Stanford University
Showing 4,601-4,650 of 5,806 Results
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Agripino S. Silveira
BioAgripino is as Advanced Lecturer in Portuguese at the Stanford Language Center. He earned his Ph.D. in Linguistics from the University of New Mexico with a research focus on “Subject Expression in Brazilian Portuguese.” Over the years, Agripino has made significant contributions to the field of linguistics and Portuguese language studies, with publications that include the "Modern Brazilian Portuguese Grammar" (co-authored) and several research articles in notable journals.
In addition to his academic accomplishments, Agripino has a rich history of teaching, having been a faculty member at the Middlebury Language Schools and an ESL instructor at the University of New Mexico. He has also held administrative roles, including co-chairing the Portuguese Special Interest Group (SIG) and coordinating pronunciation courses at the Middlebury Portuguese Language School.
Agripino's expertise is further highlighted by his role as a rater and tester of Oral Proficiency Interviews (OPIs) and as a rater of Written Proficiency Tests (WPTs), both in Portuguese.
His professional affiliations include the American Organization of Teachers of Portuguese (AOTP), American Portuguese Studies Association (APSA), Linguistic Society of America (LSA), and the American Council of Teachers of Foreign Languages (ACTFL), among others. -
Eva Silverstein
Professor of Physics
BioProfessor Silverstein conducts research in theoretical physics -- particularly gravitation and cosmology, as well as recently developing new methods and applications for machine learning.
What are the basic degrees of freedom and interactions underlying gravitational and particle physics? What is the mechanism behind the initial seeds of structure in the universe, and how can we test it using cosmological observations? Is there a holographic framework for cosmology that applies throughout the history of the universe, accounting for the emergent effects of horizons and singularities? What new phenomena arise in quantum field theory in generic conditions such as finite density, temperature, or in time dependent backgrounds?
Professor Silverstein attacks basic problems in several areas of theoretical physics. She develops concrete and testable mechanisms for cosmic inflation, accounting for its sensitivity to very high energy physics. This has led to a fruitful interface with cosmic microwave background research, contributing to a more systematic analysis of its observable phenomenology.
Professor Silverstein also develops mechanisms for stabilizing the extra dimensions of string theory to model the accelerated expansion of the universe. In addition, Professor Silverstein develops methods to address questions of quantum gravity, such as singularity resolution and the physics of black hole and cosmological horizons.
Areas of focus:
- optimization algorithms derived from physical dynamics, analyzing its behavior and advantages theoretically and in numerical experiments
- UV complete mechanisms and systematics of cosmic inflation, including string-theoretic versions of large-field inflation (with gravity wave CMB signatures) and novel mechanisms involving inflaton interactions (with non-Gaussian signatures in the CMB)
-Systematic theory and analysis of primordial Non-Gaussianity, taking into account strongly non-linear effects in quantum field theory encoded in multi-point correlation functions
-Long-range interactions in string theory and implications for black hole physics
- Concrete holographic models of de Sitter expansion in string theory, aimed at upgrading the AdS/CFT correspondence to cosmology
- Mechanisms for non-Fermi liquid transport and $2k_F$ singularities from strongly coupled finite density quantum field theory
- Mechanisms by which the extra degrees of freedom in string theory induce transitions and duality symmetries between spaces of different topology and dimensionality -
Jon Simon
Joan Reinhart Professor and Professor of Applied Physics
Current Research and Scholarly InterestsJon's group focuses on exploring synthetic quantum matter using the unique tools available through quantum and classical optics. We typically think of photons as non-interacting, wave-like particles. By harnessing recent innovations in Rydberg-cavity- and circuit- quantum electrodynamics, the Simonlab is able to make photons interact strongly with one another, mimicking collisions between charged electrons. By confining these photons in ultra-low-loss metamaterial structures, the teams "teach" the photons to behave as though they have mass, are in traps, and are experiencing magnetic fields, all by using the structures to tailor the optical dispersion. In total, this provides a unique platform to explore everything from Weyl-semi-metals, to fractional quantum hall puddles, to Mott insulators and quantum dots, all made of light.
The new tools developed in this endeavor, from twisted fabry-perot resonators, to Rydberg atom ensembles, Floquet-modulated atoms, and coupled cavity optical mode converters, have broad applications in information processing and communication. Indeed, we are now commissioning a new experiment aimed at interconverting optical and mm-wave photons using Rydberg atoms inside of crossed optical and superconducting millimeter resonators as the transducer. -
Michael Simon
Professor of Biology
Current Research and Scholarly InterestsPlanar cell polarity, cell shape and mobility, and control of cell fate
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Robert Simoni
Professor, Biology
Current Research and Scholarly InterestsCholesterol in biological membranes; genetic mechanisms & cholesterol production
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Aatika Singh
Ph.D. Student in Art History, admitted Autumn 2023
Ph.D. Minor, Comparative Studies in Race and EthnicityCurrent Research and Scholarly InterestsCaste Studies, Art History & Cultural Studies, Race Studies and Modernism
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Leeth Singhage
Ida Fellow, Contingent
Student Wardrobe Supervisor, Contingent
Undergraduate, Management Science and Engineering
Undergraduate, Theater and Performance StudiesBioLeeth Singhage is an actor, writer, and producer from Sri Lanka, pursuing dual degrees in Management Science & Engineering (B.S.) and Theater & Performance Studies (B.A.) at Stanford. His creative work often investigates pressing current events and explores themes of identity, resilience, and cross-cultural storytelling. His writing credits include QUARANteen (2021), a verbatim-theater production on the teen experience of the COVID19 lockdowns, GROWTHesque (2022-23), a meta exploration of Sri Lanka's political and economic crisis hosted at the Edinburgh Fringe and NYC's United Solo festivals and filmed by Kehelmala Studios, Lab-Grown Meat (2023) a solo play on the incipient alt-meat industry produced at Stanford, and Yakada Yaka (2026), a full-length play on suicide currently in development in Sri Lanka and in the U.S.
Beyond appearances in his original work produced under SarongHoodie, Leeth has played lead roles across theater and screen internationally for over 10-years. Select acting credits include: "Shaan Murthy" in British TV series The Good Karma Hospital - Season 4 (2022) by Tiger Aspects Productions, "Friedrich" in the Broadway touring production of The Sound of Music (2018) by Andrew Lloyd Webber's The Really Useful Group, "Kalana" in multiple award-winning Grease Yaka Returns (2019-20) by AnandaDrama, "Ariel" in The Workshop Players' Shakespeare in the Park production of The Tempest (2017) by AnandaDrama, and "Peter Pan" in Peter Pan the Musical (2016) by COLD Theatre 7.
Leeth has worked in development for Academy® Award-winning filmmakers Jimmy Chin and Chai Vasarhelyi at Little Monster Films, for the multiple Emmy® Award-winning team at Baboon Animation, and for Sri Lankan production company, Kehelmala. Through his cross-cultural storytelling company, SarongHoodie, he aims to increase international representation of underprivileged communities in film and television.
