From the 12 December issue, lots of AI entries in Nature (soon moving to NAIture??), from the arrival of AGI, artificial general intelligence, and the usual barren call for companies to take responsibility (!) and equally repeated pious wishes for (better) controlling the incoming “human intelligent” AIs, to the two year anniversary of ChatGPT, which came as a significant support to non-native English speakers, if raising concern about the privacy losses in delivering unprotected data to the model, to the incoming dearth of data to feed AIs (duh? why would new data be necessary for new AI systems?), with the danger that using AI generated data to train new AIs is not good being repeated anew, to the poor performances of LLMs on African languages, and the correlated dearth of funding in Africa, to DeepMind doing better than weather agency supercomputers to predict weather on a 15 day window, including extreme weather events (not much of a surprise, as climate change does not mean that history of past weather patterns cannot be exploited) albeit the probabilistic nature of the forecast seems to derive from the randomness of the starting conditions, hence depends on the choice of that distribution, to the (unsurprising) 50% productivity boost in design in a material science company afforded by seconding (or supplanting!) researchers with AI tools, to the poor design of bar plots (inc. Nature) that induce misunderstandings. A fair degree of double entries when considering the earlier 5 December issue, also read in the plane, with again fossilized poo, AI soon reaching human intelligence level (??), and the AI computing gap between academy and industry. Beside this AI frenzy, a news article reporting on the EU trying to create an applied research council equivalent to what the ERC succeeded for academic research. (And I will not mention the digestive track article further than pointing out it added bromalite, cololite, and regurgitalite, to my digestive vocabulary!)
Archive for Bangalore
Tanuka Chattopadhyay (26 Jan 1963 – 16 Oct 2023)
Posted in Statistics, Travel, University life with tags applied mathematics, ASI, Astrophysics, astrostatistics, Bangalore, IAU, India, ISI, IUCAA, Kolkata, obit, Pune, Statistics, University of Calcutta, West Bengal on November 25, 2023 by xi'an
Most sadly, I learned today that applied mathematics Professor Tanuka Chattopadhyay, from the University of Calcutta, had passed away last month. We had been briefly collaborating after I met her and her husband Asis Chattopadhyay, also Professor of Statistics at the University of Calcutta, following a Franco-Indian workshop in Bangalore. Discussing research directions in astrostatistics in Kolkata and later in Paris, when they visited. We had not been in touch for a few years and I was not aware she was severely ill. Dedicated researcher and mentor, as well as contributing to the administration of the University in many ways, she was versed in classical Indian culture and I will keep the memory of our conversations, esp. the one on New Year’s Ewe in Kolkata.
What follows is an obituary written by Professor Ajit Kembhavi.
Professor Tanuka Chattopadhyay (née Kanjilal), a member of the Astronomical Society of India, passed away on October 16th this year, at the age of 60, after a long and heroic battle with cancer. She was a Professor in the Department of Applied Mathematics of the University of Calcutta. She has been Head of the Department and Dean, Faculty of Science, Calcutta University. At her demise she was Director, Center for Research in Nanoscience and Nanotechnology of the University.Tanuka was from an early age very interested in mathematics. To take that interest further, she joined Presidency College, Kolkata from where she completed her degree in Mathematics with Honours in 1983. For post graduate studies she joined the Department of Applied Mathematics where she got interested in Astrophysics. She later worked for a Ph.D. under the supervision of Professor Baidyanath Basu on Explosion in the central region of the Galaxy, the consequent star formation, formation of molecular clouds and structure of shocks.
