In memory of Prof. Yaroslav Tagamlitzki


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Tagamlitzki's School Contents Background Tagamlitzki's circle Circle participants Tagamlitzki's Doctoral students Tagamlitzki's Master students Background In 1943 Tagamlitzki defended his Ph.D. at Leipzig University, where he specialised under the prominent mathematicians Paul Koebe and van der Waerden. His thesis (supervisor Paul Koebe) was: "Zum allgemeinen Kreisnormierungsprinzip der konformen Abbildung" (To the general circle normalisation principle of conform mappings). Tagamlitzki's circle Back in Bulgaria, Tagamlitski eventually succeeds Prof. Kyrille Popoff as head of the Chair of Calculus at Sofia University, and in the early 50ies, initiates his famous Calculus (later Functional analysis) circle. In the following decades this circle becomes the focus of the numerous assistants, doctoral students, demonstrators, and students, who determine the overall development of contemporary Bulgarian mathematics in the 20th century. Circle participants The list below is by no means exhaustive. It contains the names of the more notable participants in Tagamlitzki's Functional analysis circle (in lexicographic order by name): Apostol Obretenov, Blagovest Sendov, Boyan Penkov, Dimitar Dobrev, Dimiter Skordev, Dimitrichka Shopova, Doitchin Doitchinov, Emanuil Dimitrov, Ivan Dimovski, Ivan Prodanov, Ivan Raychinov, Ivan Todorov, Nikolay Khadzhiivanov, Nikolay Stoev, Stancho Dimiev, Todor Genchev, Vladimir Alexandrov, Vladimir Chakalov, Vladimir Lubih, etc. Tagamlitzki's Doctoral students Tagamlitzki's doctoral students during 1952 – 1982 have been (in lexicographic order by first name): Aleksander Aleksandrov, Dimiter Skordev, Elena Ljubenova, Ivan Prodanov, Khristo Boyadzhiev, Minh Thai Nguyen (Vietnam), Todor Genchev, Vasil Tsanov, Vladimir Chakalov. Between 1957 and 1978 the following doctoral students of Tagalitzki have defended Ph.D. theses (in lexicographic order by first name): Elena Ljubenova, Ivan Prodanov, Khristo Boyadzhiev, Minh Thai Nguyen (Vietnam), Vasil Tsanov, Vladimir Chakalov. The theses, defended by Dimiter Skordev and Todor Genchev in the late sixties, were produced with no advisor officially, but in fact Tagamlitzki must be credited as their counselor. Tagamlitzki's Master students The list below is by no means exhaustive, It is based mainly on theses, found in Tagamlitzki's university archives. The leftmost year is written on the thesis itself. A letter "Т" in the second column means that Tagamlitzki has been explicitly credited as advisor on the title page of the thesis, and a question mark in the same column means "no advisor name" (there is a thesis, which also lacks the year info). ????? ? Ivan Raychinov Simeonov 1955 ? Aleksandar Dimitrov Danov 1955 ? Nikolay Lyubenov Stoev 1955 ? Stancho Genchev Stanchev 1956 ? Blagovest Hristov Sendov 1956 T Ivan Todorov Todorov 1956 ? Todor Donchev Dimitrov 1957 ? Georgi Hristoskov Kirov 1957 T Ivan Hristov Dimovski 1957 ? Teodora Aleksandrova Kirpikova 1958 T Dimiter Genchev Skordev 1958 T Rumen Vasilev Grozdanov 1958 T Spiro Vasil Makochi 1958 T Stoyan Stoilov Stoyanov 1959 T Ivan Rachev Prodanov 1959 T Ilia Petrov Iliev 1961 ? Nikolay Georgiev Hadzhiivanov 1966 T Kostadin Petrov Dinchev 1966 T Petar Spiridonov Nedevski 1968 T Yanko Tsvetanov Kintishev 1969 ? Boyan Marinov Bonev 1969 T Roni Nisim Levi 1969 T Toma Vasilev Tonev 1971 T Dimitar Petkov Kehayov 1971 T Yuriy Fyodorov Grebchenko 1972 T Vasil Valdemarov Tsanov 1972 T Elena Todorova Lyubenova 1972 T Nikolay Sashov Bozhinov 1972 T Hristo Nonev Boyadzhiev 1975 ? Avram B. Ronkov 1976 T Silvia Borisova Yacheva 1977 T Boris Ivanov Starchev 1977 T Elisaveta Dimitrova Vatralova 1977 T Maria Ivanova Hristova 1977 T Neli Racheva Angelova 1977 T Petar Tomov Yanakiev 1978 T Diana Zheliazkova Anastasova 1978 ? Nikolay Georgiev Nikolov 1978 T Rumen Tsanev Marinov 1979 T Manol Yankov Iliev 1979 T Hristo Yordanov Hristov 1979 T Yulian Lyubenov Dimitrov 1982 T Aleksandar Kirilov Aleksandrov 1983 T Vladimir Dimitrov Babev 