Workshop-uri şi Conferinţe

INTERNE

Joi 2 iunie 2022, ora 11, in sala BN134

A computational model of time perception

Abstract.

Time perception in the range of seconds to hours, called interval timing, is critical for planning actions, estimating rates of dynamic processes, and decision making. The distributed neural networks involved in time perception include the frontal cortex for decision, motor cortex for actions, basal ganglia for comparison of different durations, hippocampus for temporal and spatial memories, and a series of neurotransmitters that modulate their activity. We performed experiments on rats and mice and developed a computational model that mimics the activity of known cortical areas involved in interval timing. Our model produces accurate and scalar timing, i.e., the error on time estimation linearly increases with the to-be-timed duration.

susținut de 

Prof. univ. dr. Sorinel OPRIȘAN,

Professor la College of Charleston SC, USA,

Department of Physics and Astronomy

Va invitam luni 27 iunie 2022, orele 12.00, sala BN 142, la sustinerea de catre 

Doamna Assoc. Prof. Mihaela GIRTAN, 

in cadrul Departamentului de Fizica a Seminarului Stiintific intitulat:

" Organic and perovskite solar cells"

Mihaela GIRTAN received her Ph.D degree in Condensed Matter Physics in 2000 at Al.I. Cuza University of Iasi. She is currently Associate Professor of Materials Science at the University of Angers and since 2006 the head of the group Thin films for photovoltaic applications at Photonics Laboratory, Angers. The research interests of Mihaela Girtan cover several aspects of thin films, physical and chemical deposition methods, solar cell technology and optoelectronic devices, including charge transport in oxides and conducting polymers, electrical conductivity and photoconductivity measurements, organic and hybrid solar cells, organic transistors, transparent conducting thin films, structural, morphological, electrical and optical properties of thin films, plasmonics, transport phenomena in low dimensional structures.

Mihaela Girtan is the author of the book Future Solar Energy Devices. (Springer 2018), co-author of other two book and author and coauthor of more than 100 peer-reviewed articles in leading journals in materials science, photonics, photovoltaics and energy area, (H=26). She has delivered more than 150 lectures in national/international meetings. She has coordinated several national and international research projects, she is associate member of: the Academy of Science - Angers, member of different scientific societies, outstanding reviewer of Thin Solid Films, member and chairperson of different international conferences, EU evaluator expert, member of different expertise and jury committees.

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Prof. univ. dr. Sorinel OPRIȘAN,

Professor la College of Charleston SC, USA,

Department of Physics and Astronomy

sustine
Joi 2 Iunie 2022, ora 11,  în sala BN134, are loc Seminarul ştiinţific, cu tema:

A computational model of time perception

Abstract.

Time perception in the range of seconds to hours, called interval timing, is critical for planning actions, estimating rates of dynamic processes, and decision making. The distributed neural networks involved in time perception include the frontal cortex for decision, motor cortex for actions, basal ganglia for comparison of different durations, hippocampus for temporal and spatial memories, and a series of neurotransmitters that modulate their activity. We performed experiments on rats and mice and developed a computational model that mimics the activity of known cortical areas involved in interval timing. Our model produces accurate and scalar timing, i.e., the error on time estimation linearly increases with the to-be-timed duration.

· Miercuri 5 februarie 2020 sunt programate in sala BN134 urmatoarele 2 prezentari:

- ora 12:00, "Masa relativista creste intotdeauna cu viteza?"

prezinta: conf. univ. dr. Emil SMEU, drd. Lucian STAN

- ora 14:00, "Aspecte concrete ale utilizarii sistemului Moodle"

prezinta: sef lucrari dr. Liliana PREDA

· Marti 23 Aprilie 2019, ora 12, in sala BN134, are loc Seminarul stiintific:

Laser Ablation: Fundamentals and Applications in Environment, Medicine and Materials Science

susținut de Prof. univ. dr. Cristian FOCȘA

Director of Centre d'Etudes et de Recherches Lasers et Applications (CERLA), University of Lille 1, France

· Marţi 08 mai 2018, orele 10.00, sala BN-134, are loc sustinerea in cadrul Departamentul de Fizica a Seminarului stiintific intitulat:
"Rezolvarea unor probleme cu valori proprii prin metoda elementelor finite"
 
susţinut de: Prof.univ.dr. Adrian Radu

· Marti 9 mai 2017, ora 09.00, sala BN-134, in cadrul Departamentului de Fizica se organizeaza Reuniunea cu tema:
"Metode combinate acustice și optice de monitorizare a condițiilor de mediu și a echipamentelor din centrale electrice"

- Invitati:

Kirsti Midttomme, Senior Scientist, Christian Michelsen Research, Norway

Runar Unnborsson, Professor, University of Iceland,

Muhammad Nadeem Akram, Profesor, Depart. of Microsystems, University College of Southeast Norway

- Prezentari din partea: Univ. Politehnica - Depart. Fizica, Univ. Politehnica - Facultatea Energetica, Institutul de Microtehnologie, ICPE, Institutul Fizica Laserilor, ICPE-CA, IOR S.A., Tehnosat S.R.L., MGM Star Construct S.R.L.

