10.1080/03081087.2015.1041365S362374643Meyer, C. (2000). Matrix Analysis and Applied Linear Algebra. doi:10.1137/1.9780898719512Mitra, S. K., & Bhimasankaram, P. (2010). MATRIX PARTIAL ORDERS, SHORTED OPERATORS AND APPLICATIONS. SERIES IN ALGEBRA. doi:10.1142/9789812838452Baksalary, O. M., & Trenkler, G. (2010). Core inverse of matrices. Linear and Multilinear Algebra, 58(6), 681-697. doi:10.1080/03081080902778222Baksalary, O. M., & Trenkler, G. (2014). On a generalized core inverse. Applied Mathematics and Computation, 236, 450-457. doi:10.1016/j.amc.2014.03.048Hernández, A., Lattanzi, M., Thome, N., & Urquiza, F. (2012). The star partial order and the eigenprojection at 0 on EP matrices. Applied Mathematics and Computation, 218(21), 10669-10678. doi:10.1016/j.amc.2012.04.034Hernández, A., Lattanzi, M., & Thome, N. (2013). On a partial order defined by the weighted Moore–Penrose inverse. Applied Mathematics and Computation, 219(14), 7310-7318. doi:10.1016/j.amc.2013.02.010Hernández, A., Lattanzi, M., & Thome, N. (2015). Weighted binary relations involving the Drazin inverse. Applied Mathematics and Computation, 253, 215-223. doi:10.1016/j.amc.2014.12.102Lebtahi, L., Patrício, P., & Thome, N. (2013). The diamond partial order in rings. Linear and Multilinear Algebra, 62(3), 386-395. doi:10.1080/03081087.2013.779272Malik, S. B., Rueda, L., & Thome, N. (2013). Further properties on the core partial order and other matrix partial orders. Linear and Multilinear Algebra, 62(12), 1629-1648. doi:10.1080/03081087.2013.839676Rakić, D. S., & Djordjević, D. S. (2012). Space pre-order and minus partial order for operators on Banach spaces. Aequationes mathematicae, 85(3), 429-448. doi:10.1007/s00010-012-0133-2Nambooripad, K. S. S. (1980). The natural partial order on a regular semigroup. Proceedings of the Edinburgh Mathematical Society, 23(3), 249-260. doi:10.1017/s0013091500003801Mitra, S. K. (1987). On group inverses and the sharp order. Linear Algebra and its Applications, 92, 17-37. doi:10.1016/0024-3795(87)90248-
Nilpotent matrices and the minus partial order
No full text[EN] In this paper, {1}-inverses of a nilpotent matrix as well as matrices above a given nilpotent matrix under the minus partial order are characterized.This paper was partially supported by Universidad Nacional de La Pampa, Facultad de Ingenieria (Grant Resol. No 155/14). The third author was partially supported by Ministerio de Economia y Competitividad of Spain (Grant number DGI MTM2013-43678-P and Grant Red de Excelencia MTM2015-68805-REDT).Gareis, MI.; Lattanzi, M.; Thome, N. (2017). Nilpotent matrices and the minus partial order. Quaestiones Mathematicae. 40(4):519-525. https://doi.org/10.2989/16073606.2017.1300612S51952540
A weak group inverse for rectangular matrices
No full text[EN] In this paper, we extend the notion of weak group inverse to rectangular matrices (called WweightedWGinverse) by using the weighted core EP inverse recently investigated. This new generalized inverse also generalizes the well-known weighted group inverse given by Cline and Greville. In addition, we give several representations of the W-weighted WG inverse, and derive some characterizations and properties.First author was partially supported by UNRC (Grant PPI 18/C472) and CONICET (Grant PIP 112-201501-00433CO). Third author was partially supported by Ministerio de Economia, Industria y Competitividad of Spain (Grants DGI MTM2013-43678-P and Red de Excelencia MTM2017-90682-REDT).Ferreyra, DE.; Orquera, V.; Thome, N. (2019). A weak group inverse for rectangular matrices. Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas. 113(4):3727-3740. https://doi.org/10.1007/s13398-019-00674-9S372737401134Ben-Israel, A., Greville, T.N.E.: Generalized Inverses: Theory and Applications, 2nd edn. Springer, New York (2003)Baksalary, O.M., Trenkler, G.: Core inverse of matrices. Linear Multilinear Algebra 58, 681–697 (2010)Baksalary, O.M., Trenkler, G.: On a generalized core inverse. Appl. Math. Comput. 236, 450–457 (2014)Bajodah, A.H.: Servo-constraint generalized inverse dynamics for robot manipulator control design. Int. J. Robot. Autom. 25, (2010). https://doi.org/10.2316/Journal.206.2016.1.206-3291Campbell, S.L., Meyer Jr., C.D.: Generalized Inverses of Linear transformations. SIAM, Philadelphia (2009)Cline, R.E., Greville, T.N.E.: A Drazin inverse for rectangular matrices. Linear Algebra Appl. 29, 53–62 (1980)Dajić, A., Koliha, J.J.: The weighted g-Drazin inverse for operators. J. Aust. Math. Soc. 2, 163–181 (2007)Doty, K.L., Melchiorri, C., Bonivento, C.: A theory of generalized inverses applied to robotics. Int. J. Rob. Res. 12, 1–19 (1993)Drazin, M.P.: Pseudo-inverses in associate rings and semirings. Am. Math. Mon. 65, 506–514 (1958)Ferreyra, D.E., Levis, F.E., Thome, N.: Revisiting of the core EP inverse and its extension to rectangular matrices. Quaest. Math. 41, 265–281 (2018)Ferreyra, D.E., Levis, F.E., Thome, N.: Maximal classes of matrices determining generalized inverses. Appl. Math. Comput. 