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The Third World Logic Day – January 14, 2021
The Third World Logic Day will be celebrated all over the world on January 14, 2021, with a series of scientific events. The World Logic Day was organized for the first time on January 14, 2019. The date of January 14 is related to two of the most prominent logicians of the twentieth century. January 14, 1978, is the date of death of Kurt Gödel and January 14, 1901, is the date of birth of Alfred Tarski.
Based on the success of this First World Logic Day, on 26 November 2019, UNESCO proclaimed 14 January to be World Logic Day and included it in its list of International Days. The event is very popular worldwide. Last year there were 60 scientific events in 35 countries and this year 45 events in 27 countries have already been registered.
To mark the day the logicians from the Bulgarian Academy of Sciences and from Sofia University “St. Kliment Ohridski” have decided to organize a joint event on the occasion of the World Logic Day 2021. The event is included in the official program of the Third World Logic Day.
A joint meeting of the Seminar of Algebra and Logic of the Institute of Mathematics and Informatics at BAS, the Seminar of Mathematical Logic of the Faculty of Mathematics and Informatics of Sofia University “St. Kliment Ohridski”, and the Seminar of Logic of the Institute of Philosophy and Sociology at BAS has been organized.
The event will take place via Zoom on January 15, 2021 (Friday) from 9:30 am local time (UTC+2). Everybody is cordially invited to attend by following the link:
https://us02web.zoom.us/j/84006543603?pwd=UjVMK0dFaFJwN2t6L1pPR2FhT2o0dz09
Time: Jan 15, 2021, 09:30 Sofia
Meeting ID: 840 0654 3603
Passcode: 116245
The programme is available here.
There will be 10 talks from the three scientific institutions. Since many scientific events are planned worldwide for January 14, the organizers of the joint seminar have decided to schedule the event for January 15, 2021.
Official guests of the joint seminar, who will participate at the opening ceremony, are:
- Her Excellency Maria Edileuza Fontenele Reis, Ambassador of the Federative Republic of Brasil to the Republic of Bulgaria and the Republic of North Macedonia. As a former Ambassador of the Federative Republic of Brazil at UNESCO, she succeeded to include the World Logic Day in the UNESCO Calendar of International Days.
- Karina Angelieva, Deputy Minister of Education and Science.
- Acad. Julian Revalski, President of the Bulgarian Academy of Sciences.
- Prof Anastas Gerdjikov, Rector of Sofia University “St. Kliment Ohridski”.
An official guest for the afternoon session of the event will be Prof. Jean-Yves Béziau, Creator of the World Logic Day and Editor-in-Chief of Logica Universalis.
The home page of the official World Welcome Celebration of January 14, 2021, is
http://www.logica-universalis.org/wld3
The page contains also a pre-recorded video address by Her Excellency Maria Edileuza Fontenele Reis to the worldwide community
that everybody can watch on
http://www.logica-universalis.org/wld3-brazilian-unesco-ambassador
Two of our colleagues, Alexandra Soskova and Valentin Goranko, are among the official guests of the ceremony.
Department of Algebra and Logic, IMI-BAS
http://www.math.bas.bg/algebra/seminarAiL/
Merry Christmas and Happy New Year!
The Institute of Mathematics and Informatics at the
Bulgarian Academy of Sciences
wishes you
Merry Christmas and
Happy and successful New Year!
The Nobel Prize in Physics for 2020 was awarded to a mathematician
This year Nobel prize in Physics is awarded for two independent contributions. One half was awarded to Roger Penrose for the discovery that black hole formation is a robust prediction of the general theory of relativity, the other half jointly to Reinhard Genzel and Andrea Ghez for the discovery of a supermassive compact object at the centre of our galaxy.
Roger Penrose is an eminent British mathematician and mathematical physicist. He is Emeritus Rouse Ball Professor of Mathematics at the University of Oxford. Penrose has made contributions to the mathematical physics of general relativity and cosmology. This year he was awarded half of the Nobel prize for Physics for his analysis of black hole formation in general relativity. His main contribution is the proof that the curvature singularity of a black hole is not an artefact of the symmetry, a common belief at the time, but inevitably forms as long as a trapped surface exists. In other words, as long as there are an apparent horizon a curvature singularity forms independent on the shape of the horizon. This is an extremely important discovery as it demonstrates that perturbations and deviations from spherical (or axial) symmetry do not destroy the structure of a black hole proving that black holes are a robust prediction of the theory of general relativity. Among his numerous other contributions is the formulation of the cosmic censorship hypothesis, stating that singularities need to be hidden from an observer at infinity by the event horizon of a black hole.