Over the years Tanuka worked on a variety of topics. Her earliest papers were on squalls, thunderstorms and convective instability. From these terrestrial considerations her interest soon shifted to molecular clouds, star formation and density waves in the Galaxy. In later years she worked on globular clusters, galaxies with special interest in dwarf and ultra-compact galaxies, Gamma-ray bursts, statistical simulation and computation. In much of her work she used advanced statistical methods to get the most out of available astronomical data. She has published about 50 papers in international journals, and written four books, including Statistical Methods for Astronomical Data Analysis written with her husband Professor Asis Kumar Chattopadhyay, published by Springer and awarded an outstanding publication award in Astrostatistics by the International Astrostatistics Association. Tanuka successfully completed several national and international funded projects and was a frequent visitor to several leading universities in Canada, France and the USA, where she had long collaborations. She supervised a number of Ph.D. students and was a respected teacher and mentor.Tanuka was a Visiting Associate of IUCAA, Pune from 2002 until she passed away. I met her during her first visits to IUCAA, and we soon became friends and collaborators. We were later joined by her husband Asis Chattopadhyay, who is a Professor at the Department of Statistics in the University of Calcutta and was a Pro-Vice Chancellor and Acting Vice Chancellor of the University. Asis soon became a Visiting Associate of IUCAA and the three of us organised a number of workshops in Kolkata and other places on statistical methods and their application to the analysis of astronomical data. Tanuka was a Fellow of West Bengal Academy of Science and member of several organisations including the International Astronomical Union (IAU), Astronomical Society of India, and the International Astrostatistics Association.Using funds obtained under the DST PURSE programme, Tanuka obtained a 14” optical telescope. This was installed in 2015 on the terrace of a building in Rajabazar College and was used for sky watching, as well as carrying our research projects, by students of the Department of Applied Mathematics and other departments of the University. She was also planning to start an outreach programme for school children in Kolkata. Making the telescope available was an exemplary initiative from a person who was a mathematician and a theoretical astrophysicist.In spite of her illness, which stretched over several years, Tanuka remained brave, cheerful and full of spirit, and continued to work very hard. A few months ago, she, Dipankar Banerjee and I were speakers at a meeting celebrating the birth centenary of Professor M. K. Dasgupta. It was impossible for me to then believe that the dynamic speaker was gravely ill, with further treatment not really possible. She talked to me about a visit to IUCAA in December and I was sure she would really come. But about five weeks after the event, she had to be admitted to hospital one night, after having spent the evening attending a meeting in the Vice-Chancellor’s office. She did not return.Tanuka had many interests outside astrophysics. She wrote two Bengali novels Bibashan and Gandhari Santoti. She was completing her first English novel when she passed away, which her family hopes to publish posthumously. She had an artistic nature, had formal training in music and dance and was greatly interested in travel and culture. She was a wonderful wife, mother and mother-in-law, a great hostess and beloved friend, and respected guide and mentor to many. She will be greatly missed.Ajit Kembhavi
IUCAA and Pune Knowledge Cluster
a passage to & from India
Posted in pictures, Running, Statistics, Travel, University life with tags Bangalore, Bengaluru, Flybus, IISA, Indian Institute of Science, International Indian Statistical Association, jatp, Karnataka, Mysore, Mysuru, poster session, Restore, RJMCMC, swimming pool, Tata Institute, train travel on January 10, 2023 by xi'an
Our trip from Paris (CDG) to Bengaluru got a wee bit (!) perturbed by 2x bad luck, with a first plane grounded for damages to a wing and a second plane flashing an alarm signal just as it was accelerating to take off, which induced an extra hour of tests, plus an unexpected long wait to get the e-visa at the Bengalore airport, resulting in an arrival in town at 5:30 am! A good thing that my talk was only the next day.
I was glad to be back at the (Tata) Indian Institute of Science and its wonderful campus for the IISA meeting (taking place alternately in India and in the US). The conference program was rich and with a large Bayesian component, but being sleep deprived and slightly sick did not help with my concentration during the talks… Had however nice discussions during the poster session, including one on a most unusual RJMCMC where the model-to-model transform was the identity. In a sense this voided (?) the need for RJMCMC, but it allowed for a fast & valid exploration of the different models.
Quite a contrast in my local lodging conditions, when compared with my previous visit, since, rather than staying in the ideal visitors’ lodge located at the centre of the campus, I took the (bargain) offer (from IISA) of the nearby Sheraton (!) as the conference hotel with five star conditions, including a proper, outside, empty and non-heated swimming pool.
The (touristy) train trip to Mysore was most pleasant, on an air-conditioned carriage with food vendors proposing their wares all along the journey, great views of the countryside and an arrival sharp on time. The reverse trip to the airport was less successful as the FlyBus we took was crawling rather than flying, with heavy traffic all the way because/despite being New Year Eve’ning. At some point, a truck carrying what looked like kindling was stuck in a pothole, blocking the highway, and a crane was brought on site to push the truck out of the hole, a strategy that surprisingly worked. But we managed to reach the airport just before midnight, when absolutely nothing happened in relation with the entry into 2023! 
ಬೆಂಗಳೂರು ಸ್ನ್ಯಾಪ್ಶಾಟ್⁷ [jatp]
Posted in pictures, Running, Travel with tags Bangalore, Bengaluru, construction work, India, jatp, Karnakata, street view on January 2, 2023 by xi'an
ಬೆಂಗಳೂರು ಸ್ನ್ಯಾಪ್ಶಾಟ್⁵ [jatp]
Posted in pictures, Travel with tags Bangalore, Bengaluru, Bollywood, India, Indian movies, jatp, Karnataka, poster, street view, temple on December 30, 2022 by xi'an