333, 42–52 (2018)Gigola, S., Lebtahi, L., Thome, N.: The inverse eigenvalue problem for a Hermitian reflexive matrix and the optimization problem. J. Comput. Appl. Math. 291, 449–457 (2016)Hartwig, R.E.: The weighted ∗ -core-nilpotent decomposition. Linear Algebra Appl. 211, 101–111 (1994)Kirkland, S.J., Neumann, M.: Group inverses of M-matrices and their applications. Chapman and Hall/CRC, London (2013)Malik, S., Thome, N.: On a new generalized inverse for matrices of an arbitrary index. Appl. Math. Comput. 226, 575–580 (2014)Male s ˇ ević, B., Obradović, R., Banjac, B., Jovović, I., Makragić, M.: Application of polynomial texture mapping in process of digitalization of cultural heritage. arXiv:1312.6935 (2013). Accessed 14 June 2018Manjunatha Prasad, K., Mohana, K.S.: Core EP inverse. Linear Multilinear Algebra 62, 792–802 (2014)Mehdipour, M., Salemi, A.: On a new generalized inverse of matrices. Linear Multilinear Algebra 66, 1046–1053 (2018)Meng, L.S.: The DMP inverse for rectangular matrices. Filomat 31, 6015–6019 (2017)Mosić, D.: The CMP inverse for rectangular matrices. Aequaetiones Math. 92, 649–659 (2018)Penrose, R.: A generalized inverse for matrices. Proc. Cambrid. Philos. Soc. 51, 406–413 (1955)Soleimani, F., Stanimirović, P.S., Soleymani, F.: Some matrix iterations for computing generalized inverses and balancing chemical equations. Algorithms 8, 982–998 (2015)Xiao, G.Z., Shen, B.Z., Wu, C.K., Wong, C.S.: Some spectral techniques in coding theory. Discrete Math. 87, 181–186 (1991)Wang, H.: Core-EP decomposition and its applications. Linear Algebra Appl. 508, 289–300 (2016)Wang, H., Chen, J.: Weak group inverse. Open Math. 16, 1218–1232 (2018)Wei, Y.: A characterization for the W -weighted Drazin inverse and a Crammer rule for the W -weighted Drazin inverse solution. Appl. Math. Comput. 125, 303–310 (2002
Grenzgänge. Zu (männlichen) Ausbrüchen aus emotionaler Routine im Romanwerk von Stephan Thome
No full textDer Aufsatz ist zwei Romanen des deutschen Schriftstellers Stephan Thome gewidmet. Den Kristallisationspunkt der teils melancholischen, teils witzig pointierten Narrationen bilden sowohl in Grenzgang (2009) als auch in Fliehkräfte (2012) die verzweifelten, mehr oder minder geglückten Versuche männlicher Protagonisten, sich aus emotionaler Routine zu befreien, die in Zeiten des Abgesangs auf habituelle Männlichkeitsnormen, in unterschiedlicher Ausprägung dem männlichen Subjekt als ein notdürftiger Schutzbau für ‚sein geschundenes Ego‘ dient. Den Ausgangspunkt bilden die soziokulturell angelegten Studien, die die These widerlegen, dass das Spektrum männlicher Emotionen sich auf die Unterdrückung der Gefühle und die Disziplinierung pathologischer Leidenschaften beschränke.The article is devoted to two novels of the German writer Stephen Thome: Grenzgang (2009) and Fliehkräfte (2012). The essential element of those partly melancholic, partly witty narratives are desperate, more or less successful attempts to free the literary heroes from emotional routine which – after the fall of habitual norms of masculinity – manifests itself as a makeshift shelter for the ‚plagued ego‘ of the male subject. The point of departure in relation to those deliberations are sociological and cultural works which debunk the thesis that the spectrum of male emotions limits itself to suppressing emotions as well as to disciplining pathological desires.Artykuł poświęcony jest dwóm powieściom niemieckiego pisarza Stephana Thome: Grenzgang (2009) oraz Fliehkräfte (2012). Punktem ciężkości tych po części melancholijnych, po części dowcipnych narracji są desperackie, mniej lub bardziej udane próby uwolnienia się bohaterów z emocjonalnej rutyny, która po upadku habitualnych norm męskości przejawia się jako prowizoryczny schron dla ‚udręczonego ego‘ męskiego podmiotu. Punktem wyjścia rozważań są prace socjologiczne i kulturoznawcze, które obalają tezę, jakoby spektrum męskich emocji ograniczało się do tłumienia uczuć i dyscyplinowania patologicznych namiętności.
 
On a new generalized inverse for matrices of an arbitrary index
No full text[EN] The purpose of this paper is to introduce a new generalized inverse, called DMP inverse, associated with a square complex matrix using its Drazin and Moore-Penrose inverses. DMP inverse extends the notion of core inverse, introduced by Baksalary and Trenkler for matrices of index at most 1 in (Baksalary and Trenkler (2010) [1]) to matrices of an arbitrary index. DMP inverses are analyzed from both algebraic as well as geometrical approaches establishing the equivalence between them. (C) 2013 Elsevier Inc. All rights reserved.This author was partially supported by Ministry of Education of Spain (Grant DGI MTM2010-18228).Malik, SB.; Thome, N. (2014). On a new generalized inverse for matrices of an arbitrary index. Applied Mathematics and Computation. 226:575-580. doi:10.1016/j.amc.2013.10.060S57558022
Summula Caietana Reuer¯edissimi domini Thome de Vio caietani ... Summula nuperrime castigata vna cum noui testamenti Jentaculis.
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