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Postdoctoral Position in Mapping Big Data Systems - CLOSED

2018/06/21 | academic

Applications are invited for a Postdoctoral fellowship at the University of Barcelona to work with Prof. M. Ángeles Serrano and Prof. Marián Boguñá at the Department of Condensed Matter Physics and UB Institute of Complex Systems (UBICS). The position is funded by a Fundación BBVA grant.

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A renormalization group for the multiscale unfolding of complex networks

2018/03/20 | academic

Maps of complex networks in hyperbolic space are not only attractive visual representations but they are full of meaning and allow us to find out information on the systems and to navigate through them. We can increase the system navigability if we take into account the information provided by the renormalization group, which allows us to unfold networks at the different structural scales that build them up, and which, in addition, turn out to be self-similar, that is, they have the same organization at different scales. These results can also be applied to make reduced versions of the original networks at smaller scales and which have the same properties. The possibility of having reduced copies has a great potential; for instance, they can serve as testbeds to assess expensive processes in original networks, such as new Internet routing protocols.

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Synthetic lethality clusters in metabolic networks

2018/01/26 | academic

Synthetic lethality, in which the combined knockout of two nonessential genes or reactions is lethal, has direct applications in recognising targets for therapeutic treatment of complex diseases and for fighting against undesired resistance. We propose a change of paradigm based on the fact that SL interactions in metabolism are not independent of each other but form complex backup systems, called SL clusters.

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latest publications

A new approach to international trade from Network Geometry. The World Trade Atlas 1870-2013

Guillermo García Pérez, Marian Boguñá, Antoine Allard, and M. Ángeles Serrano

in Networks of International Trade and Investment, Understanding globalisation through the lens of network analysis ISBN 978-1-62273-065-0 71-112 (2018)

economic networks | metric spaces

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Soft communities in similarity space

Guillermo García-Pérez, M. Ángeles Serrano, and Marián Boguñá

Journal of Statistical Physics https://doi.org/10.1007/s10955-018-2084-z (2018)

theory of complex networks | metric spaces

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Multiscale unfolding of real networks by geometric renormalization

Guillermo García-Pérez, Marián Boguñá and M. Ángeles Serrano

Nature Physics 14 583-589 (2018)

theory of complex networks | metric spaces

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M. Ángeles Serrano

ICREA Research Professor

at the Universitat de Barcelona UB

M. Ángeles Serrano obtained her Ph.D. in Physics at the Universitat de Barcelona in 1999. One year later, she also received her Masters in Mathematics for Finance from the CRM-Universitat Autònoma de Barcelona. After four years in the private sector as IT consultant and mutual fund manager, she returned to academia in 2004. She completed her postdoctoral research at Indiana University (USA), the École Polytechnique Fédérale de Lausanne (Switzerland) and IFISC Institute (Spain). She came back to Barcelona in 2009, when she was awarded a Ramón y Cajal Fellowship at UB. In February 2009, she obtained the Outstanding Referee award of the American Physical Society. She is a Founder Member of Complexitat, the Catalan Network for the study of Complex Systems, and a Promoter Member of UBICS, the UB Institute of Complex Systems. M. Ángeles Serrano is ICREA Research Professor at UB from October 2015. She is also external faculty of the Complexity Science Hub Vienna.