• The objective of the Subgroup is to support and disseminate new advances in tackling these challenges to the Mathematical Biology community. (smb.org)
  • The institute's mission is to cultivate cross-disciplinary approaches in mathematical biology and to develop a cadre of researchers who address fundamental and applied biological problems in creative ways. (bio.net)
  • 2014 ISBN 978-3319083131 (with Ching-Shan Chou) Introduction to Mathematical Biology: Modeling, Analysis, and Simulations. (wikipedia.org)
  • Springer-Verlag 2016 ISBN 978-3319296364 Mathematical Biology: Modeling and Analysis. (wikipedia.org)
  • Our model is coded in the systems biology markup language and has been deposited in the BioModels Database (MODEL1511020000), this makes it accessible to the community as a whole. (nih.gov)
  • Mathematical Models in Biology: An Introduction is an introductory textbook in discrete mathematical modeling covering a wide variety of biological topics: dynamic models of population growth, models of molecular evolution, the construction of phylogenetic trees, genetics, and infectious disease modeling. (maa.org)
  • Hence an undergraduate studying with this text gains a broader view of mathematics as well as a feel for how mathematical models are constructed and used in biology. (maa.org)
  • 1974. Biological handbooks: Biology data book, Vol 3. (cdc.gov)
  • Read a description of the Mathematical Biology Section . (nih.gov)
  • We have a unique situation here in that our department consists of Biological and Physical Sciences (Biology, Chemistry, and Physics all in one department). (marymount.edu)
  • For example, Biology majors can join with Mathematics faculty and students to study the modeling of disease spread and dynamics. (marymount.edu)
  • Computational biology, mathematical and computational models of biological systems, bioinformatics. (weizmann.ac.il)
  • In the August online edition of Public Library of Science (PLOS) Computational Biology, Cornell biomolecular engineer Kelvin Lee, in collaboration with graduate student Robert S. Kuczenski, Kevin C. Hong '05 and Jordi Garcia-Ojalvo of Universitat Politecnica de Catalunya, Spain, hypothesize that the accepted model of circadian rhythmicity may be missing a key link, based on a mathematical model of what happens during the sleeping/waking cycle in fruit flies. (news-medical.net)
  • For example, modellers often try pharmacokinetic model, particularly a physiologically several alternative structures as they attempt to reconcile based pharmacokinetic (PBPK) model, to contribute to a the available data and the description of the biology in risk assessment. (cdc.gov)
  • This course is well suited for masters students at the department of Biology interested in biological modelling, how models work and what they are good for. (lu.se)
  • He studies the mathematics of collective animal behaviour, social dynamics and mathematical biology. (lu.se)
  • In applying standard methodologies, mathematical modelers encounter many challenges with simulating and analyzing biological systems, such as high dimensionality, computational complexity, observation or process error, model bias, and intra- and inter-individual heterogeneity. (smb.org)
  • The Department of Applied Mathematics hosted the workshop "Mathematical Modeling and Computational Approaches in Physical and Biological Sciences" on November 21. (iit.edu)
  • The computational model concerns Red Blood Cell geometry. (edu.pl)
  • Predictive models must balance detail (that may, or may not, increase accuracy given inherent uncertainty) against computation time and computational load to be useful. (europa.eu)
  • The commonality of the researchers involved: They all explore computational and statistical methods for modeling complex systems. (uni-bonn.de)
  • Epidemiological models often do not incorporate behavioral adjustments, which in turn are a focus of economic modeling and computational finance models. (uni-bonn.de)
  • My research interests are in the fields of numerical analysis, partial differential equations, scientific computation, mathematical modeling, and computational fluid dynamics. (monmouth.edu)
  • The Fields Institute promotes mathematical activity in Canada and helps to expand the application of mathematics in modern society. (utoronto.ca)
  • Friedman has been the Chair of the Board of Mathematical Sciences (1994-1997) and the President of the Society for Industrial and Applied Mathematics (1993-1994). (wikipedia.org)
  • 2018 ISBN 978-1470447151 Avner Friedman at the Mathematics Genealogy Project SIAM Presidents http://www.siam.org/about/more/presidents.php SIAM Fellows http://fellows.siam.org/index.php?sort=last List of Fellows of the American Mathematical Society, retrieved 2012-12-29. (wikipedia.org)
  • The Transdisciplinary Research Unit "Mathematics, Modelling and Simulation of Complex Systems" at the University of Bonn is funding the project with nearly 100,000 euros over two years. (uni-bonn.de)
