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Koo, Ja-Kyung (구자경) C-1911-2011

Department
Department of Mathematical Sciences(수리과학과)
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1

Construction of class fields over cyclotomic fields

Yoon, Dong Sung; Koo, Ja-KyungresearcherDUKE UNIV PRESSKYOTO JOURNAL OF MATHEMATICS, v.56, no.4, pp.803 - 829, 2016-12

2

Generation of class fields by using the Weber function

Yoon, Dong Sung; Shin, Dong Hwa; Koo, Ja-KyungresearcherACADEMIC PRESS INC ELSEVIER SCIENCEJOURNAL OF NUMBER THEORY, v.167, pp.74 - 87, 2016-10

3

Generation of class fields by using the Weber function

Yoon, Dong Sung; Shin, Dong Hwa; Koo, Ja-KyungresearcherACADEMIC PRESS INC ELSEVIER SCIENCEJOURNAL OF NUMBER THEORY, v.167, pp.74 - 87, 2016-10

4

On some Fricke families and application to the Lang-Schertz conjecture

Shin, Dong Hwa; Koo, Ja-Kyungresearcher; Jung, Ho YunCAMBRIDGE UNIV PRESSPROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, v.146, no.4, pp.723 - 740, 2016-08

5

Some applications of eta-quotients

Eum, Ick Sun; Koo, Ja-Kyungresearcher; Shin, Dong HwaCAMBRIDGE UNIV PRESSPROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, v.146, no.3, pp.565 - 578, 2016-06

6

Ring class invariants over imaginary quadratic fields

Koo, Ja-Kyungresearcher; Shin, Dong Hwa; Eum, Ick-SunWALTER DE GRUYTER GMBHFORUM MATHEMATICUM, v.28, no.2, pp.201 - 217, 2016-03

7

Ring class invariants over imaginary quadratic fields

Koo, Ja-Kyungresearcher; Shin, Dong Hwa; Eum, Ick-SunWALTER DE GRUYTER GMBHFORUM MATHEMATICUM, v.28, no.2, pp.201 - 217, 2016-03

8

SOME APPLICATIONS OF MODULAR UNITS

Koo, Ja-Kyungresearcher; Shin, Dong Hwa; Eum, Ick-SunCAMBRIDGE UNIV PRESSPROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY, v.59, no.1, pp.91 - 106, 2016-02

9

Construction of class fields over cyclotomic fields

Yoon, Dong Sung; Koo, Ja-KyungresearcherDUKE UNIV PRESSKYOTO JOURNAL OF MATHEMATICS, v.56, no.4, pp.803 - 829, 2016

10

Primitive generators of certain class fields

Shin, Dong Hwa; Koo, Ja Kyungresearcher; Eum, Ick-SunACADEMIC PRESS INC ELSEVIER SCIENCEJOURNAL OF NUMBER THEORY, v.155, pp.46 - 62, 2015-10

11

The Riemann hypothesis and an upper bound of the divisor function for odd integers

Eum, Ick-Sun; Koo, Ja-KyungresearcherACADEMIC PRESS INC ELSEVIER SCIENCEJOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, v.421, no.1, pp.917 - 924, 2015-01

12

On some arithmetic properties of Siegel functions (II)

Koo, JaKyungresearcher; Shin, Dong Hwa; Jung, Ho YunWALTER DE GRUYTER GMBHFORUM MATHEMATICUM, v.26, no.1, pp.25 - 57, 2014-01

13

On some applications of Eisenstein series

Shin, Dong Hwa; Eum, Ick Sun; Koo, JaKyungresearcherKOSSUTH LAJOS TUDOMANYEGYETEMPUBLICATIONES MATHEMATICAE-DEBRECEN, v.85, no.1-2, pp.73 - 91, 2014

14

Application of Weierstrass units to relative power integral bases

Shin, Dong Hwa; Koo, Ja-Kyungresearcher; Jung, Ho YunEUROPEAN MATHEMATICAL SOCREVISTA MATEMATICA IBEROAMERICANA, v.30, no.4, pp.1489 - 1498, 2014

15

New approach to twisted q-Bernoulli polynomials

Koo, JaKyungresearcher; Kim, Daeyeoul; Park, Yoon KyungSPRINGER INTERNATIONAL PUBLISHING AGADVANCES IN DIFFERENCE EQUATIONS, no.298, pp.1 - 21, 2013-11 View PDF (922kb)

16

Completely normal elements in some finite abelian extensions

Shin, Dong Hwa; Koo, JaKyungresearcherVERSITACENTRAL EUROPEAN JOURNAL OF MATHEMATICS, v.11, no.10, pp.1725 - 1731, 2013-10

17

CONSTRUCTION OF CLASS FIELDS OVER IMAGINARY QUADRATIC FIELDS USING y-COORDINATES OF ELLIPTIC CURVES

Shin, Dong Hwa; Koo, JaKyungresearcherKOREAN MATHEMATICAL SOCJOURNAL OF THE KOREAN MATHEMATICAL SOCIETY, v.50, no.4, pp.847 - 864, 2013-07

18

Singular values of principal moduli

Shin, Dong Hwa; Koo, Ja KyungresearcherACADEMIC PRESS INC ELSEVIER SCIENCEJOURNAL OF NUMBER THEORY, v.133, no.2, pp.475 - 483, 2013-02

19

A Note on Traces of Singular Moduli

Koo, Ja Kyungresearcher; Shin, Dong HwaPUBLICATION COMMITTEE, TOKYO JOURNAL MATHEMATICSTOKYO JOURNAL OF MATHEMATICS, v.35, no.2, pp.291 - 296, 2012-12

20

Ray class fields generated by torsion points of certain elliptic curves

Koo, Ja-Kyungresearcher; Yoon, Dong-Sung; Shin, Dong-HwaSPRINGERRAMANUJAN JOURNAL, v.28, no.3, pp.341 - 360, 2012-08

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