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Basic density-functional theory - an overview

In these notes I have given a personally flavored expose of static density-functional theory (DFT). I have started from standard many-body physics at a very elementary level and then gradually introduced the basic concepts of DFT. Successively more advanced topics are added and at the end I even discuss a few not yet published theories. The discussion represents many of the personal views of the a

Statistical Estimation and Interpretation of Trends in Water Quality Time Series

Three approaches to trend analysis of water quality time series are discussed: (1) seasonal model, with a test for trend based on ranks of observations, with observations assumed to be m dependent; (2) transfer function noise model, in which covariate series may be included by means of transfer functions, with the remaining noise modeled as a seasonal autoregressive moving average process; and (3)

First known Terrestrial Impact of a Binary Asteroid from a Main Belt Breakup Event

Approximately 470 million years ago one of the largest cosmic catastrophes occurred in our solar system since the accretion of the planets. A 200-km large asteroid was disrupted by a collision in the Main Asteroid Belt, which spawned fragments into Earth crossing orbits. This had tremendous consequences for the meteorite production and cratering rate during several millions of years following the

Targeting human papillomavirus to reduce the burden of cervical, vulvar and vaginal cancer and pre-invasive neoplasia: establishing the baseline for surveillance.

Infection with high-risk human papillomavirus (HPV) is causally related to cervical, vulvar and vaginal pre-invasive neoplasias and cancers. Highly effective vaccines against HPV types 16/18 have been available since 2006, and are currently used in many countries in combination with cervical cancer screening to control the burden of cervical cancer. We estimated the overall and age-specific incide

State-of-the-art review on timber connections with glued-insteel rods

Adhesive joints have been known andapplied for timber structures for decades. Hybridjoints with glued-in rods are nowadays successfullyused for both constructing new and strengtheningexisting timber structures. Since the 1980s theresearch and development of timber joints withbonded-in rods have been going on, however agreementregarding design criteria for these connectionshas not been reached. Tod