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Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series

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Finding the areas of convergence and calculating the sums of power series of an h-complex variable

https://doi.org/10.29235/1561-2430-2020-56-2-189-193

Abstract

Herein, taking power series from a real variable that converge on a certain interval to known sums, the authors consider the power series with the same coefficients from an h-complex variable. For such series, the interiors of the regions of convergence are found, and their sums are explicitly expressed in terms of the sums of the original series. Along the way, the problem of isolation conditions for the zeros of the sums of such series is solved.

About the Authors

E. I. Zverovich
Belarusian State University
Belarus

Edmund I. Zverovich – Dr. Sc. (Physics and Mathematics), Professor, Professor of the Department of Function Theory

4, Nezavisimosti Ave., 220030, Minsk



V. A. Pavlovsky
Belarusian State University
Belarus

Vladislav A. Pavlovsky – Postgraduate Student

4, Nezavisimosti Ave., 220030, Minsk



References

1. Antonuccio F. Semi-Complex Analysis and Mathematical Physics. 2008. Available at: https://arxiv.org/pdf/grqc/9311032.pdf

2. Field M. Several Complex Variables and Complex Manifolds II. Cambridge University Press, 1982. https://doi.org/10.1017/CBO9780511629327

3. Rosenfeld B. A. Non-Euclidean geometries. Moscow, Nauka Publ., 1969. 548 p. (in Russian).

4. Ivlev D. D. On double numbers and their functions. Matematicheskoe prosveshchenie [Math Education], 1961, iss. 6, pp. 197–203 (in Russian).


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ISSN 1561-2430 (Print)
ISSN 2524-2415 (Online)