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The aim of this paper to draw attention to several aspects of the algebraic dependence in algebras. The article starts with discussions of the algebraic dependence problem in commutative algebras. Then the Burchnall-Chaundy construction for proving algebraic dependence and obtaining the corresponding algebraic curves for commuting differential operators in the Heisenberg algebra is reviewed. Next

A frequency synthesizer applied to a 10/100Base-T ethernet transceiver is described. It can work adaptively in either a 10Mbps or 100Mbps mode and convert freely from on mode to another. Cascode current sources and differential delay cells are adopted to guarantee good performance. The circuit meets the requirements of both transmitter on rising/falling time and receiver on CDR so that additional

There existed a great ambivalence concerning masculinity and its relationship to religion in the decades around the last turn of the century. The historical encoding process of religion, from gender neutral to feminine, have in general been interpreted as something solely negative for the constitution of masculinity during this period. Consequently, religious encoded masculinities have been deemed

This article is based on the author’s inaugural lecture as professor of New Testament studies at Lund University and articulates his view of the hermeneutics of text and history by reference to the notion of memory. The old veneration of Mnēmosynē and her daughters Clio and Polyhymnia indicates the close and yet complex relationship between historical truth and persuasion and points to the decisiv

Kulturartikel om Martin Scorsese och hans filmberättande.

Cognitive semantics relates linguistic expressions to conceptual structures. The purpose of this paper is to present a framework for such a cognitive structure. As a preparation, Putnam's argument against intensional semantics as a theory of meaning is presented. Some of the main tenets of cognitive semantics as it has developed during the last years are outlined. The notion of a conceptual space

Hemiparasitic plants accumulate nutrients in their leaves and therefore produce high-quality litter with faster decomposition and nutrient release rates compared to non-parasitic litter. Higher levels of plant-available nitrogen (N) in the presence of hemiparasitic plants have been attributed to this 'litter effect', but effects on N dynamics in the soil remain unstudied. We tested the hypothesis

The ionization potential of CO has been measured using resonantly enhanced multiphoton ionization (REMPI) mass spectroscopy. The result, IP(CO) = 113031.3 +/- 2.2 cm-1, is corrected for field ionization effects by zero field extrapolation and it is in close agreement with results from classical absorption spectroscopy.

This study evaluates associations between objectively measured daily physical activity vs aerobic fitness and body fat in children aged 8-11 years. A cross-sectional study of 225 children aged 7.9-11.1 years was performed. Abdominal fat mass (AFM) and total body fat (TBF) were quantified by dual-energy x-ray absorptiometry. TBF was calculated as percentage of total body mass (BF%). Body fat distri

The results of an extensive search for short and moderate length polynomial convolutional encoders for time-invariant tail-biting representations of block codes at rates R=1/4, 1/3, 1/2, and 2/3 are reported. The tail-biting representations found are typically as good as the best known block codes

Thematic issue of the journal Aura: "The City and the Film".