Search Results - "ULLMANN, ELISABETH"

Multilevel Quasi-Monte Carlo methods for lognormal diffusion problems by KUO, FRANCES Y., SCHEICHL, ROBERT, SCHWAB, CHRISTOPH, SLOAN, IAN H., ULLMANN, ELISABETH

“…multilevel Quasi-Monte Carlo finite element discretisations and give a constructive proof of the dimension-independent convergence of the QMC rules. More…”
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Effects of noise on vascular function, oxidative stress, and inflammation: mechanistic insight from studies in mice by Münzel, Thomas, Daiber, Andreas, Steven, Sebastian, Tran, Lan P, Ullmann, Elisabeth, Kossmann, Sabine, Schmidt, Frank P, Oelze, Matthias, Xia, Ning, Li, Huige, Pinto, Antonio, Wild, Philipp, Pies, Kai, Schmidt, Erwin R, Rapp, Steffen, Kröller-Schön, Swenja

“…Epidemiological studies indicate that traffic noise increases the incidence of coronary artery disease, hypertension and stroke. The underlying mechanisms…”
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Antagonization of IL-17A Attenuates Skin Inflammation and Vascular Dysfunction in Mouse Models of Psoriasis by Schüler, Rebecca, Brand, Anna, Klebow, Sabrina, Wild, Johannes, Veras, Flávio P., Ullmann, Elisabeth, Roohani, Siyer, Kolbinger, Frank, Kossmann, Sabine, Wohn, Christian, Daiber, Andreas, Münzel, Thomas, Wenzel, Philip, Waisman, Ari, Clausen, Björn E., Karbach, Susanne

“…Besides skin inflammation, patients with severe psoriasis suffer from an increased risk of cardiovascular mortality. IL-17A plays a central role in the…”
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EP-PINNs: Cardiac Electrophysiology Characterisation Using Physics-Informed Neural Networks by Herrero Martin, Clara, Oved, Alon, Chowdhury, Rasheda A, Ullmann, Elisabeth, Peters, Nicholas S, Bharath, Anil A, Varela, Marta

“…Accurately inferring underlying electrophysiological (EP) tissue properties from action potential recordings is expected to be clinically useful in the…”
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Pentaerythritol Tetranitrate In Vivo Treatment Improves Oxidative Stress and Vascular Dysfunction by Suppression of Endothelin-1 Signaling in Monocrotaline-Induced Pulmonary Hypertension by Stalleicken, Dirk, Wenzel, Philip, Münzel, Thomas, Daiber, Andreas, Daub, Steffen, Tran, Lan P., Heeren, Tjebo, Kröller-Schön, Swenja, Ullmann, Elisabeth, Brandt, Moritz, Oelze, Matthias, Steven, Sebastian, Dib, Mobin

“…Objective. Oxidative stress and endothelial dysfunction contribute to pulmonary arterial hypertension (PAH). The role of the nitrovasodilator pentaerythritol…”
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Nitroglycerin induces DNA damage and vascular cell death in the setting of nitrate tolerance by Mikhed, Yuliya, Fahrer, Jörg, Oelze, Matthias, Kröller-Schön, Swenja, Steven, Sebastian, Welschof, Philipp, Zinßius, Elena, Stamm, Paul, Kashani, Fatemeh, Roohani, Siyer, Kress, Joana Melanie, Ullmann, Elisabeth, Tran, Lan P., Schulz, Eberhard, Epe, Bernd, Kaina, Bernd, Münzel, Thomas, Daiber, Andreas

“…Nitroglycerin (GTN) and other organic nitrates are widely used vasodilators. Their side effects are development of nitrate tolerance and endothelial…”
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Uncertainty quantification analysis of bifurcations of the Allen–Cahn equation with random coefficients by Kuehn, Christian, Piazzola, Chiara, Ullmann, Elisabeth

“…In this work we consider the Allen–Cahn equation, a prototypical model problem in nonlinear dynamics that exhibits bifurcations corresponding to variations of…”
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Fast sampling of parameterised Gaussian random fields by Latz, Jonas, Eisenberger, Marvin, Ullmann, Elisabeth

