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24.05.2022 10:30

Research Project on Machine Learning for Molecular Systems

Maike Lempka Corporate Communications & Public Relations
Jacobs University Bremen gGmbH

    Priority Programs of the German Research Foundation (DFG) are intended to provide tangible impetus for the further development of science in important topics. Two researchers from Jacobs University Bremen are involved in a newly launched program on machine learning for molecular systems in physics and chemistry: Peter Zaspel, Professor of Computer Science, and Ulrich Kleinekathöfer, Professor of Theoretical Physics. This also gives them access to a nationwide network of experts for topical exchange.

    Machine learning, meaning the ability to recognize important patterns in data sets and to generate solutions with the help of algorithms, is a research field of rapidly growing importance. In physics, chemistry and biology with complex molecular structures, classical machine learning is reaching its limits. In order to better understand and use molecular data, new models must be developed. This is what the DFG's Priority Program "Use and Development of Machine Learning for Molecular Applications – Molecular Machine Learning" aims to achieve. At the end of the six-year funding period, software should be available that can be used by scientists in everyday life and enable new applications – for example in pharmacy.

    "Representing and calculating the properties of molecules in a computer is anything but trivial," said Professor Zaspel. "One of the main challenges is that we first have to generate new data instead of working with existing data as we normally do. Conceptually, that makes a big difference." The research group applies the so-called "multi-fidelity approach" of machine learning, which combines data of varying accuracy.

    Complicated physical and quantum chemical calculations are required to produce the data. "This process is complex, expensive and can take several days," explained Professor Kleinekathöfer. "We want to develop machine learning models based on the data that make large-scale calculations faster and more efficient. That would be extremely simplifying." This method can be used, for example, to improve special solar cells.

    The tandem Kleinekathöfer and Zaspel jointly applied for the DFG project. For both of them, the attraction of the Priority Program lies not only in gaining new insights in their special fields, but also in the interdisciplinary exchange with colleagues throughout Germany. More than a dozen universities and research institutions are brought together by the program, which is coordinated by Professor Frank Glorius of the University of Münster. "We hope for fruitful synergies," Kleinekathöfer said. At Jacobs University, the program is linked to the creation of two positions for PhD candidates. The funding volume from the DFG for the two scientists amounts to almost 500,000 euros.

    About Jacobs University Bremen:
    Studying in an international community. Obtaining a qualification to work on responsible tasks in a digitized and globalized society. Learning, researching and teaching across academic disciplines and countries. Strengthening people and markets with innovative solutions and advanced training programs. This is what Jacobs University Bremen stands for. Established as a private, English-medium campus university in Germany in 2001, it is continuously achieving top results in national and international university rankings. Its more than 1,600 students come from more than 110 countries with around 80% having relocated to Germany for their studies. Jacobs University’s research projects are funded by the German Research Foundation or the EU Research and Innovation program as well as by globally leading companies.
    For more information:
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    Wissenschaftliche Ansprechpartner:

    Prof. Ulrich Kleinekathöfer
    Professor of Theoretical Physics
    Tel: +49 421 200-3523

    Prof. Peter Zaspel
    Professor of Computer Science
    Tel: +49 421 200-3051


    The energy transfer between light-absorbing molecules attached to a clay surface is at the focus of the project.
    The energy transfer between light-absorbing molecules attached to a clay surface is at the focus of ...

    Jacobs University

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    The energy transfer between light-absorbing molecules attached to a clay surface is at the focus of the project.

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