Results 31 to 40 of about 180,475 (263)

F^ω-injectors of finite groups [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика
Only finite groups and classes of finite groups are considered. $\frak F$-injectors (B. Fischer, W. Gaschutz, B. Hartley, 1967) and $\frak F$-projectors (W.
Sorokina, Marina M., Novikova, Diana G.
doaj   +1 more source

OMI total bromine monoxide (OMBRO) data product: algorithm, retrieval and measurement comparisons [PDF]

open access: yesAtmospheric Measurement Techniques, 2019
This paper presents the retrieval algorithm for the operational Ozone Monitoring Instrument (OMI) total bromine monoxide (BrO) data product (OMBRO) developed at the Smithsonian Astrophysical Observatory (SAO) and shows comparisons with correlative ...
R. M. Suleiman   +6 more
doaj   +1 more source

Fitting classes and lattice formations II [PDF]

open access: yesJournal of the Australian Mathematical Society, 2004
AbstractGiven a lattice formation F of full characteristic, an F - Fitting class is a Fitting class with stronger closure properties involving F -subnormal subgroups. The main aim of this paper is to prove that the associated injectors possess a good behaviour with respect to F -subnormal subgroups.
Arroyo-Jordá, M., Pérez-Ramos, M. D.
openaire   +2 more sources

Quasispecies on Class-Dependent Fitness Landscapes [PDF]

open access: yesBulletin of Mathematical Biology, 2016
We study Eigen's quasispecies model in the asymptotic regime where the length of the genotypes goes to infinity and the mutation probability goes to 0. We give several explicit formulas for the stationary solutions of the limiting system of differential equations.
Cerf, Raphaël, Dalmau, Joseba
openaire   +4 more sources

Il paesaggio del futuro. Temi di responsabilità

open access: yesRi-vista: Ricerche per la Progettazione del Paesaggio, 2015
Landscape is a process. Under a strictly functional profile, landscape is a translation and exchanging process between material, energy and information. Landscape is also an evolution and fitting process, being a dissipating and fitting system. Landscape
Valerio Romani
doaj   +1 more source

Neutral temperature and atmospheric water vapour retrieval from spectral fitting of auroral and airglow emissions [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2018
We have developed a spectral fitting method to retrieve upper atmospheric parameters at multiple altitudes simultaneously during times of aurora, allowing us to measure neutral temperatures and column densities of water vapour.
J. M. Chadney, D. K. Whiter
doaj   +1 more source

On Fitting classes that are Schunck classes [PDF]

open access: yesJournal of the Australian Mathematical Society. Series A. Pure Mathematics and Statistics, 1981
AbstractAn example is given to show that a class of finite soluble groups that is both a Fitting class and a Schunck class need not be a formation. The novel feature of this class is that it is defined by imposing conditions on complemented chief factors of groups in it: this technique usually does not give rise to Fitting classes that are not ...
openaire   +2 more sources

Normal -Fitting classes [PDF]

open access: yesProceedings of the Edinburgh Mathematical Society, 1992
The authors together with M. J. Karbe [Ill. J. Math.33 (1989) 333–359] have considered Fitting classesof-groups and, under some rather strong restrictions, obtained an existence and conjugacy theorem for-injectors. Results of Menegazzo and Newell show that these restrictions are, in fact, necessary.The Fitting classisnormalif, for eachis the unique ...
J. C. Beidleman, M. J. Tomkinson
openaire   +1 more source

Evaluate the impact of power-law scattering amplitude fitting on dual-polarization radar data assimilation – summertime cases study [PDF]

open access: yesAtmospheric Measurement Techniques
Different configurations within the observation operator cause dual-polarization radar parameters to exhibit various characteristics, which affect the structure of background error covariance as well as the results of data assimilation. Through real case
K.-S. Chung   +6 more
doaj   +1 more source

An IBBCEAS system for atmospheric measurements of glyoxal and methylglyoxal in the presence of high NO2 concentrations [PDF]

open access: yesAtmospheric Measurement Techniques, 2019
A system based on incoherent broadband cavity-enhanced absorption spectroscopy (IBBCEAS) has been developed for simultaneous measurement of nitrogen dioxide (NO2), glyoxal (GLY), and methylglyoxal (MGLY).
J. Liu   +17 more
doaj   +1 more source

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