  • His primary field of research is partial differential equations, with interests in stochastic processes, mathematical modeling, free boundary problems, and control theory. (wikipedia.org)
  • My research primarily aims at stochastic modelling and statistical inference with applications in various fields. (lu.se)
  • A rate could not be calculated March 9 for the United States, where the virus appears to have shown up later, and reported case numbers were just reaching 500, a baseline for projections by mathematical modelers. (scitechdaily.com)
  • 19 Pandemic Planning Scenarios that are designed to help inform decisions by modelers and public health officials who utilize mathematical modeling. (cdc.gov)
  • The planning scenarios are being used by mathematical modelers throughout the Federal government. (cdc.gov)
  • The Methods for Biological Modeling Subgroup brings together those interested in the development of novel application of methods (e.g., numerical, analytical/theoretical, agent-based modeling, statistical, parameter estimation, identifiability, and machine learning) towards modeling biological systems. (smb.org)
  • Support Available for Mathematical Modeling of Biological Systems Below Organism Level * September 1, 2014 is the deadline for requests for NIMBioS support for Working Groups, Investigative Workshops, Postdoctoral Fellows, Sabbaticals, and Short-term Visitors for activities beginning spring/summer/fall 2015. (bio.net)
  • Likewise, the behaviors of social systems and people have certain biological limitations (naturally, in addition to various social-structural, historical, and infrastructural limitations). (sociostudies.org)
  • Recently, there has been considerable research on active fault detection and model identification algorithms for linear systems. (ncsu.edu)
  • In our biological experiments we used 50 MHz and 64 MHz since this is approved in MRI systems. (intechopen.com)
  • Mathematical Modeling of Complex Biological Systems Simulations, Biological Interpretations, and Further Modelling Perspectives %22&body=%0AI%20found%20an%20article%20you%20might%20be%20interested%20in. (sagepub.com)
  • The biggest strength of the text is that it touches on a variety of topics from a wide range of mathematical subdisciplines (e.g., mathematical modeling, discrete dynamical systems, linear algebra, and probability,) while following a coherent and logical pathway through an interesting set of biological topics. (maa.org)
  • Many physical, biological, chemical, financial or even social phenomena can be described by dynamical systems. (aau.dk)
  • The purpose of this Action is to bring together leading groups in Europe working on a range of issues connected with modelling and analysing mathematical models for dynamical systems on networks. (aau.dk)
  • It aims to develop a semigroup approach to various (non-)linear dynamical systems on networks as well as numerical methods based on modern variational methods and applying them to road traffic, biological systems, and further real-life models. (aau.dk)
  • Specifically, the global fellowship recipient Matthew Wade of Newcastle University integrated mathematical theory commonly used to describe industrial processes into models of engineered biological systems (EBS). (europa.eu)
  • He is an expert in mathematical modeling of biological systems. (uni-bonn.de)
  • You will be able to formulate simple mathematical models for analysing dynamic systems, as well as for collecting data of different physical, chemical and biological processes. (lu.se)
  • The latest schedule for the course Modelling Biological Systems in the schedule software TimeEdit. (lu.se)
  • Based on these models, other researchers can develop small, light control systems for uses such as in drones. (lu.se)
  • He is a full professor at the Technical University of Munich, holding the chair 'Mathematical Modelling of Biological Systems', associate faculty at the Wellcome Trust Sanger Institute as well as adjunct faculty at the Northwestern University. (lu.se)
  • High efficiency particulate air (HEPA) filters or ultra-low penetration air (ULPA) filters are used in the exhaust and/or supply systems of biological safety cabinets These filters and their use in B SCs are briefly desc ribed in Se ction II. (who.int)
  • We have formulated a considerable number of general principles and rules of evolution, and worked to develop a common terminology to describe some key processes in biological and social evolution. (sociostudies.org)
  • Mathematical and experimental modeling of physical and biological processes. (ncsu.edu)
  • Mathematical Modeling with Biological Processes. (wikipedia.org)
  • Simplifying underlying models to accommodate integration of high-level analyses has enabled a step change in qualitative insight regarding complex microbe-based processes for a sustainable future. (europa.eu)
  • Mathematical descriptions and models are even more necessary for scientists and engineers who attempt to describe processes of incredible complexity in fields from medicine and climate science to economics and manufacturing. (europa.eu)
