Carlos Segovia Fernandez
Carlos Segovia Fernandez, Spanish-born Argentine mathematician (Valencia, Spain 07 December 1937 – Buenos Aires 03 April 2007) Authored 47 papers Gave relevant contributions to study of classical operators for Laguerre functions With R. Wheeden defined fractional square functions involving fractional derivatives With R.L. Wheeden introduced generalizations of Lusin function adapted to fractional integration study and showed that a multiplication commutator of a f function is regularizer of equal order to differentiability order of f function With R.A. Macías generalized Fefferman-Stein theory for homogenous spaces Eponym of Macías-Segovia metrization theorem CONTRIBUTIONS With R. Testoni. One-sided strongly singular operators (2009) A multiplier theorem for one-sided Hardy spaces. Proc. Royal Soc. Edinburgh Sect. A 139 (1), 2009 With S. Ombrosi & R. Testoni. An interpolation theorem between one-sided Hardy spaces. Ark. Mat. 44(2):335-48, 2006 With R. Macías. Weighted norm estimates for the maximal operator of the Laguerre functions heat diffusion semigroup. Studia Math. 172:149-67, 2006 With A.E. Gatto. Product rule and chain rule estimates for the Hajlasz gradient on doubling metric measures spaces. Colloq. Math. 105 (1):1924, 2006 With R. Macías. Heat-diffusion maximal operators for Laguerre semigroups with negative parameters. J. Funct. Anal. 229(2):300-16, 2005 With L. de Rosa. A substitute of harmonic majorization. Indiana Univ. Math. J. 48:1535-45, 1999 With L. de Rosa. Dual Spaces for one-sided weighted Hardy spaces. Rev. Un. Mat. Argentina 40:49-71, 1997 With E. Harboure & R. Macías. An extrapolation theorem for pairs of weights. Rev. Un. Mat. Argentina 40(3-4):37-48, 1997 With E. Harboure, R. Macías & J.L. Torrea. Some estimates for maximal functions on Kothe function spaces. Israel J. Math. 90:349-71, 1995 With J.L. Torrea. Higher order commutators for vector-valued Calderón-Zygmund operators. Trans. Amer. Math. Soc. 336:537-56, 1993 With R. Macías & J.L. Torrea. Singular integral operators with non-necessarily bounded kernels on spaces of homogeneous type. Adv. Math. 93:25-60, 1992 With J. Garcia Cuerva, E. Harboure & J.L. Torrea. Weighted inequalities for commutators of fractional and singular integrals. Publ. Matem. 35:209-35, 1991 With E. Harboure & R.A. Macías. An extrapolation theorem for pairs of weights. Cuadernos Mat. Mecan. 2:87, 1987 With E. Harboure & R. Macías. A two weight inequality for the fractional integral when p=n/α. Proc. Amer. Math. Soc. 90:555-62, 1984 With R. Macías. A well behaved quasi-distance for spaces of homogeneous type. Trab. Matem. Ser 1 32 (1981) With R. Macías. A decomposition into atoms of distributions on spaces of homogeneous type. Adv. Mathem. 33(3):271-09, 1979 With R. Macías. Weighted norm inequalities for parabolic fractional integrals. Studia Math. 61:279-91, 1977 With R. Macías. A maximal theory for generalized Hardy spaces (1978) With N. Aguilera. Weighted norm inequalities relating the g*λ and the area functions. Studia Math. 61:293-03, 1971 LINKS (bibliography) http://www.fundacionkonex.com.ar/b1739-carlos_segovia_fern%C3%A1ndez
Carlos Segers
Carlos Luis Maria Segers Ríos, Argentine amateur astronomer (Iquique, Tarapacá Chile 08 December 1900 – Buenos Aires Mayo 1967) From Argentine father and Chilean mother Authored Las estrellas variables de periodo largo (1955) Honored in Segers lunar crater
Carlos Rodolfo Schreiter
Carlos Rodolfo Schreiter, German-born Argentine naturalist and archaeologist (Chemnitz 13 August 1885 – Tucumán 30 March 1942) Described Lepidopteran species Rothschildia maurusius 1925 SOME BIBLIOGRAPHY Natural Sciences Notas entomo-biologicas y otras. Acta Zool. Lilloana 7:44, 1943 Estudio fisiografico de la Quebrada del Portugués, departamento de Monteros. Bol. Museo Hist. Nat. Univ. Nac. Tucumán 2(11); 33-5, 1936 Contribución al estudio de los papilionidos del norte argentino y Papilio argentinus Jorg. (nueva especie) (1930) Sphingidae. Estudio sobre las especies tucumanas de esta familia. Bol. Museo Hist. Nat. Univ. Nac. Tucumán 9, 1926 Observaciones biológicas sobre las espécies tucumanas de los gêneros Dysdaemonia, Rothschildia y Copaxa (1925) Estudio preliminar de una colección de plantas procedentes de Tartagal (Departamento de Orán, Salta) 1925 Archaeology Enterratorios indígenas en las grutas de Villavil, Departamento de Belén (Catamarca). Bol. Museo Hist. Nat. Univ. Nac. Tucumán 6:3-8, 1936 Nota preliminar sobre una exploración arqueológica en la Loma de la Florida, Corral Quemado, Departamento de Belén (Catamarca). Bol. Museo Hist. Nat. Univ. Nac. Tucumán (1936) Monumentos megalíticos y pictográficos en los altivalles de la provincia de Tucumán. Bol. Museo Hist. Nat. Univ. Nac. Tucumán 11, 1928 La civilisation de La Candelaria et son extension dans la Province de Tucuman. J. Soc. American. 26:53-64, 1926 Distintas clases de sepulturas antiguas observadas en los Valles Calchaquíes (1919) HONORS Schreiteria Carolin 1985 (Portulacaceae) Schreiteria Melzer 1933 (Coleoptera) Schreiteriana Fletcher 1982 (Lepidoptera)
Carlos María Squirru
Carlos María Squirru, Argentine surgeon (La Plata 22 March 1891 – ?) From Italian descent With E. Finocchietto described mixed inguinal hernia (1917) and developed Squirru-Finocchietto method for repair of inguinal hernia Reported visualization of the biliary tract incidental to injection of lipiodol being the first successful attempt at cholangiography With E.L. Lanari. Roentgenographs of biliary passages. Rev. Asoc. Med. Arg. 37:125, 1924 Eponym of Squirru non-total emasculation
Carlos de Siguenza y Gongora
Carlos de Siguenza y Gongora, Mexican geographer and historian (Ciudad de Mexico 14 August 1645 – Ciudad de Mexico 22 Aug 1700) Authored Libra astronomica y filosofica (1690) regarded as one of the most important works from Latin America in his day Determinated the position of the comet of 1680 being his work highly praised for great astronomers of his day as Flamsteed and Cassini Claimed that comets are wandering stars before Halley Built an instrument for studying Sun eclipses Performed hydrological maps of Mexico Valley (1691) Studied Aztec history and Toltec writing Mapped Pensacola Bay and the mouth of Mississipi River (1693)
Carlos Alberto Sagastume
Carlos Alberto Sagastume, Argentine biochemist (La Plata 21 April 1891 – 13 September 1944) With H. Giovambattista. Tecnica sensible y rapida para determinar la glicosuria. Rev. Fac. Cien. Quimicas 11:7-10, 1936 A new yeast. Anales Asoc. Quim. Argentina 23:440, 1925 With V. Oliva. Perfectionnement à notre dispositif pratique pour doser l’urée dans le sang