The ICREAs

ICREA Research Professors form a vibrant community of scientists and researchers in all areas of knowledge that contribute to the advancement of humankind by exploring, interpreting and questioning. Have a look and learn about their amazing discoveries and findings here:

Tarancón Rubio, Albert

Institut de Recerca en Energia de Catalunya (IREC)

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Tarancón Rubio, Albert
Research Professor at
Institut de Recerca en Energia de Catalunya (IREC)
Engineering Sciences
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Research interests

The research work carried out by Albert is in advanced materials for energy applications. In particular, he has been developing innovative concepts for improving the performance of different solid state energy devices such as Solid Oxide Fuel and Electrolysis Cells (SOFC/SOEC), ThermoElectric Generators (TEGs) or Li-ion batteries for energy storage and portable power applications. In the last years, Albert has been specifically developing new concepts for the unexplored field of Nanoionics and Iontronics. They are called to drive a new revolution similarly to Nanoelectronics, underlining the relevance of size effects and interfaces on mass transfer, transport and storage. Albert's group is pioneer in implementing interface-dominated nanomaterials in devices for radically new applications. In this direction, he was awarded with an ERC CoG to implement disruptive Nanoionics concepts in Si-integrated micro-SOFC technology and two FET Proactive projects on new microenergy technologies. From this recent activity, Albert's group developed unprecedented synaptic transistors based on oxide-ion conductors in the frame of their Transionics ERC-PoC project. This can be considered the starting point for a new class of switchable devices that will boos the future Ion Age.

Key words
Solid Oxide Fuel Cells, High Temperature Electrolysis, Nanoionics, Micropower sources, Power-to-Gas ,Micro fuel cells

ORCID
: 0000-0002-1933-2406

RESEARCHER ID
: AAJ-6513-2020
Tarruell, Leticia

Institut de Ciències Fotòniques (ICFO)

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Tarruell, Leticia
Research Professor at
Institut de Ciències Fotòniques (ICFO)
Experimental Sciences & Mathematics
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Research interests

Leticia Tarruell leads the Ultracold Quantum Gases experimental group at ICFO, which uses ultracold (nanokelvin) atomic gases as model systems to explore fundamental phenomena in quantum many-body physics. By exploiting atom-light interactions, the group engineers highly controllable artificial quantum materials and probes their properties. The goal is to employ these systems as quantum simulators (i.e. special purpose quantum computers) for studying open problems in various fields of physics, in particular in the condensed-matter context, and for realizing novel quantum phases of matter. This research is carried out in three different platforms: quantum mixtures in the continuum, ground state atoms in optical lattices, and arrays of atoms in Rydberg states.

Key words
ultracold quantum gases, Bose-Einstein condensates, ultracold Fermi gases, unconventional superfluids, optical lattices

ORCID
: 0000-0002-0564-1435

RESEARCHER ID
: I-8152-2012
Taylor, Alexander H

Universitat Autònoma de Barcelona (UAB)

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Taylor, Alexander H
Research Professor at
Universitat Autònoma de Barcelona (UAB)
Social & Behavioural Sciences
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Research interests

My research is focused on comparing and understanding the similarities and differences between human, animal and machine minds. At the heart of my research program is an experimental framework I term the signature testing approach (Taylor et al. 2022). This uses the information processing errors, biases and other patterns agent exhibits to make inference about the content of different minds. This approach generates powerful intelligence tests that strongly constrain the possible cognition an agent is using and allows for the comparison of both biological and artificial intelligences. I also have a keen interest in understanding the role information processing errors and biases play in human decision-making. My lab currently works with a wide range of study species, including the kea parrot, rats, and adult humans.

Key words
Comparative psychology, evolution of intelligence, intelligence testing, social cognition, causal cognition, statistical inference, planning, reasoning, domain-general thought

ORCID
: 0000-0003-3492-7667

RESEARCHER ID
: Alex H Taylor
Tikhonov, Sergey

Centre de Recerca Matemàtica (CRM)

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Tikhonov, Sergey
Research Professor at
Centre de Recerca Matemàtica (CRM)
Experimental Sciences & Mathematics
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Research interests

My main research areas are Fourier Analysis and Approximation Theory. Particularly, I study the relationship between "smoothness" of a function and the possibility to approximate or to represent this function by a sum of "simple" functions. The case when "simple" functions have wave structure is of special interest.

Key words
Harmonic Analysis, ApproximationTheory
Tischler, Matthias M.

Universitat Autònoma de Barcelona (UAB)

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Tischler, Matthias M.
Research Professor at
Universitat Autònoma de Barcelona (UAB)
Humanities
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Research interests

My studies are raising the question about the geographical, linguistic, religious, cultural and mental borders of the multi-layered legacy in the centres and peripheries of the Medieval Worlds. I have analyzed the Europe-wide intellectual attraction and radiance of the Parisian abbey of Saint-Victor in the mirror of its exegetical and theological production, focusing on the various European areas. Then, I have broadened my panorama to reconstruct European religious and intellectual identities by conducting extensive research on texts of Christian-Muslim encounters and perceptions in Europe, specializing on early Christian polemics against Islam, the linguistic and religious borders between Christians, Jews and Muslims, processes of religious and cultural passages, entanglement and dis/integration among the members of the three monotheisms in the Carolingian and Iberian Worlds. A new research field I try to establish is methodologically sound Transcultural Studies and Palaeography.

Key words
Carolingian and Intellectual Legacy, Interreligious Dialogue and Memory, Entangled History and Historiography, Transcultural Studies and Palaeography

ORCID
: orcid.org/0000-0002-5236-7168

RESEARCHER ID
: F-3036-2016
Tolsa Domènech, Xavier

Universitat Autònoma de Barcelona (UAB)

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Tolsa Domènech, Xavier
Research Professor at
Universitat Autònoma de Barcelona (UAB)
Experimental Sciences & Mathematics
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Research interests

I work in mathematical analysis. My research deals with harmonic analysis, geometric measure theory, and elliptic PDE's. Particularly, I am interested in the relationship between analytic notions such as analytic capacity or harmonic measure, and geometric concepts like rectifiability. In a sense, analytic capacity measures how much a set in the plane is visible or invisible for analytic functions. On the other hand, rectifiability tells you if a set is contained in a countable collection of curves with finite length. Around 2002 I proved that analytic capacity is semiadditive. This was an open problem since the early 1960s. Later on I studied related problems in higher dimensions. In particular, in a collaboration with F. Nazarov and A. Volberg I have proved the so called David-Semmes conjecture in the codimension 1 case. This result has important applications to the study of harmonic measure and the Dirichlet problem for the Laplace equation, which are other main interests.

Key words
Fourier analysis, geometric measure theory, analytic capacity, rectifiability, quasiconformal maps

ORCID
: 0000-0001-7976-5433