  • While lesser detail and simplifying assumptions of the underlying predictive model may reduce quantitative accuracy, qualitative insights are vital to planning and optimisation of biological treatment processes. (europa.eu)
  • Due to the temperature, kinetic and biological processes accumulated in the raw cotton in Bunt, it can spread over a large surface, first in a small-local state, over time with a nonlinear law. (scirp.org)
  • It is possible to create a system that changes the physical and mechanical properties of raw materials stored in cotton gins by changing their sensitivity to the external environment, through biological, thermal, chemical and other processes. (scirp.org)
  • After the course you will have an improved insight and understanding of basic mathematical and statistical methods of physical processes in the biosphere, the atmosphere and the hydrosphere, as well as their mathematical formulation. (lu.se)
  • NIMBioS, located at the University of Tennessee-Knoxville, is an NSF-sponsored initiative to foster interdisciplinary research at the interface between mathematical and biological sciences. (bio.net)
  • This work has convinced us that it might be possible to find mathematical models that can describe important features of both biological and social macroevolution. (sociostudies.org)
  • In this paper we describe the assembly of a generic deterministic mathematical model of microbial folate metabolism. (nih.gov)
  • We describe a mathematical model of the emergence and diffusion of bacterial resistance in the community. (cdc.gov)
  • The authors, Elizabeth S. Allman and John A. Rhodes, describe their target audience as undergraduates "having a strong interest in biological science and a mathematical background sufficient to study calculus. (maa.org)
  • We are working in that direction, following new experimental set up, and new scientific challenges.More precisely, we aim at building a theoretical framework to describe propagation of biological waves, and patterns of adaptation of populations, either in a stationary or in a changing environment. (europa.eu)
  • 2. Model characterization i.e., methods to describe how rently being extended to integrate dose-response analysis. (cdc.gov)
  • And once you have that information, you can create some mathematical equation that will describe the rate that which susceptible people become infected and how those who are currently infected become recovered. (cdc.gov)
  • Ismonovich, K. and Muhammadziyo, I. (2020) Mathematical Modeling of Heat Flux Distribution in Raw Cotton Stored in Bunt. (scirp.org)
  • Chapter 1 (Dynamical Modeling with Difference Equations) covers discrete models of single populations, starting with the exponential growth model and proceeding on to the logistic growth model, before discussing the different types of long-term behavior (equilibrium points, n-cycles, and chaos. (maa.org)
  • use mathematical and numerical methods to analyse simple dynamic, statistic or probabilistic models, such as stability analysis, optimization or risk analysis. (lu.se)
  • Each scenario is based on a set of numerical values for biological and epidemiological characteristics of COVID-19. (cdc.gov)
  • Our aim is to explore how a mathematical model could be used to explore the dynamics of this inherently complex set of biochemical reactions. (nih.gov)
  • Chapter 3 (Nonlinear Models of Interaction) introduces the dynamics of interacting populations, starting with a simple predator-prey model. (maa.org)
  • He explains: "Mathematical analysis tools, typically in the domain of theorists, can be applied to simplified models of EBS to investigate the qualitative dynamics of the system. (europa.eu)
  • Mathematical modeling and analysis has shown the ability to decipher complex biological phenomena. (europa.eu)
  • I have also been involved in few projects related to bioinformatics where, through utilizing mathematical and modern AI tools, the goal is to develop mathematical models to understand complex biological phenomena. (lu.se)
  • Because of the level of mathematical maturity required to tackle the material, I do not think that this last section is accessible to the typical college student who has not taken calculus. (maa.org)
  • Understanding the mTOR signaling pathway via mathematical modeling. (crossref.org)
  • The effects of electromagnetic fields on living organs have been explored with the use of both biological experimentation and computer simulations. (intechopen.com)
  • In this paper we will examine the effects of the repeated electromagnetic field stimulation (REMFS) on cell cultures, mouse models, and computer simulations for diagnostic purposes. (intechopen.com)
  • 1984. Simulations of methylene chloride pharmacokinetics using a physiologically based model. (cdc.gov)
  • With the support of the Marie Skłodowska-Curie Actions Individual Fellowships (MSCA-IF) programme, the DRAMATIC project developed improved mathematical models to help us better harness the power of microbial life for the benefit of people and the environment. (europa.eu)