“…Gaussian random fields are popular models for spatially varying uncertainties, arising for instance in geotechnical engineering, hydrology or image processing…”
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Multilevel Sequential2 Monte Carlo for Bayesian inverse problems by Latz, Jonas, Papaioannou, Iason, Ullmann, Elisabeth

“…The identification of parameters in mathematical models using noisy observations is a common task in uncertainty quantification. We employ the framework of…”
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Multilevel Sequential^sup 2^ Monte Carlo for Bayesian inverse problems by Latz, Jonas, Papaioannou, Iason, Ullmann, Elisabeth

“…The identification of parameters in mathematical models using noisy observations is a common task in uncertainty quantification. We employ the framework of…”
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Bayesian inference with subset simulation in varying dimensions applied to the Karhunen–Loève expansion by Uribe, Felipe, Papaioannou, Iason, Latz, Jonas, Betz, Wolfgang, Ullmann, Elisabeth, Straub, Daniel

“…Uncertainties associated with spatially varying parameters are modeled through random fields discretized into a finite number of random variables. Standard…”
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Computational aspects of the stochastic finite element method by EIERMANN, Michael, ERNST, Oliver G, ULLMANN, Elisabeth

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Uncertainty quantification analysis of bifurcations of the Allen--Cahn equation with random coefficients by Kuehn, Christian, Piazzola, Chiara, Ullmann, Elisabeth

“…In this work we consider the Allen--Cahn equation, a prototypical model problem in nonlinear dynamics that exhibits bifurcations corresponding to variations of…”
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Asymptotic Analysis of Multilevel Best Linear Unbiased Estimators by Schaden, Daniel, Ullmann, Elisabeth

“…We study the computational complexity and variance of multilevel best linear unbiased estimators introduced in [D. Schaden and E. Ullmann, SIAM/ASA J. Uncert…”
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Basic in vitro Characterization of the Vasodilatory Potential of 2-Aminoethyl Nitrate Fixed-Dose Combinations with Cilostazol, Metoprolol and Valsartan by Oelze, Matthias, Welschof, Philipp, Knorr, Maike, Tran, Lan P, Ullmann, Elisabeth, Stamm, Paul, Kröller-Schön, Swenja, Jansen, Thomas, Kopp, Maximilian, Schulz, Eberhard, Gori, Tommaso, Burgin, Karl, Scherhag, Armin, Sartor, Dirk, Münzel, Thomas, Daiber, Andreas

“…2-aminoethyl nitrate (CLC-1011) is a member of the class of organic nitrates that cause vasodilation by the generation of nitric oxide (•NO). These drugs are…”
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Consensus-based rare event estimation by Althaus, Konstantin, Papaioannou, Iason, Ullmann, Elisabeth

“…In this paper, we introduce a new algorithm for rare event estimation based on adaptive importance sampling. We consider a smoothed version of the optimal…”
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Expansion of random field gradients using hierarchical matrices by Busch, Ingolf, Ernst, Oliver G., Ullmann, Elisabeth

“…We present two expansions for the gradient of a random field. In the first approach, we differentiate its truncated Karhunen‐Loève expansion. In the second…”
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The ensemble Kalman filter for rare event estimation by Wagner, Fabian, Papaioannou, Iason, Ullmann, Elisabeth

“…We present a novel sampling-based method for estimating probabilities of rare or failure events. Our approach is founded on the Ensemble Kalman filter (EnKF)…”
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Certified and fast computations with shallow covariance kernels by Kressner, Daniel, Latz, Jonas, Massei, Stefano, Ullmann, Elisabeth

“…Foundations of Data Science 2(4): 487-512, 2020 Many techniques for data science and uncertainty quantification demand efficient tools to handle Gaussian…”
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Error analysis for probabilities of rare events with approximate models by Wagner, Fabian, Latz, Jonas, Papaioannou, Iason, Ullmann, Elisabeth

“…The estimation of the probability of rare events is an important task in reliability and risk assessment. We consider failure events that are expressed in…”
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