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Professor Vlastimil Pták died. (English) Zbl 1055.01514
Professor Vlastimil Pták, an outstanding Czech mathematician, died on May 9, 1999.

##### MSC:
 01A70 Biographies, obituaries, personalia, bibliographies
obituary
Pták, Vlastimil
Full Text:
##### References:
 [1] Moderní analýza (Modern Analysis). SPN, Praha, 1974. [2] Nondiscrete Induction and Iterative Processes (with F. A. Potra). Research Notes in Mathematics 103, Pitman Advanced Publishing Program, 1984. [3] P. Vrbová: Sixty years of Professor Vlastimil Pták. Czechoslovak Math. J. 35 (1985), 662-669. · Zbl 0583.01013 [4] Z. Vavřín, M. Fiedler and V. Pták: Life and Work. Linear Alg. Appl. 223/224 (1995), 2-29. [5] Z. Vavřín: Seventy years of Professor Vlastimil Pták (bibliography and interview). Czechoslovak Math. J. 46 (1996), 337-349. · Zbl 0870.01015 [6] Block analogies of comparison matrices (with M. Fiedler). Lin. Alg. Appl. 256 (1997), 95-108. · Zbl 0874.15014 [7] Möbius functions of the shift. Linear Alg. Appl. 236 (1996), 45-53. · Zbl 0848.65017 [8] Czechoslovak Math. J. 122 (1997), 127-134. · Zbl 1170.01336 [9] A new positive definite geometric mean of two positive definite matrices (with M. Fiedler). Linear Alg. Appl. 251 (1997), 1-20. · Zbl 0872.15014 [10] Strong majorization for hermitian matrices (with M. Fiedler). Linear Alg. Appl. 255 (1997), 281-301. · Zbl 0881.15008 [11] The Kantorovič inequality. Amer. Math. Monthly 102 (1995), 820-821. · Zbl 0856.26011 [12] Factorization of Toeplitz and Hankel operators. Math. Bohem. 122 (1997), 131-145. · Zbl 0892.47026 [13] Any nonincreasing convergence curve is possible for GMRES (with A. Greenbaum and Z. Strakoš). SIAM J. Matr. Anal. Appl. 17 (1996), 465-469. · Zbl 0857.65029 [14] Generating functions and Bezoutians. Math. Bohem. 121 (1996), 183-188. · Zbl 0863.15002 [15] Some inequalities related to $$M$$-matrices (with M. Fiedler). Math. Inequalities Appl. 1 (1998), 171-176. · Zbl 0907.15012 [16] Krylov sequences of maximal length and convergence of GMRES (with M. Arioli and Z. Strakoš). BIT 38 (1998), 636-643. [17] Extending the notions of companion and infinite companion to matrix polynomials (with M. van Barel and Z. Vavřín). Linear Alg. Appl. 290 (1999), 61-94. [18] Combinatorial methods in analysis. ISC Acad. Tech. Rep. 793 (1999), 1-25. [19] Bézout and Hankel matrices associated with row reduced matrix polynomials. Barnett-type formulae (with M. van Barel and Z. Vavřín). [20] Partial isometries whose powers are partial isometries (with C. Mancera, P. Paúl and V. Vasjunin).
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