  • Further, in many cases, reduced models can be studied analytically using generalised descriptions for microbial growth, potentially yielding even more powerful insights as the properties will hold true for all parameter values. (europa.eu)
  • While documentation to the same degree as a uum of increasingly data-informed approaches to dose- model proposed for use in risk assessment is unnecessary, response characterization that increasingly incorporate understanding of the alternatives considered is important more information and as such, contribute to better under- in supporting the model structure eventually selected ( Bar- standing and precision in estimating risks. (cdc.gov)
  • It provides an ensemble of high quality solutions, which are analyzed with clustering methods and display a hierarchical structure highlighting distinct parameter subspaces with biological interpretations. (lu.se)
  • In unsupervised methods, providing explanatory insights into addition, we predict the response of the system when varying the data and related biological interpretations. (lu.se)
  • Applying Linear Regression and Neural Network Meta-Models for Evolutionary Algorithm Based Simulation Optimization. (ncsu.edu)
  • A simple model for simulation of growth and development in grapevine (Vitis vinifera L.). II. (crossref.org)
  • For computer simulation, I develop 3D mathematical models to simulate the blood flows in human atherosclerotic arteries, to study the blood flow pattern in curved arteries with or without stenosis, and to investigate the effect of the stenosis on the wall shear stress, the pressure drop, and the flow disturbance. (monmouth.edu)
  • We have endeavored to make a systematic comparison between biological and social evolution at different levels of analysis and in various aspects. (sociostudies.org)
  • 2006-01-01 00:00:00 [A qualitative analysis of the initial value problem for various models of the immune competition against an aggressive host was developed in Chapter 4. (sagepub.com)
  • The analysis showed that the problem is locally well posed, while special attention was devoted to identifying the output of the competition and, in particular, the influence of the parameters of the model over the abovementioned asymptotic behavior. (sagepub.com)
  • Written by international experts from industry, research centers, and academia, Mathematical Modeling of Food Processing discusses the physical and mathematical analysis of transport phenomena associated with food processing. (taylorfrancis.com)
  • There are plenty of exercises supporting each section, but many of the exercises involve the analysis of a model that is already set up for the student. (maa.org)
  • 4 Modelling and Economics Unit, Centre for Infectious Disease Surveillance and Control, Public Health England MRC Centre for Outbreak Analysis and Modelling NIHR Health Protection Research Unit in Modelling Methodology, School of Public Health, Imperial College London, United Kingdom. (nih.gov)
  • Bifurcation analysis describes how the long term behaviour predicted by the model changes, as key control parameters in the model change. (europa.eu)
  • DRAMATIC has demonstrated the important and necessary role of mathematical analysis in understanding and managing EBS. (europa.eu)
  • We have been able to cover some interesting cases by the mathematical analysis thanks to a fruitful analogy with some SIR type model. (europa.eu)
  • We shall continue to explore the new convexity structure unraveled by our analysis of the Fisher infinitesimal model. (europa.eu)
  • This course can be taken in parallel with BIOS14 Processing and Analysis of Biological Data, as both are given part time. (lu.se)
  • This analysis discriminates between different biological mechanisms to achieve a transient signal from a sustained TGF-b input, where one mechanism is to use a negative feedback to turn the signal off. (lu.se)
  • It is used to simulate the Monte Carlo method, ST naturally provides ensembles of kinetics of large signaling networks, where one cannot only solutions rather than single ones, subject to analysis by rely on biological intuition. (lu.se)
  • While limited knowledge of key disease parameters and networks of spread has impeded development of operational models of gonococcal transmission, new tools in gonococcal surveillance may provide useful data to aid tracking and modeling. (nih.gov)
  • A novel method in this context, simulated tempering, is used to fit the model parameters to the data. (lu.se)
  • 2. Find values for the kinetic parameters from experimental b pathway have been detected in several human diseases, estimates or by fitting the model to experimental kinetic most notably in many forms of cancer, and in fibrotic diseases data. (lu.se)
  • Two of the experiments are used to fit the model parameters sets, where these sets subsequently are clustered with and the other two are left as ``blind test'' experiments. (lu.se)
  • ABSTRACT The burden of influenza was estimated from surveillance data in Tunisia using epidemiological parameters of transmission with WHO classical tools and mathematical modelling. (who.int)
