I am Feng Qi, a professor in mathematics. Welcome you!
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Some papers published in Boletim da Sociedade Paranaense de Matemática Feng Qi, Simplifying coefficients in differential equations related to generating functions of reverse Bessel and partially degenerate Bell polynomials, Boletim da Sociedade Paranaense de Matemática (2019), in press. Related links … Continue reading
Some papers published in Iranian Journal of Mathematical Sciences and Informatics Feng Qi and Bai-Ni Guo, Viewing some ordinary differential equations from the angle of derivative polynomials, Iranian Journal of Mathematical Sciences and Informatics 14 (2019), no. 2, in press. Related links A … Continue reading
Some preprints put on HAL archives Feng Qi, A logarithmically completely monotonic function involving the $q$-gamma function, HAL archives (2018), available online at https://hal.archives-ouvertes.fr/hal-01803352. Feng Qi and Bai-Ni Guo, An alternative proof for complete monotonicity of linear combinations of many … Continue reading