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Tytuł:
Some results on local fields
Autorzy:
Lbekkouri, Akram
Tematy:
Local fields
local number fields
Wild ramification
intermediate extension
standard p-over-extensions
semi-direct product
inertia group.
Pokaż więcej
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Powiązania:
https://bibliotekanauki.pl/articles/747298.pdf  Link otwiera się w nowym oknie
Opis:
Let K be a local field with finite residue field of characteristic p. This paper is devoted to the study of the maximal abelian extension of K of exponent p-1 and its maximal p-abelian extension, especially the description of their Galois groups in solvable case. Then some properties of local fields in general case are studied too.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On representations of $GL_n(\mathbb{Q}_p)$ in characteristic $p$.
Autorzy:
Szumowicz, Anna
Opis:
In the paper, we will show the classification of irreducible smooth representations of $GL_n(\\mathbb{Q}_{p})$ over $\\overline{\\mathbb{F}}_p}$ following the work of Florian Herzig. The methods we will use in the thesis include changing weights, and the notions of Hecke algebras and Satake isomorphism.
In the paper, we will show the classification of irreducible smooth representations of $GL_n(\mathbb{Q}_{p})$ over $\overline{\mathbb{F}}_p}$ following the work of Florian Herzig. The methods we will use in the thesis include changing weights, and the notions of Hecke algebras and Satake isomorphism.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Izomorfizmy ciał lokalnych i globalnych a izomorfizmy ich absolutnych grup Galois
Isomorphisms of local and global fields and isomorphisms of their absolute Galois groups
Autorzy:
Porowski, Wojciech
Opis:
Twierdzenia Neukircha-Uchidy i twierdzenie Mochizukiego są przykładami wyników opisujących relacje między izomorfizmami ciał a izomorfizmami ich absolutnych grup Galois. Zaprezentujemy dowód uproszczonej wersji pierwszego z tych twierdzeń oraz dowód drugiego, w sposób bardziej szczegółowy niż w oryginalnym artykule Mochizukiego.
Neukirch-Uchida and Mochizuki theorems are examples of results concerning relations between isomorphisms of fields and isomorhisms of their Galois groups. We present proof of a simplified version of the first theorem and a proof of the second one, which is more detailed than in the original article.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Władza lokalna – od „małego państwa” do pola społecznego
LOCAL GOVERNMENT – FROM THE “SMALL STATE” TO THE SOCIAL FIELD
Autorzy:
Nijander-Dudzińska, Agata
Wojakowski, Dariusz
Tematy:
LOCAL GOVERNMENT
LOCAL MANAGEMENT
SOCIAL FIELDS
POWER RELATIONS
LOCAL COMMUNITY
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Wydawca:
Uniwersytet Rzeszowski. Instytut Archeologii Uniwersytetu Rzeszowskiego. Muzeum Okręgowe w Rzeszowie
Powiązania:
https://bibliotekanauki.pl/articles/498033.pdf  Link otwiera się w nowym oknie
Opis:
This article comprises a sketch of the most important perspectives on local government. Among other things, it also aims to present the unique nature of government at the mezzo-social level. Here the concepts of political governing are considered as a social relationship and social resource; proposed, too, is the application of the category of the social field in the analysis of local government. Such social fields are characterized by both relations and resources associated with power when viewed from the standpoint of actions and structures. A separate aspect making itself known in the field of political power is its manifestations and influences.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of the dynamic riveting process of a rivet with and without a compensator
Autorzy:
Szymczyk, E.
Slawinski, G.
Jachimowicz, J.
Derewonko, A.
Tematy:
riveted joint
mushroom rivet
FEM local model
deformation fields
Pokaż więcej
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Powiązania:
https://bibliotekanauki.pl/articles/245374.pdf  Link otwiera się w nowym oknie
Opis:
The paper deals with the analysis of deformation of a rivet hole in a riveted joint after the manual dynamic riveting process. For many years, riveting remains a traditional and the most popular method ofjoining in aircraft structures. The residual stress and strain state appear at the rivet hole after the riveting process, which improves the joint's fatigue behaviour. The local finite element models are made with Patran. The rivet and sheets are described using eight-noded, three-dimensional brick elements. The riveting tools consist of four-noded, two-dimensional shell elements. Numerical FE simulations of the upsetting process are carried out using the Ls-Dyna code. The contact with friction is defined between the collaborating parts of the specimen. The results of simulations of the dynamic riveting process of a mushroom rivet with and without a compensator are compared in this paper. Hole deformation of the upper and lower sheet, squeezing force, as well as deformations of the rivet head are analysed. The influence of the compensator on strain and displacement states is studied. Simulation shows that some technological factors may have positive influence on the residual stress fields. Using the rivet with a compensator results in a better rivet hole filling capability. The rivet hole displacement in upper and lower sheets are at the same level. Paper also present manual dynamic riveting process of reverse and standard riveting procedure and model of riveted specimen.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of the dynamic riveting process of a rivet with and without a compensator
Autorzy:
Szymczyk, E.
