• 대한수학회보
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• 제59권2호
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• pp.431-452
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• 2022

For any positive integer 𝜇, we compute the mean value of the 𝜇-th derivative of quadratic Dirichlet L-functions over the rational function field 𝔽_q(t), where q is a power of 2.

• Kyungpook Mathematical Journal
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• 제61권3호
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• pp.495-512
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• 2021

We study the value distribution theory of L-functions and completely resolve a question from Yang [10]. This question is related to L-functions sharing three finite values with meromorphic functions. The main result in this paper extends corresponding results from Li [10].

• 대한수학회보
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• 제53권6호
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• pp.1645-1650
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• 2016

In this article, we establish a characterization of meromorphic functions and L-functions in the extended Selberg class, which shows that how they are uniquely determined by their c-values.

• 대한수학회논문집
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• 제37권3호
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• pp.635-648
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• 2022

In this paper, we establish an asymptotic formula for mean value of $L^{(k)}({\frac{1}{2}},\;{\chi}_P)$ averaging over ℙ_2g+1 and over ℙ_2g+2 as g → ∞ in odd characteristic. We also give an asymptotic formula for mean value of $L^{(k)}({\frac{1}{2}},\;{\chi}_u)$ averaging over 𝓘_g+1 and over 𝓕_g+1 as g → ∞ in even characteristic.

• International Journal of Fuzzy Logic and Intelligent Systems
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• 제12권3호
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• pp.232-237
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• 2012

We introduce the notion of (L, e)-filters with fuzzy partially order e on complete residuated lattice L. We investigate (L, e)-filters induced by the family of (L, e)-filters and functions. In fact, we study the initial and final structures for the family of (L, e)-filters and functions. From this result, we define the product and co-product for the family of (L, e)-filters and functions.

• 대한수학회지
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• 제58권6호
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• pp.1529-1547
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• 2021

In this series, we investigate the calculation of mean values of derivatives of Dirichlet L-functions in function fields using the analogue of the approximate functional equation and the Riemann Hypothesis for curves over finite fields. The present paper generalizes the results obtained in the first paper. For µ ≥ 1 an integer, we compute the mean value of the µ-th derivative of quadratic Dirichlet L-functions over the rational function field. We obtain the full polynomial in the asymptotic formulae for these mean values where we can see the arithmetic dependence of the lower order terms that appears in the asymptotic expansion.

• 대한전자공학회논문지
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• 제22권4호
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• pp.24-32
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• 1985

This paper presents the design method for multivalued logic functions using $I^2L$ circuits. First, the a비orithm that transforms delta functions into discrete functions of a truncated difference is obtained. The realization of multivalued logic circuits by this algorithm is discussed. And then, the design method is achieved by mixing discrete functions and delta functions using the modified algorithm for given multivalued truth tables. The techniques discussed here are easily extended to multi-input and multi-output logic circuits.

• 한국정보과학회논문지:시스템및이론
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• 제34권5_6호
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• pp.187-194
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• 2007

Local alignment 알고리즘은 두 문자열을 비교하여 크기가 l, 유사도 점수가 s인 부분 문자열쌍을 찾는다. 크기가 충분히 크고 유사도 점수도 높은 부분 문자열 쌍을 찾기 위해 단위 길이당 유사도 점수 s/l을 최대화하는 정규화 방법이 제안되어있다. 본 논문에서는 증가함수 f, g를 도입하여 f(s)/g(l)을 최대화하는, 함수에 의한 정규화 방법을 제시한다. 여기서 함수 f, g는 DNA 서열을 비교하는 실험을 통해 정한다. 이러한 실험에서 함수에 의한 정규화 방법이 좋은 local alignment를 찾는다. 또한 유사도 점수의 기준으로 longest common subsequence를 채택한 경우, 기존의 정규화 알고리즘을 이용하면 별다른 시간 손실 없이 함수에 의해 정규화된 점수 f(s)/g(l)을 최대화 할 수 있음을 보인다.

• 한국수학교육학회지시리즈B:순수및응용수학
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• 제3권1호
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• pp.53-58
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• 1996

In 1981, R . Badard introduced the notion of fuzzy pretopological spaces and their representation[1]. And in 1992, R. Badard, et al. introduced the L-fuzzy pretopological spaces and studied properties of continuity, open map, closed map, and homeomorphism in L-fuzzy pretopological spaces. In this paper we introduce and study the concepts of almost continuous functions and weakly pre-continuous functions on L-fpts's.(omitted)

• East Asian mathematical journal
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• 제35권3호
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• pp.297-303
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• 2019

In this paper, the author introduces the class $L^p$-BV of functions which are of bounded variation in the sense of $L^p$-norm and investigates the degree of convergence for Fourier series of functions belonging to this class.