on operator theory and harmonic analysis and their applications

workshop poster otha spring 23.jpg
International scientific workshop OTHA Spring 2023 will be held on 18-22 April 2023 in Institute of Mathematics of NAS RA (Yerevan). The Workshop is celebrating the 80th anniversary of the National Academy of Sciences of Armenia.

18 April - arrival
19-20 April - working days
21 April - excursion
22 April - departure

The program of the workshop will include a number of invited lectures.


As a satellite session, one more extra day of the workshop will be held at the Southern Federal University on April 28, 10:00-20:00 at the Institute of Mathematics, Mechanics and Computer Sciences: PROGRAM

OTHA workshops are part of the OTHA conference/workshops/seminars/editorial activities https://otha.sfedu.ru/ , http://msrn.sfedu.ru/

The book exhibition by Springer Nature.

As a part of the OTHA Spring-2023 Workshop, representatives of Springer Nature will be exhibiting some interesting books and journals. Participants of the workshop will receive a 20% discount on orders of Springer books.

Springer www.springer.com is a global publisher dedicated to providing the best possible service to the whole research community. Helping authors to share their discoveries, enable researchers to find, access and understand the work of others and support librarians and institutions with innovations in technology and data. Springer as a part of Springer Nature uses their position and influence to champion the issues that matter to the research community – standing up for science, taking a leading role in open research and being powerful advocates for the highest quality and ethical standards in research.

The special (thematical) issue in the Journal of Mathematical Sciences.

Following the workshop, a special thematic issue is planned in the Journal of Mathematical Sciences (Springer Nature) https://www.springer.com/journal/10958 . Interested researchers and participants of OTHA Spring 2023 are welcome to submit their manuscripts.

Journal of Mathematical Sciences (Series A) is a partner of OTHA conference series.

Journal of Mathematical Sciences (Series A) publishes articles covering a wide range of topics, including mathematical analysis, probability, statistics, mathematical physics, PDE's, etc. The submitted articles must be written in English and should be in the broad focus of the journal (see Aims and Scope). The regular review policy will be applied to each paper. Submissions must meet high scientific publication standards with clear evidence of the novelty and scientific importance of the results.

Conference is supported by Regional Mathematical Center SFedU, project of the Ministry of Science and Higher Education RF, agreement № 075-02-2023-924 dated 16.02.2023.


  • The international conference "Workshop OTHA Fall 2022" was held in Sirius, Sochi.
    The international conference "Workshop OTHA Fall 2022" was held in Sirius, Sochi, from December 18 to 22, 2022. Leading experts and young scientists from Moscow, Rostov-on-Don, St. Petersburg, Vladikavkaz, Yaroslavl, Belgorod, Sweden, Armenia, Belarus, Mexico, and Ecuador participated in the conference.
  • Professor Armen Kamalyan has taught a series of lectures to SFedU students
    From October 26 to November 23 Professor of the Institute of Mathematics of National Academy of Sciences of the Republic of Armenia Armen Kamalyan taught a series of 5 online lectures "Fredholm operators" for students and postgraduates of mathematical specialties. The event was organized by the Regional Mathematical Center of the Southern Federal University.
  • ISAAC Newsletter - December 2022
    The International Society of Analysis, Applications and Computation (ISAAC) released the Newsletter of activities in 2022 of the Special Interest groups and main ISAAC-related events.
  • The Regional Mathematical Center 2022
    The Regional Mathematical Center of SFedU summed up the results of its activities in 2022. The main indicators of the development program were achieved with a margin.

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