OK JOO KIM, NAM ZIN CHO*, CHANG JE PARK, and MOON GHU PARK 1 Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea 2 Korea Atomic Energy Research Institute 150 Deokjin-dong, Yuseong-gu, Daejeon 305-353, Korea 3 Korea Electric Power Research Institute 103-16 Munji-dong, Yuseong-gu, Daejeon 305-380,...

*Correspondence: [email protected]; [email protected] Department of Mathematics, Dong Thap University, Dong Thap, Dong Thap, Vietnam Abstract In this paper, we prove a fixed point theorem on a 2-metric space and show that the main results in Lahiri et al. (Taiwan. J. Math. 15:337-352, 2011) and Singh et al. (J. Adv. Math. Stud. 5:71-76, 2012) may be obtained easily from the axioms...

a College of Business Administration, Ewha Womans University, 11-1 Daehyun-dong, Seodaemun-gu, Seoul 120-750, Republic of Korea b Graduate School of Business, Sogang University, #1, Shinsu-dong, Mapo-gu, Seoul 121-742, Republic of Korea c Center for Sales Innovation, St. Catherine University, St. Paul, MN, USA d Purdue University, West Lafayette, IN, USA e Department of Marketing, College of Bu...

*1 School of Mechanical Engineering, Pusan National University, San 30, Jangjeon-dong, Geumjeong-gu, Busan 609-735, Republic of Korea. *2 Department of Naval Architecture and Ocean Engineering, Pusan National University, San 30, Jangjeon-dong, Geumjeong-gu, Busan 609-735, Republic of Korea. *3 Advanced Ship Engineering Research Center (ASERC), Pusan National University, San 30, Jangjeon-dong, G...

Donghan Kang a, Kyungsik Lee b, Sungsoo Park a,∗, Kyungchul Park c and Sang-Baeg Kim c a Department of Industrial Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong-Dong, Yusong-Gu, Taejon 305-701, Korea E-mail: [email protected] b ETRI, 161 Kajong-Dong, Yusong-Gu, Taejon 305-350, Korea c Telecommunication Network Lab, Korea Telecom, Junmin-Dong, Yusong-Gu, Taej...