01.01.01 (Real analysis, complex analysis, and functional analysis)
Birth date:
12.10.1973
E-mail:
Keywords:
Approximation theory,
trigonometrical inequalities,
spaces with asymmetrical norm,
the differential equations,
regulyarizovanny traces of differential operators,
eigenvalues of differential operators,
the operator Sturm–Liouville.
A. I. Kozko, “On some convergence tests for alternating series and constant sign series”, Chebyshevskii Sb., 18:1 (2017), 123–133
2011
2.
A. I. Kozko, A. S. Pechentsov, “Regularized traces of singular differential operators with canonical boundary conditions”, Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2011, 4, 11–17
2010
3.
A. I. Kozko, A. S. Pechentsov, “The spectral function of a singular differential operator of order $2m$”, Izv. RAN. Ser. Mat., 74:6 (2010), 107–126; Izv. Math., 74:6 (2010), 1205–1224
2008
4.
A. I. Kozko, A. S. Pechentsov, “Regularized Traces of Higher-Order Singular Differential Operators”, Mat. Zametki, 83:1 (2008), 39–49; Math. Notes, 83:1 (2008), 37
2005
5.
A. I. Kozko, “Asymptotics of the Spectrum of the Differential Operator $-y"+q(x)y$ with a Boundary Condition at Zero and with Rapidly Growing Potential”, Differ. Uravn., 41:5 (2005), 611–622; Differ. Equ., 41:5 (2005), 636–648
2004
6.
A. I. Kozko, A. V. Rozhdestvenskii, “On Jackson's inequality for a generalized modulus of continuity in $L_2$”, Mat. Sb., 195:8 (2004), 3–46; Sb. Math., 195:8 (2004), 1073–1115
2003
7.
A. I. Kozko, A. V. Rozhdestvenskii, “On Jackson's Inequality for Generalized Moduli of Continuity”, Mat. Zametki, 73:5 (2003), 783–788; Math. Notes, 73:5 (2003), 736–741
2002
8.
A. I. Kozko, “On the order of the best approximation in spaces with asymmetric norm and sign-sensitive weight on classes of differentiable functions”, Izv. RAN. Ser. Mat., 66:1 (2002), 103–132; Izv. Math., 66:1 (2002), 103–131
1998
9.
A. I. Kozko, “Fractional derivatives and inequalities for trigonometric polynomials in spaces with asymmetric norms”, Izv. RAN. Ser. Mat., 62:6 (1998), 125–142; Izv. Math., 62:6 (1998), 1189–1206
10.
A. I. Kozko, “Multidimensional inequalities between distinct metrics in spaces with an asymmetric norm”, Mat. Sb., 189:9 (1998), 85–106; Sb. Math., 189:9 (1998), 1361–1383
1997
11.
A. I. Kozko, “Analogs of the Jackson–Nikol'skii inequalities for trigonometric polynomials in spaces with nonsymmetric norm”, Mat. Zametki, 61:5 (1997), 687–699; Math. Notes, 61:5 (1997), 574–584
12.
A. I. Kozko, “On an extremal problem for polynomials in a multi-dimensional case”, Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1997, 6, 66–68
2018
13.
B. A. Budak, D. V. Goryashin, A. S. Zelenskii, A. I. Kozko, V. S. Panferov, A. G. Razborov, I. N. Sergeev, I. A. Sheipak, “Олимпиада «Ломоносов»-2018. Математика”, Kvant, 2018, 11, 54–55
2017
14.
D. V. Goryashin, A. S. Zelenskii, A. I. Kozko, L. V. Kritskov, V. S. Panferov, A. G. Razborov, I. N. Sergeev, I. A. Sheipak, M. V. Yumashev, “Олимпиада «Покори Воробьевы горы!»”, Kvant, 2017, 9, 53–55
15.
D. V. Goryashin, A. S. Zelenskii, A. I. Kozko, L. V. Kritskov, V. S. Panferov, A. G. Razborov, I. N. Sergeev, I. A. Sheipak, M. V. Yumashev, S. S. Chesnokov, “Олимпиада «Ломоносов»-2017”, Kvant, 2017, 4, 52–58
Presentations in Math-Net.Ru
1.
О нижней границе спектра оператора Штурма–Лиувилля на полуоси A. I. Kozko XV International Conference «Algebra, Number Theory and Discrete Geometry: modern problems and applications», dedicated to the centenary of the birth of the Doctor of Physical and Mathematical Sciences, Professor of the Moscow State University Korobov Nikolai Mikhailovich May 31, 2018 15:30
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