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Education
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2008.02
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Ph.D.
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Mathematics
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Sogang University
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2001.02
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M.S.
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Mathematics
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Sogang University
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1999.02
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B.S.
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Mathematics
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Sogang University
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Academic
Positions
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2008.03~
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Post-doctoral Associate
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KAIST, Department of Mathematical Sciences
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Research Interests
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Partial Differential Equations on Networks,
Generalized Functions, Functional Equations
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Research Papers:
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11. Y.-S.
Lee, Y.-S. Chung and S.-Y. Chung,
Extinction and Positivity for heat equations with
absorption on networks,
preprint
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10. Y.-S. Lee and S.-Y. Chung,
Evolution p-Laplacian equations on
networks,
submitted to "Letters in
Mathematical Physics".
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9. Y.-S. Lee and S.-Y. Chung,
The general quadratic
functional equations in distributions,
"Publicationes Mathematicae
Debrecen" (accepted 4 February 2009).
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8. Y.-S. Lee and S.-Y. Chung,
Stability
of quartic functional equations in the spaces of generalized functions,
"Advances
in Difference Equations" (accepted 15 January 2009).
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7. Y.-S. Lee,
Stability
of a quadratic functional equation in the spaces of generalized functions,
J. Inequal. Appl. 2008, Art. ID 210615, 12 pp.
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6. Y.-S. Lee and S.-Y. Chung,
Stability
of an Euler-Lagrange-Rassias equation in the spaces of generalized
functions,
Appl. Math. Lett. 21 (2008), no. 7, 694-700.
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5.
Y.-S. Chung, Y.-S. Lee, D.-Y.
Kwon and S.-Y. Chung,
A
characterization of Sobolev spaces by solutions of heat equation and a stability
problem for a functional equation,
Commun. Korean Math. Soc. 23 (2008), no. 3, 401-411.
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4. Y.-S. Lee and S.-Y. Chung,
Stability
for quadratic functional equation in the spaces of generalized functions,
J. Math. Anal. Appl. 336 (2007), no. 1,
101-110.
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3. Y.-S. Lee and S.-Y. Chung,
Stability
of cubic functional equation in the spaces of generalized functions,
J. Inequal. Appl. 2007, Art.
ID 79893, 13 pp.
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2. Y.-S. Lee and S.-Y. Chung,
Stability
of a Jensen type functional equation,
Banach J. Math. Anal. 1 (2007), no. 1, 91-100.
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1. Y.-S. Lee and S.-Y. Chung,
Stability
of a quadratic Jensen type functional equation in the spaces of generalized
functions,
J. Math. Anal. Appl. 324 (2006), no. 2, 1395-1406.
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Presentations
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Date
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Place
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Talk Title
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2008.10.23~10.25
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´ëÇѼöÇÐȸ °¡À» ¿¬±¸¹ßǥȸ, Á¦ÁÖ±¹Á¦ÄÁº¥¼Ç¼¾ÅÍ
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³×Æ®¿÷ »ó¿¡¼ Èí¼öÇ×À» °¡Áö´Â ¿¹æÁ¤½ÄÀÇ ÇØÀÇ ¼Ò¸ê
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2008.06.23~06.27
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Second conference on
Pseudo-differential operators and related topics, Växjö University, Sweden
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Evolution p-Laplacian
equations on networks
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2008.4.26
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´ëÇѼöÇÐȸ º½ ¿¬±¸¹ßǥȸ, °è¸í´ëÇб³
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³×Æ®¿÷ »ó¿¡¼ ¹ßÀü¹æÁ¤½ÄÀÇ ÇØÀÇ ¼Ò¸ê
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2007.11.01~11.03
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Sophia Symposium 2007, Sophia
University, Japan
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Functional equations and
inequalities in the spaces of generalized functions
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2007.10.19~10.20
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´ëÇѼöÇÐȸ °¡À» ¿¬±¸¹ßǥȸ, Ä«À̽ºÆ®
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ÃÊÇÔ¼ö °ø°£¿¡¼ÀÇ ÇÔ¼öºÎµî½Ä
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2007.09.02~09.08
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Generalized Functions 07
(Linear and Non-linear Theory of Generalized Functions and Its
Applications), Bedlewo, Poland
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Stability of an n-dimensional
quadratic functional equation in the space of generalized functions
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2006.10.27~10.29
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´ëÇѼöÇÐȸ °¡À» ¿¬±¸¹ßǥȸ, ¼¿ï´ëÇб³
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ÃÊÇÔ¼ö°ø°£¿¡¼ÀÇ ÀÌÂ÷ÇÔ¼ö¹æÁ¤½ÄÀÇ ¾ÈÁ¤¼º¿¡ °üÇÏ¿©
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2006.09.01~09.04
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Topics in Mathematical
Analysis and Graph Theory, Belgrade, Serbia
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Stability for cubic functional
equation in the space of generalized functions
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2006.04.22
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´ëÇѼöÇÐȸ º½ ¿¬±¸¹ßǥȸ, µ¿¾Æ´ëÇб³
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ÃÊÇÔ¼ö°ø°£¿¡¼ÀÇ ÀÌÂ÷ÇÔ¼ö¹æÁ¤½ÄÀÇ ¾ÈÁ¤¼º ¹®Á¦
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2005.10.21~10.22
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´ëÇѼöÇÐȸ °¡À» ¿¬±¸¹ßǥȸ, Áß¾Ó´ëÇб³
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¹ÝÀÀ-È®»ê
¹æÁ¤½ÄÀÇ ¾ÈÁ¤¼º ¹®Á¦
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2005.04.23
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´ëÇѼöÇÐȸ º½ ¿¬±¸¹ßǥȸ, ´Ü±¹´ëÇб³ õ¾ÈÄ·ÆÛ½º,
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ÀÏ°è¹ÌºÐ¹æÁ¤½ÄÀÇ ¾ÈÁ¤¼º ¹®Á¦
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2004.12.13~12.18
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Mini-Conference on Analysis
and Biotechnology, Sogang University
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Stability of cubic equation
in the space of generalized functions
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Teaching and Experiences
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Period
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Institute
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Class
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2008.09~2008.12
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KAIST, Department of Mathematical
Sciences
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°øÇÐÀÚ¸¦ À§ÇÑ ÇÔ¼öÇؼ®ÇÐ
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2007.09~2007.12
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Sogang University, Department
of Mathematics
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ÀÀ¿ë¼öÇÐII, ´ëÇмöÇÐ
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2007.03~2007.06
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Sogang University, Department
of Mathematics
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´ëÇмöÇÐ, ¹ÌÀûºÐÇÐII
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2006.09~2006.12
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Sogang University, Department
of Mathematics
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´ëÇмöÇÐ
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2006.03~2006.06
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Sogang University, Department
of Mathematics
|
±âÃʹÌÀûºÐÇÐ
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2002.03~2004.02
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¾È¾ç¿©ÀÚ°íµîÇб³
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¼öÇÐ Á¤±³»ç
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License
2002.12.13 ±³¿øÁ¤º¸È°¿ë´É·ÂÀÎÁõ (°æ±âµµ±³À°Ã»)
2001.08.28 Á¤º¸Ã³¸®±â»ç (Çѱ¹»ê¾÷Àη°ø´Ü)
1999.02.23 ±³¿øÀÚ°ÝÁõ (±³À°ºÎ)
Other Information
2007.08 ¿ì¼ö°»ç ǥâ (¼°´ëÇб³)
2007.03 ¿ì¼ö°»ç ǥâ (¼°´ëÇб³ ¼öÇаú)
2007.02 ¿ì¼ö°»ç ǥâ (¼°´ëÇб³)
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