The passing away of Pierre-Sylvain is definitely a great loss for Indology. Here are some of the reasons why I feel indebted to him.
I first met Pierre-Sylvain Filliozat when I attended his Sanskrit courses, and Guy Mazars' courses on History of Indian sciences, at the Ecole Pratique des Hautes Etudes, in the beginning of the 90s.
Pierre-Sylvain Filliozat was only a member of the jury of my thesis at the University of Brussels (2002), but he was its actual promoter and I heartily enjoyed his support, especially when I visited him in Mysore for three months in 1996. We met again at other occasions in India and I especially remember a visit to the Delhi Jantar Mantar in 2007. The attached picture shows Pierre-Sylvain on top of the arc of the great sundial.
After my thesis, he encouraged me to publish my edition and commentary (on Vedic ritual, on Mathematics and on the Manuscripts) of the Baudhāyana Śulbasūtra and its commentary by Dvārakānātha. This book was eventually published by Droz in 2016, with a preface by Pierre-Sylvain Filliozat, and awarded the prize Emile Sénart of the Académie des Inscriptions et Belles-Lettres in 2017. I am almost ready to publish it again in English, but I wonder who will now write its preface.
We collaborated also in 1998 for a special issue of the seminar of the Centre d'Histoire des Sciences et des Philosophies Arabes et Médiévales (U.R.A. 1085, dir.R.Rashed) about Indian mathematics (with publications in Oriens-Occidens). And again in 2013,  we organized, in the frame of Europalia India in Belgium, the cycle Les sciences de l'Inde (publication in 2015) and an exhibition, at the University of Brussels, which showed - among others - some documents from the Société Asiatique about Pierre-Sylvain's father Jean Filliozat, Gustave Liétard and Palmyr Cordier, all M.D.

I will definitely miss these collaborations with such a great scholar of Indology, and even more my speaking with such a kind and modest person, who addressed his interlocutor as his equal whatever his/her expertise in Indology.

Jean Michel Delire

Le lun. 30 déc. 2024 à 19:04, Jan E.M. Houben via INDOLOGY <indology@list.indology.info> a écrit :
Very sad to read about the passing away of Prof. Pierre-Sylvain Filliozat -- his second name was given to him by his father to honour Sylvain Lévi (1863-1935) -- a great savant and very kind person. His passing away is indeed a big loss to many domains of Sanskrit and Indian studies, grammar, Indian mathematics, archaeology... Condolences to his wife Dr. Vasundhara Filliozat, their family, his students and admirers. 
Jan Houben 

On Mon, 30 Dec 2024 at 15:45, Prof. Dr. Robert Zydenbos via INDOLOGY <indology@list.indology.info> wrote:
Dear list members,

It is with great sadness that I wish to inform you that our colleague Pierre-Sylvain Filliozat passed away in Paris on Dec. 28.

https://aibl.fr/membres-academiciens/filliozat-pierre-sylvain/

https://fr.wikipedia.org/wiki/Pierre-Sylvain_Filliozat

Robert Zydenbos

--
Prof. Dr. Robert J. Zydenbos / ಪ್ರೊ. ಡಾ. ರೊಬೆರ್ತ್ ಜೆಯ್ದೆನ್ಬೊಸ್
Institute of Indology and Tibetology
Department of Asian Studies
Ludwig-Maximilians-Universität München (University of Munich – LMU)
Germany


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Jan E.M. Houben

Directeur d'Études, Professor of South Asian History and Philology

Sources et histoire de la tradition sanskrite

École Pratique des Hautes Études (EPHE, Paris Sciences et Lettres)

Sciences historiques et philologiques 

Groupe de recherches en études indiennes (EA 2120)

johannes.houben [at] ephe.psl.eu

https://ephe-sorbonne.academia.edu/JanEMHouben

https://www.classicalindia.info


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