Forskning vid Uppsala universitet

Forskningsprojekt från 2018-01-01 till 2021-12-31

Parabolic equations and systems are indispensable models in mathematics, physics, chemistry, biology, finance and in most engineering disciplines. These models appear in contexts involving time dependent ...

Forskningsprojekt från 2018-01-01 till 2021-12-31

The present project focuses on high-fidelity mathematical and numerical models, in collaboration with Stanford University, to simulate infrasound from a wide range of volcanic activity. The first task ...

Forskningsprojekt från 2018-01-01 till 2020-12-31

The present project will meet the swedish national scientific, industrial and societal demands within high-quality material analysis by sustaining and advancing the role of the Tandem laboratory at Uppsala ...

Forskningsprojekt från 2019-01-01 till 2022-12-31

The aim of this project is to significantly improve our knowledge about the solution to Hilbert´s 16th problem and its infinitesimal version, both of which ask for the maximal number of isolated periodic ...

Forskningsprojekt från 2014-01-01 till 2017-12-31

This project aims at investigating plant dynamics and forest development in the past (the last 130 000 years) and using this information to assist scientists modelling geographical range shifts in response ...

Forskningsprojekt från 2014-01-01 till 2014-12-31

Ansökan från Amy Goldberg inom programmet Graduate Research Opportunity Worldwide ...

Forskningsprojekt från 2012-01-01 till 2015-12-31

The proposed research is a multifaceted investigation centering on problems in homogeneous dynamics and fundamental questions about lattices. We will focus in particular on problems which hold the promise ...

Forskningsprojekt från 2018-01-01 till 2021-12-31

Atmospheric rivers are long narrow bands of large integrated water vapor transport in the troposphere. At land fall they are usually associated with extreme conditions in terms of wind and precipitation ...

Forskningsprojekt från 2021-01-01 till 2023-12-31

Oxygen is essential for the health of lake ecosystems, but global climate warming may severely deplete oxygen concentrations by increasing microbial respiration rates and stifling atmospheric exchange. ...

Forskningsprojekt från 2015-01-01 till 2017-12-31

In this project we are concerned with solutions to the so-called degenerate parabolic p-Laplace equation, a parabolic version of the classical p-Laplace equation.This project has two directions. The first ...

Forskningsprojekt från 2019-01-01 till 2021-12-31

1) Utveckla en tillförlitlig 3D vågutbrednings modell i realistiska atmosfärer. Motivet är att modellera ljudutbredning från en mängd olika ljudkällor, såsom vindkraftverk, byggarbeten, vägtrafik, flygplan ...

Forskningsprojekt från 2020-01-01 till 2023-12-31

The rich archaeological and paleoenvironmental records from the Peloponnese peninsula (Greece) are investigated to provide an integrated understanding of the role of climate and climate change for Bronze ...

Forskningsprojekt från 2014-01-01 till 2017-12-31

The goal of this research proposal is the study of the pathwise composition of various classes of stochastic processes, in particular, their asymptotics as the number of processes goes to infinity, their ...

Forskningsprojekt från 2020-01-01 till 2023-12-31

In this project we are concerned with degenerate parabolic equations and their applications to AI.This project has two directions. The first direction concerns boundary comparison principles, specifically ...

Forskningsprojekt från 2020-01-01 till 2022-12-31

Stora områden (20%) av svensk skogsmark har artificiellt dränerats genom dikning under de senaste århundradena för att öka produktionen av timmer. När dessa diken åldras, måste dikesrensning ofta utföras ...

Forskningsprojekt från 2015-01-01 till 2018-12-31

Landscapes are multifaceted archives combining natural forming processes with cultural practises and land use strategies of past generations. The aim of the project is to explore the rich archives of the ...

Forskningsprojekt från 2016-01-01 till 2019-12-31

The research proposed here is a multifaceted investigation centeringon problems in dynamics on homogeneous spaces andfundamental questions about lattices. I will focus in particular onproblems which hold ...

Forskningsprojekt från 2016-01-01 till 2019-12-31

The Paleocene-Eocene Thermal Maximum (PETM), a period of global warming some 55 Ma, was triggered by multiple injections of isotopically light carbon into the atmosphere. Methane venting due to magma intrusion ...

Forskningsprojekt från 2014-01-01 till 2017-12-31

Degenerate parabolic equations of Kolmogorov type occur in many areas of analysis, physics and applied mathematics. In their simplest form these equations were introduced and studied by Kolmogorov in ...

Forskningsprojekt från 2019-01-01 till 2021-12-31

India’s agriculture, economy, water resources and societal well-being heavily rely on the Indian summer monsoon rainfall (ISMR). But ISMR is strongly influenced by the El-Nino Southern Oscillation (ENSO ...

Forskningsprojekt från 2012-01-01 till 2014-12-31

Current global warming, associated with the rapid release of CO2 by burning of fossil fuels, impacts ecosystems both on land and in the ocean, most notably in polar regions. Marine phytoplankton play a ...

Forskningsprojekt från 2019-01-01 till 2022-12-31

Deep sea sediment archives form the backbone of global palaeoclimate understanding. Such palaeoclimate reconstructions rest upon the geological law of superposition; sediment core layers become older with ...

Forskningsprojekt från 2019-01-01 till 2021-12-31

Extreme weather events, floods and droughts—problems that are likely to become more frequent and extreme due to climate change— inflict major losses and disproportionally affect lower income countries, ...

Forskningsprojekt från 2018-12-01 till 2022-11-30

Frågeställningarna i projektet är: I vilken utsträckning förändras förekomsten av extrema händelser och omfattningen av påverkan på kustzonen i ett ändrat klimat? Fokus är på stormar, översvämningar och ...

Forskningsprojekt från 2015-01-01 till 2018-12-31

There are several forms of uncertainties in the predictive modeling of glacial mass balance. One of these uncertainties is to what degree melt water will refreeze, advect latent heat into, and stay as ...

Forskningsprojekt från 2013-01-01 till 2016-12-31

This project studies the mathematical models arising from a variety of imaging techniques. These problems are formulated mathematically as "inverse problems" where one deduces information about the differential ...

Forskningsprojekt från 2017-01-01 till 2020-12-31

Conserved quantities are important in various areas of physics, as in many cases they provide an essential characterization of a physical system. However, to define the mass, center of mass, angular and ...

Forskningsprojekt från 2021-01-01 till 2024-12-31

Glaciers outside the Greenland and Antarctic ice sheets are at present, despite their small volume (200,000 glaciers on Earth. A range of remote sensing and in situ observations of surface conditions and ...

Forskningsprojekt från 2016-01-01 till 2018-12-31

Hydrologisk torka kan ha allvarliga konsekvenser för naturen och samhället, bland annat för jordbruk, vatten-/energiförsörjning och ekosystem. Klimatmodeller förutsäger att extrema händelser som den europatäckande ...

Forskningsprojekt från 2017-01-01 till 2019-12-31

The first part of the project (with J. Graczyk, Orsay) concerns the abundance of maps satisfying an expontential growthcondition at the critical value.(Collet-Eckmann-condition) for parameters of the complex ...