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2016-09-06ZeitschriftenartikelThe impact of human-biometeorological factors on perceived thermal comfort in urban public places For the understanding of the impact of meteorological stressors on human perceptions of thermal comfort, it is essential to examine in detail the joint variability of atmospheric conditions and human perception. We designed ...
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2015-01-28ZeitschriftenartikelTemporal constraints on future accumulation-area loss of a major Arctic ice cap due to climate change (Vestfonna, Svalbard) Arctic glaciers and ice caps are major contributors to past, present and future sea-level fluctuations. Continued global warming may eventually lead to the equilibrium line altitudes of these ice masses rising above their ...
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2015-10-26ZeitschriftenartikelRepeated glacial lake outburst flood threatening the oldest Buddhist monastery in north-western Nepal Since 2004, Halji village, home of the oldest Buddhist Monastery in north-western Nepal, has suffered from recurrent glacial lake outburst floods (GLOFs). A sudden englacial drainage of a supraglacial lake, located at a ...
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2016-07-18ZeitschriftenartikelImpact of supraglacial deposits of tephra from Grímsvötn volcano, Iceland, on glacier ablation Supraglacial deposits are known for their influence on glacier ablation. The magnitude of this influence depends on the thickness and the type of the deposited material. The effects of thin layers of atmospheric black ...
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2014-06-03ZeitschriftenartikelClimate change signal of future climate projections for Aachen, Germany, in terms of temperature and precipitation A multi-model ensemble of regional climate projections is used to estimate the climate change signal in terms of temperature and precipitation for the city of Aachen, Germany, until the end of the current century. Since ...
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2016-08-04ZeitschriftenartikelAdding Natural Areas to Social Indicators of Intra-Urban Health Inequalities among Children. A Case Study from Berlin, Germany Research suggests that there is a relationship between the health of urban populations and the availability of green and water spaces in their daily environment. In this paper, we analyze the potential intra-urban relationships ...
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2011-09-01ZeitschriftenartikelInvestigating Emerging Biomedical Practices. Zones of Awkward Engagement on Different Scales This special issue of Science, Technology, & Human Values critically explores a new stage in which the life sciences and biomedical practices have entered. This new stage is marked by postgenomic developments and an increased ...
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2017-07-13KonferenzveröffentlichungJahr 1 nach Snowden Der Sammelband "Jahr 1 nach Snowden" enthält alle Beiträge einer studentischen Initiative der Humboldt-Universität zu Berlin, die im WiSe 2014/15 sowohl theoretisch als auch praktisch die Problemfelder der globalen ...
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2015-07-30ZeitschriftenartikelDeglaciation and drainage-pattern development in the eastern Uckermark, Brandenburg, Germany After retreat from the Angermünde Ice Margin, the Weichselian inland ice sheet fell apart into different independently acting ice tongues in the eastern Uckermark. In this region (bordering Poland), between the Angermünde ...
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2016-11-11ZeitschriftenartikelLicence to Mine? Ein Überblick über Rahmenbedingungen von Text and Data Mining und den aktuellen Stand der Diskussion. Der Artikel gibt einen Überblick über die Möglichkeiten der Anwendung von Text and Data Mining (TDM) und ähnlichen Verfahren auf der Grundlage bestehender Regelungen in Lizenzverträgen zu kostenpflichtigen elektronischen ...
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2016-01-15ZeitschriftenartikelA duality-based path-following semismooth Newton method for elasto-plastic contact problems A Fenchel dualization scheme for the one-step time-discretized contact problem of quasi-static elasto-plasticity with combined kinematic-isotropic hardening is considered. The associated path is induced by a coupled ...
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2015-06-01ZeitschriftenartikelOn the density of classes of closed convex sets with pointwise constraints in Sobolev spaces For a Banach space X of R^M-valued functions on a Lipschitz domain, let K(X) ⊂ X be a closed convex set arising from pointwise constraints on the value of the function, its gradient or its divergence, respectively. The ...
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2015-11-01ZeitschriftenartikelBilevel Optimization for Calibrating Point Spread Functions in Blind Deconvolution Blind deconvolution problems arise in many imaging modalities, where both the underlying point spread function, which parameterizes the convolution operator, and the source image need to be identified. In this work, a novel ...
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2014-08-29ZeitschriftenartikelRobust Principal Component Pursuit via Inexact Alternating Minimization on Matrix Manifolds Robust principal component pursuit (RPCP) refers to a decomposition of a data matrix into a low-rank component and a sparse component. In this work, instead of invoking a convex-relaxation model based on the nuclear norm ...
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2015-11-10ZeitschriftenartikelLimiting Aspects of Nonconvex TV^phi Models Recently, nonconvex regularization models have been introduced in order to provide a better prior for gradient distributions in real images. They are based on using concave energies φ in the total variation–type functional ...
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2015-09-17ZeitschriftenartikelGeneralized Nash Equilibrium Problems inBanach Spaces: Theory, Nikaido–Isoda-Based Path-Following Methods, and Applications Building upon the results in [M. Hintermüller and T. Surowiec, Pac. J. Optim., 9 (2013), pp. 251–273], a class of noncooperative Nash equilibrium problems is presented, in which the feasible set of each player is perturbed ...
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2015-05-01ZeitschriftenartikelSeveral path-following methods for a class of gradient constrained variational inequalities Path-following splitting and semismooth Newton methods for solv- ing a class of problems related to elasto-plastic material deformations are pro- posed, analyzed and tested numerically. While the splitting techniques ...
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2015-05-08ZeitschriftenartikelShape Sensitivities for an Inverse Problem in Magnetic Induction Tomography Based on the Eddy Current Model In this paper the shape derivative of an objective depending on the solution of an eddy current approximation of Maxwell’s equations is obtained. Using a Lagrangian approach in the spirit of Delfour and Zolésio, the ...
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2015-01-01ZeitschriftenartikelMesh Adaptivity in Optimal Controlof Elliptic Variational Inequalities with Point-Tracking of the State An adaptive finite element method is developed for a class of optimal control problems with elliptic variational inequality constraints and objective functionals defined on the space of continuous functions, necessitated ...
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2017-04-11BuchOpen in Action in Berlin-Brandenburg Im Spätsommer 2016 begannen die Planungen der Open-Access-Teams der Freien Universität, der Humboldt-Universität und der Technischen Universität Berlin für die internationale Open Access Week 2016. In einem Call for Posters ...