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Works (11)

On the average sum of the kth divisor function over values of quadratic polynomials

The Ramanujan Journal
2021-08 | Journal article
Part of ISSN: 1382-4090
Part of ISSN: 1572-9303
Source: Self-asserted source
Kostadinka Lapkova

DENSITY OF POWER-FREE VALUES OF POLYNOMIALS

Mathematika
2019-08 | Journal article
Part of ISSN: 0025-5793
Contributors: Kostadinka Lapkova; Stanley Yao Xiao
Source: Self-asserted source
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Correction to: Explicit upper bound for the average number of divisors of irreducible quadratic polynomials

Monatshefte für Mathematik
2018-08 | Journal article
Contributors: Kostadinka Lapkova
Source: check_circle
Crossref

Explicit upper bound for the average number of divisors of irreducible quadratic polynomials

Monatshefte für Mathematik
2018-08 | Journal article
Contributors: Kostadinka Lapkova
Source: check_circle
Crossref

On the average number of divisors of reducible quadratic polynomials

Journal of Number Theory
2017-11 | Journal article
Contributors: Kostadinka Lapkova
Source: check_circle
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On the k-free values of the polynomial $${xy^k + C}$$ x y k + C

Acta Mathematica Hungarica
2016-02 | Journal article
Part of ISSN: 0236-5294
Contributors: K. Lapkova
Source: Self-asserted source
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Explicit upper bound for an average number of divisors of quadratic polynomials

Archiv der Mathematik
2016-02-08 | Journal article
Part of ISSN: 0003-889X
Contributors: Kostadinka Lapkova
Source: Self-asserted source
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The class number one problem for the real quadratic fields $\mathbb {Q}(\sqrt {(an)^2+4a})$

Acta Arithmetica
2015 | Journal article
Part of ISSN: 0065-1036
Contributors: András Biró; Kostadinka Lapkova
Source: Self-asserted source
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Class number one problem for real quadratic fields of a certain type

Acta Arithmetica
2012 | Journal article
Part of ISSN: 0065-1036
Contributors: Kostadinka Lapkova
Source: Self-asserted source
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Effective lower bound for the class number of a certain family of real quadratic fields

Journal of Number Theory
2012 | Journal article
Part of ISSN: 0022-314X
Contributors: Kostadinka Lapkova
Source: Self-asserted source
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Divisibility of class numbers of imaginary quadratic fields whose discriminant has only three prime factors

Acta Mathematica Hungarica
2012-04 | Journal article
Part of ISSN: 0236-5294
Contributors: Kostadinka Lapkova
Source: Self-asserted source
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