Search Results - "Kovacheva, R."

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  1. 1

    Co-Existing Hashimoto’s Thyroiditis does not Affect Bone Metabolism in Patients with Primary Hyperparathyroidism by Yankova, I

    “…ContextPrimary hyperparathyroidism (PHPT) is often associated with thyroid disorders like nodular goiter, Hashimoto's thyroiditis (HT) and Graves'…”
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  2. 2

    The effect of vitamin D3 on insulin secretion and peripheral insulin sensitivity in type 2 diabetic patients by Borissova, A M, Tankova, T, Kirilov, G, Dakovska, L, Kovacheva, R

    “…The aim of this study was to evaluate the effect of vitamin D3 supplementation on insulin secretion and insulin resistance. Ten females with type 2 diabetes…”
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  3. 3

    Somatic Genomic Changes in the Formation of Differentiated Thyroid Carcinoma by Vidinov, K., Dodova, R., Dimitrova, I., Mitkova, A., Shinkov, A., Kaneva, R., Kovacheva, R.

    Published in Acta medica Bulgarica (01-09-2020)
    “…Globally, the diffuse goiter affects more than 10% of the population and in some regions is endemic. Thyroid nodules are found in approximately 5% of the…”
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  4. 4

    Regions of meromorphy and value distribution of geometrically converging rational functions by Blatt, H.-P., Grothmann, R., Kovacheva, R.K.

    “…Let D be a region, { r n } n ∈ N a sequence of rational functions of degree at most n and let each r n have at most m poles in D, for m ∈ N fixed. We prove…”
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  5. 5

    On the Distribution of Zeros and Poles of Rational Approximants on Intervals by Andrievskii, V. V., Blatt, H.-P., Kovacheva, R. K.

    Published in Abstract and Applied Analysis (01-01-2012)
    “…The distribution of zeros and poles of best rational approximants is well understood for the functions f(x)=|x|α, α>0. If f∈C[−1,1] is not holomorphic on…”
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  6. 6

    Fourier analysis of peripheral blood pressure and flow in intraoperative assessment of infrainguinal arterial reconstructions by Cheshmedzhiev, Mihail V, Mircheva, Iskra S, Jordanov, Emil D, Kovacheva, Nina R

    Published in Folia Medica (01-04-2014)
    “…To assess infrainguinal arterial reconstructions by intraoperative flowmetry under the distal anastomosis using a fast Fourier transformation; calculate and…”
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  7. 7

    Effect of hormone replacement therapy on insulin secretion and insulin sensitivity in postmenopausal diabetic women by Borissova, A.-M., Tankova, T., Kamenova, P., Dakovska, L., Kovacheva, R., Kirilov, G., Genov, N., Milcheva, B., Koev, D.

    Published in Gynecological endocrinology (2002)
    “…The aim of the present study was to evaluate the effect of three different combinations of hormone replacement therapy (HRT) on insulin secretion, peripheral…”
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  8. 8

    Effect of hormone replacement therapy on insulin secretion and insulin sensitivity in postmenopausal diabetic women by BORISSOVA, A.-M, TANKOVA, T, KAMENOVA, P, DAKOVSKA, L, KOVACHEVA, R, KIRILOV, G, GENOV, N, MILCHEVA, B, KOEV, D

    Published in Gynecological endocrinology (01-02-2002)
    “…The aim of the present study was to evaluate the effect of three different combinations of hormone replacement therapy (HRT) on insulin secretion, peripheral…”
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    Distribution of zeros of the Hermite-Padé polynomials for a system of three functions, and the Nuttall condenser by Kovacheva, R. K., Suetin, S. P.

    “…The well-known approach of J. Nuttall to the derivation of strong asymptotic formulas for the Hermite-Padé polynomials for a set of m multivalued functions is…”
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  11. 11

    Distribution of interpolation points of maximally convergent multipoint Padé approximants by Blatt, H.-P., Kovacheva, R.K.

    Published in Journal of approximation theory (01-03-2015)
    “…The paper investigates the distribution of interpolation points of m1-maximally convergent multipoint Padé approximants with numerator degree ≤n and…”
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  12. 12
  13. 13

    A note on the limiting distribution of the zeros of Padé approximants for some classes of functions by Kovacheva, R.K.

    “…In the present paper, we deal with functions f( z) := ∑ ∞ n=0 a n z n whose coefficients satisfy a special smoothness condition. Theorems concerning the…”
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  14. 14

    Distribution of points of interpolation and of zeros of exact maximally convergent multipoint Pad\'e approximants by Kovacheva, R. K

    Published 02-03-2015
    “…Given a regular compact set $E$ in the complex plane, a unit measure $\mu$ supported by $\partial E,$ a triangular point set $\beta :=…”
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    Проследяване на ефекта от лечението със Spinraza (Nusinersen) при български пациенти със спинална мускулна атрофия (СМА) над 18 г by Teodora Chamova, T. Angelov, T. Todorov, K. Chobanov, T. Dimitrova, M. Tantcheva, R. Kovacheva, A. Todorova, I. Tournev

    “…Въведение: 5q спиналната мускулна атрофия (СMA) е генетично невродегенеративно заболяване, обусловено от хомозиготна делеция или други мутации в survival motor…”
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    An Analogue of Montel's Theorem for Rational Functions of Best Lp- Approximation by Kovacheva, R.K., Ławrynowicz, J.

    Published in Journal of approximation theory (01-03-2002)
    “…For sequences of rational functions, analytic in some domain, a theorem of Montel's type is proved. As an application, sequences of rational functions of best…”
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  19. 19

    Some numerical results on the behavior of zeros of the Hermite-Pad\'e polynomials by Ikonomov, N. R, Kovacheva, R. K, Suetin, S. P

    Published 28-01-2015
    “…We introduce and analyze some numerical results obtained by the authors experimentally. These experiments are related to the well known problem about the…”
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  20. 20

    Sequences with equi-distributed extreme points in uniform polynomial approximation by Blatt, Hans-Peter, Grothmann, René, Kovacheva, Ralitza

    Published in Journal of approximation theory (01-02-2004)
    “…Let E be a compact set in C with connected complement and positive logarithmic capacity. For any f continuous on E and analytic in the interior of E, we…”
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