Теория потенциала на плоскости, специальные функции, аналитические функции одной переменной, теория аппроксимации, неравенства.
Основные публикации:
D. Karp, “Square summability with geometric weight for classical orthogonal expansions”, Advances in Analysis, Proceedings of the 4th International ISAAC Conference, eds. H. G. W. Begehr et al., 2005, 407–421
D. Karp, “Hypergeometric reproducing kernels and analytic continuation from a half-line”, Integral Transforms and Special Functions, 14:6 (2003), 485–498
D. Karp, “Capacity of a condenser whose plates are circular arcs”, Complex Variables and Elliptic Equations, 50:2 (2005), 103–122
D. Karp and S. M. Sitnik, “Asymptotic approximations for the first incomplete elliptic integral near logarithmic singularity”, Journal of Computational and Applied Mathematics, 205:1 (2007), 186–206
D. Karp and S. M. Sitnik, “Inequalities and monotonicity of ratios for generalized hypergeometric function”, Journal of Approximation Theory, 2009, no. 161, 337–352
Asena Çetinkaya, Dmitrii Karp, Elena Prilepkina, “Hypergeometric Functions at Unit Argument: Simple Derivation of Old and New Identities”, SIGMA, 17 (2021), 098, 25 стр.
D. B. Karp, E. G. Prilepkina, “An inverse factorial series for a general gamma ratio and related properties of the Nørlund–Bernoulli polynomials”, Зап. научн. сем. ПОМИ, 458 (2017), 135–158; J. Math. Sci. (N. Y.), 234:5 (2018), 680–696
Dmitrii Karp, Elena Prilepkina, “Hypergeometric Differential Equation and New Identities for the Coefficients of Nørlund and Bühring”, SIGMA, 12 (2016), 052, 23 стр.
D. B. Karp, “Normalized incomplete beta function: log-concavity in parameters and other properties”, Зап. научн. сем. ПОМИ, 440 (2015), 138–161; J. Math. Sci. (N. Y.), 217:1 (2016), 91–107
С. И. Калмыков, Д. Б. Карп, “О логарифмической вогнутости рядов с отношениями гамма-функций”, Изв. вузов. Матем., 2014, № 6, 70–77; S. I. Kalmykov, D. B. Karp, “On logarithmic concavity of series in gamma ratios”, Russian Math. (Iz. VUZ), 58:6 (2014), 63–68
D. B. Karp, “Representations and inequalities for generalized hypergeometric functions”, Зап. научн. сем. ПОМИ, 429 (2014), 121–139; J. Math. Sci. (N. Y.), 207:6 (2015), 885–897
D. B. Karp, “Positivity of Toeplitz determinants formed by rising factorial series and properties of related polynomials”, Зап. научн. сем. ПОМИ, 404 (2012), 184–198; J. Math. Sci. (N. Y.), 193:1 (2013), 106–114
Д. Б. Карп, “Неравенства Турана для функции Куммера от сдвига по обоим параметрам”, Зап. научн. сем. ПОМИ, 383 (2010), 110–125; D. B. Karp, “Turan's inequalities for the Kummer function in a simultaneous shift of the two parameters”, J. Math. Sci. (N. Y.), 178:2 (2011), 178–186
В. Н. Дубинин, Д. Б. Карп, В. А. Шлык, “Избранные задачи геометрической теории функций и теории потенциала”, Дальневост. матем. журн., 8:1 (2008), 46–95
Д. Б. Карп, “Критерий квадратичной суммируемости с геометрическим весом для разложений Якоби”, Дальневост. матем. журн., 1:1 (2000), 16–27
1994
13.
Д. Б. Карп, “Дробное преобразование Ханкеля и его приложения в математической физике”, Докл. РАН, 338:1 (1994), 10–14; D. B. Karp, “Fractional Hankel transformation and its applications in
mathematical physics”, Dokl. Math., 50:2 (1995), 179–185