Slawinski, G.
Jachimowicz, J.
Derewonko, A.
Tematy:
riveted joint
mushroom rivet
FEM local model
deformation fields
Pokaż więcej
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Powiązania:
https://bibliotekanauki.pl/articles/245575.pdf  Link otwiera się w nowym oknie
Opis:
The paper deals with the analysis of deformation of a rivet hole in a riveted joint after the manual dynamic riveting process. For many years, riveting remains a traditional and the most popular method of joining in aircraft structures. The residual stress and strain state appear at the rivet hole after the riveting process, which improves the joint's fatigue behaviour. The local finite element models are made with Patron. The rivet and sheets are described using eight-noded, three-dimensional brick elements. The riveting tools consist of four-noded, two-dimensional shell elements. Numerical FE simulations of the upsetting process are carried out using the Ls-Dyna code. The contact with friction is defined between the collaborating parts of the specimen. The results of simulations of the dynamic riveting process of a mushroom rivet with and without a compensator are compared in this paper. Hole deformation of the upper and lower sheet, squeezing force, as well as deformations of the rivet head are analysed. The influence of the compensator on strain and displacement states is studied. Simulation shows that some technological factors may have positive influence on the residual stress fields. Using the rivet with a compensator results in a better rivet hole filling capability. The rivet hole displacement in upper and lower sheets are at the same level. Paper also present manual dynamic riveting process ofreverse and standard riveting procedure and model of riveted specimen.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the versal discriminant of $J_{k,0}$ singularities
Autorzy:
Jaworski, Piotr
Tematy:
versal deformation
versal unfolding
moduli
liftable vector fields
local algebra
topological triviality
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Powiązania:
https://bibliotekanauki.pl/articles/1311249.pdf  Link otwiera się w nowym oknie
Opis:
It is well known that the versal deformations of nonsimple singularities depend on moduli. The first step in deeper understanding of this phenomenon is to determine the versal discriminant, which roughly speaking is an obstacle to analytic triviality of an unfolding or deformation along the moduli. The versal discriminant of the Pham singularity ($J_{3,0}$ in Arnold's classification) was thoroughly investigated by J. Damon and A. Galligo [2], [3], [4]. The goal of this paper is to continue their work and to describe the versal discriminant of a general $J_{k,0}$ singularity.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Random analysis of bearing capacity of square footing using the LAS procedure
Autorzy:
Kawa, M.
Puła, W.
Suska, M.
Tematy:
LAS procedure
Local Average Subdivision
random fields theory
square footing
reliability analysis
Pokaż więcej
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:
https://bibliotekanauki.pl/articles/178223.pdf  Link otwiera się w nowym oknie
Opis:
In the present paper, a three-dimensional problem of bearing capacity of square footing on random soil medium is analyzed. The random fields of strength parameters c and φ are generated using LAS procedure (Local Average Subdivision, Fenton and Vanmarcke 1990). The procedure used is re-implemented by the authors in Mathematica environment in order to combine it with commercial program. Since the procedure is still tested the random filed has been assumed as one-dimensional: the strength properties of soil are random in vertical direction only. Individual realizations of bearing capacity boundary-problem with strength parameters of medium defined the above procedure are solved using FLAC3D Software. The analysis is performed for two qualitatively different cases, namely for the purely cohesive and cohesive-frictional soils. For the latter case the friction angle and cohesion have been assumed as independent random variables. For these two cases the random square footing bearing capacity results have been obtained for the range of fluctuation scales from 0.5 m to 10 m. Each time 1000 Monte Carlo realizations have been performed. The obtained results allow not only the mean and variance but also the probability density function to be estimated. An example of application of this function for reliability calculation has been presented in the final part of the paper.
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 15

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