Scopul acestei intalniri este de a prezenta domeniul de activitate al fiecaruia, rezultatele anterioare si proiectele viitoare pentru a colabora in proiecte de cercetare cu colegii din Norvegia sau Islanda.

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Marti 23 Aprilie 2019, ora 12, in sala BN134,

a avut loc Seminarul stiintific:

Laser Ablation: Fundamentals and Applications in Environment, Medicine and Materials Science

sustinut de Prof. univ. dr. Cristian FOCŞA

Director of Centre d'Etudes et de Recherches Lasers et Applications (CERLA), University of Lille 1, France

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31 mai 2018

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· Marti 28 februarie 2017, orele 12.00, sala BN-134, are loc sustinerea in cadrul Departamentul de Fizica a Seminarului stiintific intitulat:
"Prospective of Cooperation under the Frame of Inter - Government Agreement with Review on GXAS Research in Modeling"
sustinut de: Dr. Guang Wu, de la Guangxi Academy of Sciences, Nanning, China

· Joi 19.05.2016, orele 12.00, sala BN-134, are loc sustinerea in cadrul Departamentul de Fizica a seminarului stiintific intitulat:

"Universitatea din Malta: Facultatea de Stiinte. Cercetari in cadrul grupului de Electromagnetism al Departamentului de Fizica"

sustinut de Profesorul Charles Sammut, Decanul Facultatii de Stiinte si Seful Departamentului de Fizica, Universitatea din Malta.

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10 - 11 noiembrie 2015

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· Marti, 28 octombrie 2014, ora 15:30, sala BN 134, va avea loc seminarul stiintific intitulat

"Digital holographic microscopy for biological imaging and holographic profilometry"

sustinut de catre Prof. Yves Emery de la Ecole Polytechnique Federale Lausanne and Lynceetec SA

http://www.lynceetec.com/

· Luni 22 septembrie 2014, orele 14, Departamentul de Fizică, sala BN 134, va avea loc seminarul stiintific intitulat:

"Quantitative phase imagining of cells and tissues"

sustinut de: Profesor Gabriel Popescu

de la Quantitative Light Imaging Laboratory Beckman Institute for Advanced Science & Technology, University of Illinois.

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Decorarea deţinătorului Premiului Nobel pentru Chimie (2014),

Prof. STEFAN HELL, cu Ordinul "Steaua Romaniei in grad de Mare Cruce",

de către

Preşedintele Romaniei Klaus Iohannis

Deţinatorul Premiului Nobel pentru Chimie (2014), in vizită la

Centrul de Microscopie-Micronaliză şi Procesarea Informaţiei, 4 septembrie 2015

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Luni 13 iulie 2015, orele 12.00, sala BN-134, a avut loc, in Departamentul de Fizica, prezentarea seminarului stiintific intitulat: "Curved image sensors inspired by nature" sustinut de catre Doctor Young Min Song, de la Flexible Opto - Electronics Laboratory, Pusan National University, Coreea.

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Joi, 27 noiembrie 2014, in Amfiteatrul "Radu Voinea" (AN 010),

a avut loc ceremonia acordării titlului de Dr. Honoris Causa al U.P.B.

Profesorului Gerard Albert MOUROU

de la Universitatea "Ecole Polytechnique" din Paris, Franța

Albumul FOTO al manifestarii

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Prof. STEFAN W. HELL,

cercetator german de origine romana, nascut la Arad, se numara printre cei trei laureati

ai Premiului NOBEL pentru CHIMIE 2014.

· Stefan W. Hell a fost premiat impreuna cu americanii Eric Betzig si William E. Moerner pentru "dezvoltarea microscopiei cu fluorescenta de super-rezolutie", conform anunțului făcut miercuri 8 octombrie 2014, la Stockholm, de catre Staffan Normark, secretar permanent al Academiei Regale de Științe din Suedia.

