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A note on generalized singular Gronwall inequalities
강보원,구남집 충청수학회 2018 충청수학회지 Vol.31 No.1
This paper deals an impulsive fractional integral inequality with singular kernel which can be used in getting the explicit estimate of solutions of impulsive fractional differential equations.
ON C1-GENERIC HYPERBOLICITY OF HOMOCLINIC CLASSES
강보원,N. Koo,이만섭 장전수학회 2015 Proceedings of the Jangjeon mathematical society Vol.18 No.3
In this paper we study the C1-generic hyperbolicity of homoclinic classes which is n0-expansive and isolated. 2010 Mathematics Subject Classification. Primary 37C30; Secondary 37D20, 37C29.
On the average shadowing property in linear dynamical systems
강보원,구남집,이만섭 충청수학회 2018 충청수학회지 Vol.31 No.1
In this paper we show that two notions of the average shadowing property and the hyperbolicity are equivalent in linear dynamical systems on the vector space $\C^n$.
Stability properties in impulsive differential systems of non-integer order
강보원,구남집 대한수학회 2019 대한수학회지 Vol.56 No.1
In this paper we establish some new explicit solutions for impulsive linear fractional differential equations with impulses at fixed times, which provides a handy tool in deriving singular integral-sum inequalities and an impulsive fractional comparison principle. Thus we study the Mittag-Leffler stability of impulsive differential equations with the Caputo fractional derivative by using the impulsive fractional comparison principle and piecewise continuous functions of Lyapunov's method. Also, we give some examples to illustrate our results.
강보원,김성문,최성원,임재석,윤동희,김정수,권종진 大韓顎顔面成形再建外科學會 1994 Maxillofacial Plastic Reconstructive Surgery Vol.16 No.2
Rhinoccerebral mucormycosis is an acute fulminant opportunistic fungal infection in debilitated patients with underlying pathologic conditions, which are diabetic ketoacidosis, immunosuppressed disease. We experienced a case of rhinocerebral mucormycosis. The patient was 41 year-old female, who had diabetes for five years and suffered from left facial swelling and pain, left ophthalmoplegia and facial skin necrosis. Total maxillectomy was done combined with systemic Amphotericin B Therapy, Biopsy proved mucormycosis but she expired.