Evgenii Georgievich Dyakonov (russian: Евгений Георгиевич Дьяконов) (July 2, 1935 – August 11, 2006) was a Russian

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

. Dyakonov was a Ph.D. student of

Sergei Sobolev Prof Sergei Lvovich Sobolev (russian: Серге́й Льво́вич Со́болев) H FRSE (6 October 1908 – 3 January 1989) was a Soviet mathematician working in mathematical analysis and partial differential equations. Sobolev introduc ...

. He worked at the

Moscow State University M. V. Lomonosov Moscow State University (MSU; russian: Московский государственный университет имени М. В. Ломоносова) is a public research university in Moscow, Russia and the most prestigious ...

. He authored over hundred papers and several books. Dyakonov was recognized for his pioneering work in the 60s–80s on efficient spectrally equivalent preconditioning for

linear systems In systems theory, a linear system is a mathematical model of a system based on the use of a linear operator. Linear systems typically exhibit features and properties that are much simpler than the nonlinear case. As a mathematical abstraction ...

and

eigenvalue In linear algebra, an eigenvector () or characteristic vector of a linear transformation is a nonzero vector that changes at most by a scalar factor when that linear transformation is applied to it. The corresponding eigenvalue, often denoted b ...

problems. In the last decade, strengthened

Sobolev space In mathematics, a Sobolev space is a vector space of functions equipped with a norm that is a combination of ''Lp''-norms of the function together with its derivatives up to a given order. The derivatives are understood in a suitable weak sense t ...

s became Dyakonov's main topic of research, e.g., (Dyakonov, 2004).

References

External links

Evgenii D'yakonov — scientific works on the website Math-Net.Ru
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obituary on NA Digest by Andrew Knyazev. Russian mathematicians Soviet mathematicians Numerical analysts Moscow State University alumni Moscow State University faculty 1935 births 2006 deaths {{mathematician-stub