نتایج جستجو برای: kramer
تعداد نتایج: 1927 فیلتر نتایج به سال:
Quasiperiodic patterns described by polyhedral “atomic surfaces” and admitting matching rules are considered. It is shown that the cohomology ring of the continuous hull of such patterns is isomorphic to that of the complement of a torus T to an arrangement A of thickened affine tori of codimension two. Explicit computation of Betti numbers for several two-dimensional tilings and for the icosah...
We apply algebraic and vertex operator techniques to solve two dimensional reduced vacuum Einstein's equations. This leads to explicit expressions for the coefficients of metrics solutions of the vacuum equations as ratios of determinants. No quadratures are left. These formulas rely on the identification of dual pairs of vertex operators corresponding to dual metrics related by the Kramer-Neug...
DEETJEN, P. & KRAMER, K. (1961) Die Abhangigkeit des 0,-Verbrauchs der Niere von der Na-Ruckresorption. Pflugers Arch. Physiol. 273, 636. DUNN, J.S., GILLESPIE, M. & NIVEN, J.S.F. (1941) Renal lesions in two cases of crush syndrome. Lancet, ii, 549. HAMBURGER, J. & MATHE, G. (1952) Metabolisme de 1'Eau. Flammarion, Paris. JOEKES, A.M., MOWBRAY, J.F. & DORMANDY, K. (1957) Oliguria with urine of ...
Currently, the major issue in glycemic control in neurocritical care patients is that tight glycemic control (target range of 80 to 110 mg/dL) using intensive insulin therapy is associated with higher rates of hypoglycemia without an improvement in survival rate. The review by Kramer and colleagues in this issue of Critical Care confirms these data but provides solid evidence about the relation...
Jorg Kramer, Rahul Sarpeshkar and Christof Koch California Institute of Technology Computation and Neural Systems 139-74 Pasadena, CA 91125 phone: (818) 395-2874 fax: (818) 796-8876 e-mail: [email protected] ABSTRACT An integrated circuit that computes the velocity vector of a visual stimulus in one dimension is presented. The circuit combines optical sensors and associated electronics o...
We describe several explicit examples of simple abelian surfaces over real quadratic fields with real multiplication and everywhere good reduction. These examples provide evidence for the Eichler–Shimura conjecture for Hilbert modular forms over a real quadratic field. Several of the examples also support a conjecture of Brumer and Kramer on abelian varieties associated to Siegel modular forms ...
Olivier Leupin 1* , Elke Piters 2* , Christine Halleux 1 , Shouih Hu 1 , Ina Kramer 1 , Frederic Morvan 1 , Tewis Bouwmeester 3,4 , Markus Schirle 5 , Manuel Bueno-Lozano 6 , Feliciano J Ramos Fuentes 6 , Peter H Itin 7 , Eveline Boudin 2 , Fenna de Freitas 2 , Karen Jennes 2 , Barbara Brannetti 8 , Nadine Charara 9 , Hilmar Ebersbach 9 , Sabine Geisse 9 , Chris X. Lu 10 , Andreas Bauer 3,4 , W...
The status of the resummation of small x contributions to the unpolarized and polarized deep inelastic structure functions is reviewed. Lecture notes to appear in the Proceedings of the Ringberg Workshop ”New Trends in HERA Physics 1999”, eds. G. Grindhammer, B. Kniehl, and G. Kramer (Springer, Berlin 1999).
Salen-type mononuclear lanthanide complexes with formula (Et3NH)[Ln(3-NO2-salen)2]·solvent (Ln = Eu (1Eu), Tb (2Tb), Dy (3Dy), Ho (4Ho), Er (5Er), Yb (6Yb); 3-NO2-salen(2-) = N,N'-bis(3-nitro-salicylaldehyde)ethylenediamine dianion) are reported. These compounds are isostructural in which two crystallographically distinct 3-NO2-salen(2-) act as tetradentate ligands encapsulating the lanthanide ...
Tscherne, J. S., Weinstein, I. B., Lanks, K. W., Gersten, N. B. & Cantor, C. R. (1973) Biochemistry 12,3859-3865 vanVenrooij, W. J., Poort, C., Kramer, M. F. & Jansen, M. T. (1972) Eur. J. Biochem. 30, 427-433 vanVenrooij, W. J., Kuijper-Lenstra, A. H. & Kramer, M. F. (1973) Biochim. Biophys. Acta 312, 392-398 Vennegoor, C., Stols, A. & Bloemendal, H. (1972) J. Mol. Biol. 65, 375-378 Waterlow, ...
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