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A Recurrence Relation for Bernoulli Numbers
Kurt 대한수학회 2005 대한수학회보 Vol.42 No.3
In this paper, using Gauss multiplication formula, a recurrence relation forBernoulli numbers, generalizing Namias' results, is given.
THE MULTIPLICATION FORMULAE FOR THE GENOCCHI POLYNOMIALS
Kurt 장전수학회 2010 Proceedings of the Jangjeon mathematical society Vol.13 No.1
The aim of this paper is to obtain the multiplication formu-lae for the λ-Gennochi polynomials of higher order. The λ-multiple power sum are found related to the λ-Bernoulli and λ-Genocchi polynomials of higher order.
ON THE (p, q)-POLY-KOROBOV POLYNOMIALS AND RELATED POLYNOMIALS
KURT, BURAK,KURT, VELI The Korean Society for Computational and Applied M 2021 Journal of applied mathematics & informatics Vol.39 No.1
D.S. Kim et al. [9] considered some identities and relations for Korobov type numbers and polynomials. In this work, we investigate the degenerate Korobov type Changhee polynomials and the (p,q)-poly-Korobov polynomials. We give a generalization of the Korobov type Changhee polynomials and the (p,q) poly-Korobov polynomials. We prove some properties and identities and explicit relations for these polynomials.
Electron and Hole Transmission through Superconductor- Normal Metal Interfaces
Kurt Gloos,Elina Tuuli 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.10
We have investigated the transmission of electrons and holes through interfaces between superconducting aluminum (Tc = 1.2K) and various normal non-magnetic metals (copper, gold, palladium,platinum, and silver) using Andreev-reflection spectroscopy at T = 0.1K. We analysed the point contacts with the modified BTK theory that includes Dynes’ lifetime as a fitting parameter Γ in addition to superconducting energy gap 2∆ and normal reflection described by Z. For contact areas from 1 nm2 to 10000nm2 the BTK Z parameter was 0.5, corresponding to transmission coefficients of about 80%, independent of the normal metal. The very small variation of Z indicates that the interfaces have a negligible dielectric tunneling barrier. Fermi surface mismatch does not account for the observed transmission coefficient.
Kurt Louis Solis,Go Un Nam,Yongseok Hong 대한환경공학회 2016 Environmental Engineering Research Vol.21 No.1
The adsorption of inorganic mercury, Hg (II), in aqueous solution has been investigated to evaluate the effectiveness of synthesized gold (Au) nanoparticle-coated silica as sorbent in comparison with activated carbon and Au-coated sand. The synthesis of the Au-coated silica was confirmed by x-ray diffraction (Bragg reflections at 38.2°, 44.4°, 64.6°, and 77.5°) and the Au loading on silica surface was 6.91±1.14 mg/g. The synthesized Au-coated silica performed an average Hg adsorption efficiency of ~96 (±2.61) % with KD value of 9.96 (±0.32) L/g. The adsorption kinetics of Hg(II) on to Au-coated silica closely follows a pseudo-second order reaction where it is found out to have an initial adsorption rate of 4.73 g/μg/min/ and overall rate constant of 4.73 × 10(-4) g/μg/min/. Au-coated silica particles are effective in removing Hg (II) in aqueous solutions due to their relatively high KD values, rapid adsorption rate, and high overall efficiency that can even decrease mercury levels below the recommended concentrations in drinking water.
Ability and Creativity: Their Role in Science and Technology
Kurt A. Heller 한국영재학회 1994 영재교육연구 Vol.3·4 No.1
In addition to exceptional cognitive abilities and domain-specific aptitudes. frequently creativity potentials are used to explain high achievements in science and technology. In the Guilford tradition, research focuses increasingly on convergent versus divergent thinking. that is. a suspected dichotomy between intelligence and creativity. Despite important insights from this about relationship of ability and creativity, a number of important questions remain unanswered. These relate not only to conceptualization and measurement problems regarding the hypothetical constructs "scientific ability" and "creativity", but also their diagnosis and nurturarice in childhood and adolescence. It would appear that, in view of current research paradigms, the role of ability and creativity needs to be redefined in order to more reliably predict and explain excellent achievements in science and technology. Advances are mostly expected from synthetic approaches. Thus. I will be presenting new theoretical models and empirical research results. Finally, consequences for the prediction and promotion of mathematical-scientific and technical talents will be discussed including the consideration of sex-related problems.
Mental Perspective in Multiple-Event Memory and Foresight
( Kurt Stocker ) 서울대학교 인지과학연구소 2014 Journal of Cognitive Science Vol.15 No.1
travel into "anteriority in the past" versus perspectival mental time travel into "anteriority in the future"; perspectival mental time travel along a mental time line where past/future and anteriority/posteriority form two separate temporal reference frames versus perspectival mental time travel along a mental time line where past/future and anteriority/posteriority conglomerate to a single nondispersible temporal reference frame; single temporal direct viewings versus dual simultaneous temporal direct viewings; and looking into the future from the present moment versus looking into the future from the past. For mental time travel along a sequence of more than two events the following novel distinctions are offered: the combination of one direct temporal viewing with serial prospective temporal viewings versus all serial temporal direct viewings and episodic versus semantic perspectival multiple-event memory and foresight. The memory account developed in this article also extends recent work in memory theory which suggests that certain memory structures/processes are “scale-independent,” which means that it is proposed that certain memory structures/processes feature in both long-term and short-term memory. The main contribution of this article to scale-independent memory theory is the cognitive-linguistically derived argument that such a scale-independent memory system consists of two temporal perspective points (up to now only one temporal perspective point has been assumed). Implications for cognitive modeling and for human versus animal cognition are discussed.