· Prof. Stefan W. Hell este membru de onoare al Academiei Romane si

Doctor Honoris Causa al Universitatii "Politehnica" din Bucuresti.

· Universitatea "Politehnica" din Bucureşti i-a acordat titlul academic de Doctor Honoris Causa, in data de 9 aprilie 2013, la propunerea Departamentului de Fizică al Facultăţii de Ştiinţe Aplicate.

Albumul FOTO al manifestarii

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Luni, 22 septembrie 2014, a avut loc seminarul stiintific intitulat:

"Quantitative phase imagining of cells and tissues" sustinut de Profesor Gabriel Popescu (Quantitative Light Imaging Laboratory Beckman Institute for Advanced Science & Technology University of Illinois)

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1 februarie 2013

Albumul FOTO al manifestarii

· Joi 24 februarie 2011, orele 12.00, sala BN-134 are loc Sustinerea in Catedra de Fizica I a Seminarului Stiintific intitulat:

"Nanotehnologia - un viitor nascut in zilele noastre"

sustinut de catre Prof.univ.dr. Marius ENACHESCU - Facultatea de Inginerie in Limbi Straine, UPB

· Vineri 07 octombrie 2011, orele 10.00, sala BN-134 are loc sustinerea in Departamentul de Fizica a Seminarului Stiintific intitulat:

"Ansamblu experimental pentru generarea si masurarea fotonilor prin efect SPDC (Spontaneous Down Conversion)"

sustinut de catre C.S.1 Dr. Alexandru RUSU, Institutul National de Fizica si Inginerie Nucleara "Horia-Hulubei"

· Joi 24 februarie 2011, orele 12.00, sala BN-134 are loc Sustinerea in Catedra de Fizica I a Seminarului Stiintific intitulat:

"Nanotehnologia - un viitor nascut in zilele noastre"

sustinut de catre Prof.univ.dr. Marius ENACHESCU - Facultatea de Inginerie in Limbi Straine, UPB

· Joi 19 noiembrie 2009, ora 12.00, sala BN 134, Prezentarea in Catedra de Fizică I a

"Platformei didactice MOODLE"

de către S.l.univ.dr. Constantin Neguţu

· Joi 08 iulie 2010, orele 10.00, sala BN-134, Sustinerea in Catedra de Fizica I a Seminarului Stiintific intitulat

"Ultrafest Materials Science with the Artemis XUV beamline"

de catre Prof. Edmond Turcu de la Central Laser Facility STFC Rutherford Appleton Laboratory, UK

· Luni 28 iunie 2010, orele 10.30, sala BN-134, Sustinerea in Catedra de Fizica I a Seminarului Stiintific intitulat

"Extreme light infrastructure-the bucharest pillar. The scientific case "

de catre Prof. Dr. DIETRICH HABS, de la LUDWIG-MAXIMILIANS-UNIVERSITAT, MUNCHEN, GERMANY

· Joi 04 februarie 2010, ora 12:00, sala BN 134, are loc Seminarul Stiintific al Catedrei de Fizica I, cu tema:

"Holografie digitala"

prezentat de catre S.l.univ.dr. Mona Mihailescu

· Joi 21 ianuarie 2010, ora 10.00, sala BN 134, are loc Seminarul Stiintific al Catedrei de Fizica I, cu tema

"Tranzitii optice modulate de campuri laser intense in nanostructuri semiconductoare"

prezentat de către Prof.univ.dr. Ecaterina Niculescu

· Joi 12 februarie 2009, ora 10:00, sala BN 134, Seminarul stiintific cu titlul:

"Tranzitii de faza si fenomene de transport in solutii amfifilice ternare"

prezentat de catre d-na prof.univ.dr. Daniela Buzatu

· Joi 19 martie 2009, orele 14:00, sala BN 134, Seminarul stiintific cu titlul:

"Materiale si configuratii noi pentru laserii miniaturali"

prezentat de catre dl. cercetator stiintific gr. I Traian Dascalu

· Marti 04 noiembrie 2008, orele 10.30, sala BN 134, Masa rotunda cu tema:

"Proiectul luminii extreme" - Implicarea comunitatii stiintifice din Romania,

invitati: Prof. dr. Cristian Florea- LOA si ENSTA, Franta;

Prof. dr. Dan Dumitras - INFLPR, Magurele

· Joi 06 noiembrie 2008, orele 10.00, sala BN 134, Seminarul Stiintific cu titlul:

"Introducere in fizica pragmatica",

prezentat de catre dl. prof. univ. dr. Eugeniu Potolea