  • More realistic versions of this model and improved estimates of parameters from surveillance data will strengthen the estimation of the burden of influenza. (who.int)
  • Based on diverse paleontological data and an analogy with macrosociological models, we suggest that the hyperbolic character of biodiversity growth can be similarly accounted for by non-linear, second-order positive feedback between diversity growth and the complexity of community structure. (sociostudies.org)
  • Mathematical models provide a framework to link the natural history of infection and patient behavior to epidemiological outcomes and can be used to guide research and enhance the public health impact of interventions. (nih.gov)
  • information about its biological and epidemiological characteristics remain limited, and uncertainty remains around nearly al parameter values. (cdc.gov)
  • The model successfully describes the kinetics of experimental data and also correctly predicts the behavior in experiments where the system is perturbed. (lu.se)
  • 3. Analyze the behavior of the model for extracted param- too large for modeling, since there are a sufficient number of eter values. (lu.se)
  • Pauline Kergus uses artificial intelligence to model the thermal behavior of buildings. (lu.se)
  • In order to explore this feature, it is important to model building's thermal behavior in order to enable the use of demand-side management control strategies. (lu.se)
  • c) propagation of gene drive in theoretical models of spatial ecology and genetics subject to super-mendelian inheritance. (europa.eu)
  • The Fields Institute is a centre for mathematical research activity - a place where mathematicians from Canada and abroad, from academia, business, industry and financial institutions, can come together to carry out research and formulate problems of mutual interest. (utoronto.ca)
  • 1995. Development of physiologically based pharmacokinetic and physiologically based pharmacodynamic models for applications in toxicology and risk assessment. (cdc.gov)
  • 1991. Physiologically based pharmacokinetic modeling with dichloromethane, its metabolite, carbon monoxide, and blood carboxyhemoglobin in rats and humans. (cdc.gov)
  • Next steps in the devel- opment of guidance for GMP and research to improve the scientific basis of the models are described based on a review of the current status of the application of physiologically based pharmacokinetic (PBPK) models in risk assessments in Europe, Canada, and the Uni- ted States at the International Workshop on the Development of GMP for PBPK Models in Greece on April 27-29, 2007. (cdc.gov)
  • As such, it provides a transparent basis for defining the suf- ical events with respect to mode of action and the ficiency of data on mode of action that is needed to inform strengths and limitations of available model and data, the use of physiologically based pharmacokinetic models in e.g., sensitivity analyses, risk assessment. (cdc.gov)
  • By reducing model complexity without sacrificing the required accuracy, scientists can make the models amenable to rigorous mathematical analyses. (europa.eu)
  • The Graph - represents the "price of complexity" of a model. (uni-bonn.de)
  • 1998. Threshold limit values for chemical substances and physical agents and biological exposure indices. (cdc.gov)
  • These methods seem to work effectively for extremely sparse high dimensional linear models. (ncsu.edu)
  • 2009). Interface problems and methods in biological and physical flows. (ncsu.edu)
  • The great common goal is to use a variety of methods to map and quantify the uncertainties in the individual models, in other words, to determine how relevant they are. (uni-bonn.de)
  • Single cell sequencing combined with deep learning enables him to analyse and model differences between cells. (lu.se)
  • Biological organisms operate in the framework of certain physical, chemical and geological laws. (sociostudies.org)
  • modelling real-life situations within this framework. (aau.dk)
  • Finally, we consider the attraction-repulsion chemotaxis model arising from Alzheimer's disease withshow fast diffusive term and nonlinear source subject to Neumann boundary conditions. (utoronto.ca)
  • Thus, we develop a predictive model that is tested against existing data. (lu.se)
  • and translates it into a very simple mathematical rules that allow to make predictions. (cdc.gov)
  • A team of researchers from Harvard Medical School, using computing resources at the U.S. Department of Energy's National Energy Research Scientific Computing Center (NERSC), have demonstrated a mathematical toolkit that can turn cancer-mutation data into multidimensional models to show how specific mutations alter the social networks of proteins in cells. (nersc.gov)
  • Over the next two years, the researchers want to compile as many models as possible into one large decision-theoretic model, which will be freely accessible in a kind of data archive. (uni-bonn.de)
  • Cornell researchers have contributed to the answer, thanks to new mathematical models recently published. (news-medical.net)
