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Dive into the research topics where Dal-Won Park is active.

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Featured researches published by Dal-Won Park.


Journal of Inequalities and Applications | 2006

A note on Euler number and polynomials

Lee-Chae Jang; Seoung-Dong Kim; Dal-Won Park; Youngsoon Ro

We investigate some properties of non-Archimedean integration which is defined by Kim. By using our results in this paper, we can give an answer to the problem which is introduced by I.-C. Huang and S.-Y. Huang in 1999.


Applied Mathematics and Computation | 2004

Kummer congruence for the Bernoulli numbers of higher order

Lee-Chae Jang; Taekyun Kim; Dal-Won Park

The authors studied the properties of Bernoulli numbers of higher order [Appl. Math. Comput., in press; Bull. Aust. Math. 65 (2002) 59]. For q=1, we can also find their results [Proc. Jangjeon Math. Soc. 1 (2000) 97; Arch. Math. 76 (2001) 190; Proc. Jangjeon Math. Soc. 1 (2000) 161; Adv. Stud. Contemp. Math. 2 (2000) 9; Proc. Jangjeon Math. Soc. 2 (2001) 23; J. Math. Phys. A 34 (2001) L643; Proc. Jangjeon Math. Soc. 2 (2001) 19; Proc. Jangjeon Math. Soc. 2 (2001) 9; Proc. Jangjeon Math. Soc. 3 (2001) 63]. The authors suggested the question to inquire the proof of Kummer congruence for Bernoulli numbers of higher order [Appl. Math. Comput., in press]. In this paper we give a proof of Kummer type congruence for the Bernoulli numbers of higher order, which is an answer to a part of the question in [Appl. Math. Comput., in press].


Journal of Physics A | 2001

On multivariate p-adic q-integrals

Taekyun Kim; Dal-Won Park; Seog-Hoon Rim

By using multiple p-adic q-integrals, we define the p-adic q-L-function in n-variables and the q-extension of p-adic log multiple gamma functions. From these definitions, we show that the values of the p-adic q-L-function at positive integers can be expressed in terms of the q-extension of p-adic log multiple gamma functions.


The International Journal of Fuzzy Logic and Intelligent Systems | 2005

GENERALIZED NET MODEL OF INTRANET IN AN ABSTRACT UNIVERSITY WITH CURRENT ESTIMATIONS

Daniela Langova-Orozova; Evdokia Sotirova; Krassimir T. Atanassov; Pedro Melo-Pinto; Taekyun Kim; Dal-Won Park; Y. H. Kim; Lee-Chae Jang; Dong-Jin Kang

We apply estimations of the intuitionistic fuzzy sets on the basis of which some amendments may be undertaken.


The International Journal of Fuzzy Logic and Intelligent Systems | 2005

A Note on E-Learning Dynamic Assessment with Fuzzy Estimations

Daniela Orozova; Taekyun Kim; Y. H. Kim; Dal-Won Park; Jong-Jin Seo; Krassimir T. Atanassov; Dong-Jin Kang; Seog-Hoon Rim; Lee-Chae Jang; Cheon Seoung Ryoo

A model of an assessment module has been created, using intuitionisric fuzzy estimations, which render account on the knowledge of the trained objects. The final mark is determined on the basis of a set of evaluation units. An opportunity is offered no only for tracing the changes of the parameters of the trainer object, but there is also an opportunity of tracing the status of the already comprehended knowledge, as well as evaluating and changing the training themes and evaluation criteria


SELECTED PAPERS FROM ICNAAM‐2007 AND ICCMSE‐2007: Special Presentations at the#N#International Conference on Numerical Analysis and Applied Mathematics 2007 (ICNAAM‐2007),#N#held in Corfu, Greece, 16–20 September 2007 and of the International Conference on#N#Computational Methods in Sciences and Engineering 2007 (ICCMSE‐2007), held in Corfu,#N#Greece, 25–30 September 2007 | 2008

On the Hyers‐Ulam Stability of a bi‐Jensen Functional Equation

Gwang‐Hui Kim; Yang-Hi Lee; Dal-Won Park

In this paper, we prove the stability of a bi‐Jensen functional equation 4f(x+y2,z+w2) = f(x,z)+f(x,w)+f(y,z)+f(y,w).


NUMERICAL ANALYSIS AND APPLIED MATHEMATICS: International Conference of Numerical Analysis and Applied Mathematics | 2007

On a bi-Pexider functional equation and its stability

Gwang Hui Kim; Yang-Hi Lee; Dal-Won Park

In this paper, we prove the stability of a bi‐Pexider functional equation f(x+y,z+w) = f1(x,z)+f2(x,w)+f3(y,z)+f4(y,w).


The International Journal of Fuzzy Logic and Intelligent Systems | 2004

Modelling of intelligent training system by a generalized net

Chae-Jang Lee; Taekyun Kim; Dal-Won Park

A generalized net model of a training process with modified fuzzy marks in answers of the trained objects and their current and total modified fuzzy evaluation, therning themes, estimation criteria and others are discussed and interpreted.


Archive | 2005

Evaluation System in e-Learning Through the Knowledge State Analysis Method

Sang-Tae Park; Du-Won Byun; Dal-Won Park; Heebok Lee


Nonlinear Analysis-theory Methods & Applications | 2005

The Hyers–Ulam–Rassias stability of the pexiderized equations

Dal-Won Park; Yang-Hi Lee

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Du-Won Byun

Kongju National University

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Seog-Hoon Rim

Kyungpook National University

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Yang-Hi Lee

Gongju National University of Education

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Heebok Lee

Kongju National University

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Sang-Tae Park

Kongju National University

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Youngsoon Ro

Kongju National University

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