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Researches in Mathematics最新文献

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Necessary conditions of extremality in one problem of approximation theory 近似理论中一个问题极值性的必要条件
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246710
N. Korneichuk
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引用次数: 0
Estimate of error of cubature formula for the class of differentiable $2pi$-periodic functions of two variables 二元可微$2pi$-周期函数的数学公式误差估计
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246920
V. M. Alkhimova
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引用次数: 0
Development of researches on geometry in Dnipropetrovsk State University 第聂伯罗彼得罗夫斯克国立大学几何学研究的发展
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246704
B. S. Vakarchuk, E. F. Lishchinskii
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引用次数: 0
To synthesis of optimizing digital-analog device by dynamic programming method in continuously-discrete form 用连续离散形式的动态规划方法综合优化数模器件
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246906
M. M. Ivakhnenko, A. Zlatkin
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引用次数: 0
On the best approximation of two-variable functions of class $Z_2$ by some linear operators Z_2$类两变量函数的一些线性算子的最佳逼近
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246901
V. P. Bugaets
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引用次数: 0
On one generalization of cut surfaces 关于切割表面的一个概括
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246919
B. S. Vakarchuk, P. T. Stepanenko
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引用次数: 0
Tauberian theorems for absolute summability 绝对可和性的Tauberian定理
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246716
K. M. Slepenchuk
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引用次数: 0
On approximation of two-variable function by linear positive polynomial operators 二元函数的线性正多项式逼近
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246702
V. P. Bugaets
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引用次数: 0
Longitudinal oscillations of relaxating rod with free endpoints 具有自由端点的松弛杆的纵向振荡
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246712
S. Kritskaia
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引用次数: 0
Screw surfaces in Lobachevskii space Lobachevskii空间中的螺旋曲面
Researches in Mathematics Pub Date : 2021-07-10 DOI: 10.15421/246705
A. A. Vakarchuk, P. T. Stepanenko
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引用次数: 0
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