Results 81 to 90 of about 138,713 (280)

The specialization index of a variety over a discretely valued field [PDF]

, 2015
Let $X$ be a proper variety over a henselian discretely valued field. An important obstruction to the existence of a rational point on $X$ is the index, the minimal positive degree of a zero cycle on $X$.
Kesteloot, Lore, Nicaise, Johannes
core   +2 more sources

Colonization and extinction lags drive non‐linear responses to warming in mountain plant communities across the Northern Hemisphere

Ecography, EarlyView.
Global warming is changing plant communities due to the arrival of new species from warmer regions and declining abundance of cold‐adapted species. However, experimentally testing predictions about trajectories and rates of community change is challenging because we normally lack an expectation for future community composition, and most warming ...
Billur Bektaş, Chelsea Chisholm, Dagmar Egelkraut, Joshua Lynn, Sebastián Block, Thomas Deola, Fanny Dommanget, Brian J. Enquist, Deborah E. Goldberg, Sylvia Haider, Aud H. Halbritter, Yongtao He, Renaud Jaunatre, Anke Jentsch, Kari Klanderud, Paul Kardol, Susanne Lachmuth, Gregory Loucougaray, Tamara Münkemüller, Georg Niedrist, Hanna Nomoto, Lorah Seltzer, Joachim Paul Töpper, Lisa J. Rew, Tim Seipel, Manzoor A. Shah, Richard James Telford, Tom W.N. Walker, Shiping Wang, David A. Wardle, Peter Wolff, Yan Yang, Vigdis Vandvik, Jake M. Alexander   +33 more
wiley   +1 more source

Inferential misconceptions and replication crisis

Epidemiology, Biostatistics and Public Health, 2016
Misinterpretations of the p value and the introduction of bias through arbitrary analytical choices have been discussed in the literature for decades. Nonetheless, they seem to have persisted in empirical research, and criticisms of p value misuses have ...
Norbert Hirschauer, Oliver Mußhoff, Sven Gruener, Ulrich Frey, Insa Theesfeld, Peter Wagner   +5 more
doaj   +1 more source

Nonparametric estimation when income is reported in bands and at points [PDF]

We show how to estimate kernel density functions of distributions in which some of the responses are provided in brackets, by inverse probability weighting. We consider two cases, one where the data are CAR and where the data are not CAR. We show how the
Martin Wittenberg
core   +1 more source

Competences for Providing Oral Health Care to Care‐Dependent Older Adults—Defining Learning Objectives for the German Undergraduate Dental Curriculum Through a Delphi Study

European Journal of Dental Education, EarlyView.
ABSTRACT Background/Aim One of the largest unmet dental care needs in Germany concerns dependent older people (DOP). The aim of this Delphi study was to define learning objectives (LOs) for the dental curriculum, specifying the skills, abilities, and attitudes necessary to enable and motivate future dentists to provide oral health care to DOP.
Anna‐Lena Hillebrecht, Anna Greta Barbe, Susanne Krämer, Marc Auerbacher, Wiebke Semper‐Hogg, Benedikt C. Spies, Philipp Linde, Cornelia Erfurt‐Berge, Anastassia Kossioni, Erik Farin‐Glattacker, Kerstin Bitter   +10 more
wiley   +1 more source

Die Spruchtätigkeit der Juristenfakultät und des Schöffenstuhls zu Wittenberg

Czasopismo Prawno-Historyczne
Das Beantworten von aktuellen Rechtsfragen gehört neben der rechtswissenschaftlichen Lehre und Forschung zum Alltag der Hochschullehrer und Mitarbeiter an den Sektionen (Staats- und) Rechtswissenschaft unserer Universitäten. Was heutzutage unkompliziert,
Heiner Lück
doaj   +1 more source

Experience, cortical remapping, and recovery in brain disease

Neurobiology of Disease, 2010
Recovery of motor function in brain and spinal cord disorders is an area of active research that seeks to maximize improvement after an episode of neuronal death or dysfunction.
George F. Wittenberg
doaj   +1 more source

Sports CEOs and Corporate Innovation

European Financial Management, EarlyView.
ABSTRACT Using a hand‐collected data set, we find that firms led by CEOs who were student‐athletes in college exhibit significantly superior innovation outcomes, as measured by patent numbers, citation counts, and the economic value of patents. Evidence from CEO turnover analysis supports a CEO imprinting interpretation.
Jaideep Chowdhury, Carl F. Larsson, Weiwei Zhang   +2 more
wiley   +1 more source

Clinical utility of Cone Beam Computed Tomography to define treatment in cases of medium and high endodontic complexity.

Journal of Oral Research, 2019
The aim of this study was to evaluate the clinical utility of Cone Beam Computed Tomography (CBCT) in cases of medium and high endodontic complexity. The relevance of CBCT to define treatment was evaluated through the Wittenberg questionnaire and the ...
Germán Buchheister, Patricio Meléndez, Alejandro Herrera, Kevin Lever   +3 more
doaj   +1 more source

The mystery of South Africa's ghost workers in 1996: measurement and mismeasurement in the manufacturing census, population census and October Household Surveys [PDF]

This paper compares estimates of total manufacturing employment from South Africa's 1996 manufacturing census, the 1996 population census and the October Household Surveys from 1995, 1996 and 1997.
Martin Wittenberg
core   +1 more source