Abstract
Let X be a sufficiently great real number and M denote the set of natural numbers not exceeding X which cannot be written as a sum of a prime and a fixed degree of a prime number from the arithmetical progression with difference d. Let Ed(X) = cardM. We obtain a new numerical degree estimate for the set Ed(X) and an estimate from below for the number of presentations of n ∉ M in the specified type. The proven estimates refine the generalization for an arithmetical progression of results earlier got by V.A. Plaksin.
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Russian Text © The Author(s), 2020, published in Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2020, No. 1, pp. 11–25.
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Allakov, I., Safarov, A.S. On the Exceptional Set of the Sum of a Prime Number and a Fixed Degree of a Prime Number. Russ Math. 64, 8–21 (2020). https://doi.org/10.3103/S1066369X20010028
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DOI: https://doi.org/10.3103/S1066369X20010028