Reinhard Genzel is a German astrophysicist, co-director of the Max Planck Institute for Extraterrestrial Physics and Andrea Mia Ghez is an American astronomer and professor in the Department of Physics and Astronomy at UCLA. They both lead groups of astronomers that, since the early 1990s, have focused on a region called Sagittarius A* at the centre of our galaxy. The measurements of these two groups agree, with both finding an extremely heavy, invisible object that pulls on the jumble of stars, causing them to rush around at dizzying speeds. Around four million solar masses are packed together in a region no larger than our solar system. Their pioneering work has given us the most convincing evidence yet of a supermassive black hole at the centre of the Milky Way.
Tenth International Conference on Digital Presentation and Preservation of Cultural and Scientific Heritage—DiPP2020
The Tenth International Conference on Digital Presentation and Preservation of Cultural and Scientific Heritage—DiPP2020 aims at presenting innovative results, research projects, and applications in the field of digitisation, documentation, archiving, representation, and preservation of global and national tangible and intangible cultural and scientific heritage. The main focus is to provide open access to digitised cultural heritage and to set up sustainable policies for its continuous digital preservation and conservation. The priority area is the digital presentation and preservation of cultural and historical objects under conditions of risk, including those from the Burgas region.
The forum will demonstrate innovative technologies and prototypes, including digital repositories, digital archives, virtual museums, and digital libraries, which result from established practices and achievements in the field. Representatives of public and specialised libraries, museums, galleries, archives, centers, both national and foreign research institutions, and universities are invited to participate and exchange experiences, ideas, knowledge, and best practices of the field.
DiPP2020 Programme is available at: http://dipp2020.math.bas.
Greta Panova, University of Southern California, is the winner of the IMI prize for 2020
Greta Panova, associate professor at the University of Southern California, is the recipient of the IMI Prize for 2020.
Greta Panova was born in Sofia. She graduated from the National High-School of Mathematics and Natural Sciences in Sofia “Acad. Lyubomir Chakalov”. As a high-school student, she participated in three International Math Olympiads (1999 in Romania, 2000 in South Korea, 2001 in the USA) and won two silver and one gold medal.
She graduated from the Massachusetts Institute of Technology in 2005 with a Bachelor’s degree, received a Master’s degree from the University of California Berkeley in 2006, and finished her Ph.D. at Harvard in 2011 under the supervision of Richard Stanley.
In 2011, Greta Panova received a Simons Postdoctoral Fellowship at the University of California Los Angeles, intermittently she was also a postdoc at the Mathematical Sciences Research Institute (Berkeley) in 2012. In 2014 she became an Assistant Professor at the University of Pennsylvania (Penn), promoted to Associate Professor with tenure in 2018. Since 2018, she has been an Associate Professor at the University of Southern California. In 2017-2018 she was a von Neumann Fellow at the Institute for Advanced Study in Princeton. She has also held invited Visiting Professorship positions at Institute Henry Poincare (Paris) in 2017, Simons Institute for the Theory of Computing (Berkeley) in 2018 and Mittag-Leffler Institute (Stockholm) in 2020.
Throughout her studies and career, she has been a recipient of National Science Foundation awards, research fellowships, and other awards, including a third prize at the Putnam competition as an undergraduate and the best student paper award at the Formal Power Series and Algebraic Combinatorics Conference (Reykjavik, 2011). Besides the visiting positions, she has been a plenary speaker at the Formal Power Series and Algebraic Combinatorics conference (London, 2017), Algebraic and Enumerative Combinatorics in Okayama conference (Japan, 2018), Graduate Combinatorics Conference at Max-Planck Institute in Leipzig (Germany, 2019) and several regional Combinatorics conferences.
Greta Panova works in the area of Algebraic Combinatorics and its applications in Computational Complexity Theory, Probability, and Statistical Mechanics. She has about 40 papers, among them publications in the Journal of the AMS, Advances in Mathematics, Annals of Probability. Many of results concern representation-theoretic multiplicities (notably the Kronecker coefficients of the symmetric group) and their use in the Geometric Complexity Theory for the study of computational lower and the separation of computational complexity classes, in particular disproving some of the main conjectures in the approach to proving the algebraic version of P vs NP. She has also applied symmetric function theory and other algebraic and combinatorial tools to reveal the limiting probabilistic behavior of dimer models in Statistical Mechanics.
The IMI Prize will be presented during the International Conference “Mathematics Days of in Sofia” in 2021.
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