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The use of the analytical tools of classic and neo-classic economics has played a significant role in the study of Africa’s economic history since the 1970s. In this paper, we summon this body of work under the paradigm of Smithian growth models. Although different in techniques and approaches, this work shares a use of markets as the organising principle of the study. The aim of this paper is to

Dynamics of spontaneous decay and corresponding emission spectrum areexactly treated for a system of two identical two-level atoms in 1D.Just a one-dimensional case is considered in order to maximally extractan information on mutual influence of spatially remote atoms through theradiation field. As a result, an effect is revealed and considered indetail that there exist stable (metastable) entangl

Solar mean magnetic field (SMMF) measurements from the Wilcox SolarObservatory and with SOHO/MDI are analyzed using continuous wavelettransforms, SMMF variability is found at a number of temporal scales.Detected SMMF variations with a 1-2 year period is considered to belinked to long-term variations in the internal rotation of the Sun.Intermediate SMMF oscillations with a period of 80-200 days are

Description: Python® is a free open-source language and environment that has great potential in scientific computing. Computing with Python presents the programming language in close connection wit mathematical applications. The approach of the book is concept based rather than a systematic introduction to the language. It is written for a mathematical readership and is aimed at students with a ma

This paper is aimed at describing the principles on which are based the current concepts of fire engineering design of steel structures. The first part deals with the design methods for fire safety through the definition of heat exposure and structural models. The second part reviews the state of art in structural fire calculation methods, according to different levelsof assumption.

Popular Abstract in Swedish Mycket av dagens forskning inom astrofysik handlar på ett eller annat sätt om att förstå hur universum i allmänhet och vår galax i synnerhet fungerar. Var och hur har de grundämnen bildats som finns i stjärnor, planeter, gasmoln, på jorden och i våra kroppar? Det dominerande, och framgångsrika, sättet att ta reda på hur avlägsna astronomiska objekt ser ut och är uppbyggEta Carinae is one of the most massive and luminous stars in the Galaxy. A huge bipolar nebula and an equatorial disk give the object a characteristic shape. Close to the star there are gas clouds, which emit intriguing emission line spectra. One such region, the strontium filament, is studied in more detail in this thesis, and the identities of 600 emission lines are reported. Some of these requi

The authors sought to non-invasively defect changes in atrial fibrillation rhythm during autonomic provocative maneuvers. Digital Holter from 23 patients with chronic AF before and after active postural change were subjected to routine editing, and then underwent QRS and T wave subtraction, leaving pure atrial fibrillatory records. Spectral analysis by autoregressive method was performed on this r

A suturing including knot tying is one of the more difficult operations to learn in telesurgical systems. Apprentice surgeons commonly suffer from suture breakage or knot failure. The difficulty, generally, comes from the absence of feedback of interaction force cues in a medical device (e.g., a needle and a thread) . Even if there is haptic feedback to the operator, the operator may have a diffic

This book takes up three aspects of social change in Sweden. By looking at changes in the labor market, changes in education and changes dealing with long-term sickness during the years surrounding the turn of the century, Antoinette Hetzler captures a process of growing exclusion that has particular importance for Swedish women. One is left questioning if the transition of the welfare state in S

Artikeln diskuterar dygdens ställning i 1700-talets Sverige - hur den diskuterades och legitimerades i dåtidens sedeläror. Förnöjsamhet var en särskilt populär dygd och dess relation till samhälleliga hierarkier ger oss en insyn i dåtidens moraliska landskap. Det ger oss även en uppfattning om hur tänjbara de moraliska gränserna kunde vara och vilka möjligheter som fanns att argumentera mot de råd