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Universität Hamburg
Country: Germany
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276 Projects, page 1 of 56
  • Funder: EC Project Code: 229464
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  • Funder: EC Project Code: 249425
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  • Funder: EC Project Code: 840670
    Overall Budget: 162,806 EURFunder Contribution: 162,806 EUR

    Our ability to learn rests on the brain’s capacity to change. People who are blind since birth have to rely more strongly on the intact sense, hearing and touch, to interact with their environment. As a consequence, blind people often show superior abilities when it comes to discriminating sounds and touch. For example, they can distinguish different voices more easily. The blind brain shows large changes due to the lack of vision: the part of the brain that responds to visual input in sighted people is now activated by the processing of sounds and touch, which is called “crossmodal plasticity”. Not only blind people, but also sighted people sometimes show crossmodal activation of the visual cortex while perceiving sounds or touch. As many environmental events are multisensory in nature, e.g. we simultaneously see and hear a person, it is thought that all related sensory representations are activated in distributed networks across the brain – even if only one sensory input is received. The proposed project investigates, using the latest advances in ultra-high field imaging, the detailed underlying mechanisms of crossmodal activation of visual brain regions during voice perception in blind and sighted humans in order to understand how the brain adapts to experience.

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  • Funder: EC Project Code: 101061500
    Funder Contribution: 189,687 EUR

    SIHAFA explores the late Ottoman (1890s–1918) Arabic ideosphere of the Eastern Mediterranean through its periodical press. SIHAFA transcends the individual periodical for a systematic and computational study of the periodical press as a discursive field and at scale in order to better understand both the intellectual history of the Eastern Mediterranean at a crucial historical juncture and periodical production itself. As MSCA fellow, Dr. Grallert will receive crucial training at Universität Hamburg and will scrutinise a digital corpus of seven Arabic journals from Baghdad, Beirut, Cairo and Damascus with more than 7 million words (the result of his current research) through a combination of stylometric authorship attribution, social network analysis, and close reading of bio-bibliographical dictionaries. He will evaluate theoretical and methodological approaches, workflows, and tools developed in the Global North for their applicability to cultural heritage of the Global South. A secondment at Uniwersytet Jagielloński will provide methodological training in stylometry. The research objectives are to: (1) fill a gap in research by developing and evaluating methods for the study of Arabic periodicals; (2) challenge established narratives of the Arabic Renaissance (nahda) by re-introducing non-Syrian and Muslim authors and periodicals from beyond Cairo and Beirut commonly ignored by scholarly literature through the leading research question "What were the core nodes of authors and periodicals in this ideosphere and how did they change over time?"; (3) help establish the field of Arab Periodical Studies through community building across the postcolonial north-south divide. SIHAFA is committed to FAIR data and open access. Dr. Grallert will produce and publish: ground-breaking research to be published in English and Arabic; improved digital scholarly editions; authority files; an OCR model for Arabic periodicals; and a plain text corpus of authorship candidates.

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  • Funder: EC Project Code: 652837
    Overall Budget: 159,461 EURFunder Contribution: 159,461 EUR

    Electrons in a magnetic field experience a drift transverse to their velocity, which gives rise to intriguing effects such as the whole family of Hall Effects. Interestingly, this drift can also appear without a charged particle and without magnetic field, i.e. for ultra-cold quantum gases in optical lattices with non-trivial topology, described by a Berry curvature. This enables researchers to use the tunability of quantum gases and allow for studies beyond the possibilities of condensed matter systems. Furthermore, it allows to mimic and study in great detail fascinating effects such as topological insulators and edge-states. Especially, the interplay between topology and interactions is not well understood and the existence of many interesting states, such as topological insulators, fractional Chern insulators and topological superfluids, is predicted, but have not yet been observed. In recent years, great progress has been made in engineering topological band structures for quantum gases. Whereas theoretical proposals are well developed, so far there are only few experimental realizations of topological band structures, especially for fermionic quantum gases. In this action, we want to create non-trivial topological band structures and explore (many-body) phases that can emerge for fermions and mixtures of bosons and fermions. We will map out the Berry curvature and study the detection of edge states, which provides a clear signature of a non-trivial topology. For the first time, we will realize a new creation and detection method for topological band structures and study high spin Fermi systems in topological optical lattices.

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