  • Researchers are collecting biological samples that include serum from volunteer and career (federal and non-federal) firefighters, as well as from numerous communities across the nation-serum is a protein-rich liquid that can be separated from other components of the blood. (cdc.gov)
  • Other researchers are looking at changes in epigenetics (how PFAS affect biological functions). (cdc.gov)
  • MapReduce has become increasingly popular as a powerful parallel data processing model. (ncsu.edu)
  • Using this model, we first explored a case of S. pneumoniae and validated our predictions by using independently obtained epidemiologic data. (cdc.gov)
  • Here, we highlight critical questions in the management of gonorrhea that can be addressed by mathematical models and identify key data needs. (nih.gov)
  • R is powerful statistical software with many specialized packages for biological applications and Using R at the Bench: Step-by-Step Data Analytics for Biologists is an excellent resource for those biologists who want to learn R. This handbook for working scientists provides a simple refresher for those who have forgotten what they once knew and an overview for those wishing to use more quantitative reasoning in their research. (cshlpress.com)
  • We compare the models meters where only a few (if any) have values that represent both to existing data (9,10) and to novel measurements first reliable estimates from experiments. (lu.se)
  • During my research I investigated the strength of existing models in accounting for the properties inherited by data and proposing new solutions for them both in a low- and high-dimensional domain. (lu.se)
  • Models developed using the data provided in the planning scenarios can help evaluate the potential effects of different community mitigation strategies (e.g., social distancing). (cdc.gov)
  • Models of transmission have been developed to examine how antibiotic use affects the colonization rate of resistant commensal bacteria in human populations ( 11 ), to examine treatment protocols for resistance prevention ( 12 ), and to predict future trends ( 13 ). (cdc.gov)
  • However, these models are based on a priori hypotheses which, in general, assume that the impact of antibiotic exposure does not differ according to the mechanism of resistance and do not consider the particular natural history of the colonization of the bacterial species. (cdc.gov)
  • Actual pandemic preparedness depends on true cases in the population whether or not they have been identified," says Dr. Arni S.R. Srinivasa Rao, director of the Laboratory for Theory and Mathematical Modeling in the Division of Infectious Diseases at the Medical College of Georgia at Augusta University. (scitechdaily.com)
  • Read a description of the Laboratory of Biological Modeling . (nih.gov)
  • Placement one operates on a model of solo teaching, team teaching and observation of your colleagues within the science department in which you are based. (strath.ac.uk)
  • The course covers theoretical models for the structure and reactions of atomic nuclear, as well as experiments in nuclear physics and their scientific applications. (lu.se)
  • this new research is a follow-on that leveraged improvements in the mathematical method, AlQuraishi said. (nersc.gov)
  • The model suggests that simple differences in the natural history of colonization, interhuman contact, and exposure to β-lactam antibiotics explain major differences in the epidemiology of resistance of S. pneumoniae and N. meningitidis . (cdc.gov)
  • Step 2 often presents the main limitation for a pathway or a simple ON/OFF language as means to draw conclusions modeling approach. (lu.se)
  • The results of these experiments are used to develop biological principles for how insects control their flight using their vision and how they avoid obstacles. (lu.se)
  • The model also takes into account the natural histories of colonization of the two bacteria. (cdc.gov)
  • To support the development and implementation of biological monitoring programs, quantitative technologies for measuring xenobiotic exposure are needed. (cdc.gov)
  • We have proved the uniqueness of the ground state in some quantitative genetics model involving the so-called infinitesimal Fisher model. (europa.eu)
  • We have designed and analysed Asymptotic-Preserving schemes for some quantitative genetics models with a linear operator for the distribution of the effects of mutations, in the regime of vanishing variance. (europa.eu)
  • The coupling of dosimetry measurements and modeling represents a promising strategy for deciphering the relationship between chemical exposure and disease outcome. (cdc.gov)
  • The increasing use of tissue dosimetry estimated using pharmacokinetic models in chemical risk assessments in various jurisdictions necessitates the development of internationally recognized good modelling practice (GMP). (cdc.gov)
  • Pauline's research focuses on building such models through a physics-informed learning based approach, taking advantage of the available measurements. (lu.se)