
{"id":3308,"date":"2012-08-15T04:58:00","date_gmt":"2012-08-14T19:58:00","guid":{"rendered":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/?p=3308"},"modified":"2021-09-01T20:27:46","modified_gmt":"2021-09-01T11:27:46","slug":"2k12springcpxanalysis","status":"publish","type":"post","link":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/2012\/08\/15\/2k12springcpxanalysis\/","title":{"rendered":"[2k12SpringCpxAnalysis]"},"content":{"rendered":"<div id=\"outline-container-orgcbc829e\" class=\"outline-2\">\n<h2 id=\"orgcbc829e\">Q and A<\/h2>\n<div class=\"outline-text-2\" id=\"text-orgcbc829e\">\n<p> Q: <\/p>\n<p> A: <\/p>\n<hr \/>\n<p> Q: \uc218\uc5c5\uc758 \uc0c1\ub2f9\ud788 \ub9ce\uc740 \ubd80\ubd84\uc774 \uc704\uc0c1\uc218\ud559\uc5d0 \uad00\ub828\ub41c \ub0b4\uc6a9\uc778\ub370 \ud639\uc2dc \uad50\uacfc\uc11c \uc678\uc5d0\ub3c4 \ub2e4\ub978 \ucc45\uc744 \uacf5\ubd80\ud574\uc57c \ud558\ub294 \uac74\uc9c0 \uad81\uae08\ud569\ub2c8\ub2e4. \uc774\ub7f0 \uac78 \uc5ec\ucb64\ubcf4\ub294 \uac83\uc774 \ubd80\ub044\ub7ec\uc6b4 \uc77c\uc778 \uac83\uc740 \uc54c\uc9c0\ub9cc, \ud544\uae30\ub97c \uc815\ub9ac\ud558\uba74\uc11c \ubcf4\ub2c8 \ubcf5\uc18c\ud574\uc11d\ud559 \uad50\uacfc\uc11c\ub9cc\uc73c\ub85c\ub294 \uc804\ubd80 \uc18c\ud654\ud558\uae30\uac00 \uc5b4\ub824\uc6cc\uc11c\uc694. <\/p>\n<p> A: \ubcf5\uc18c\ud574\uc11d\ud559\uc740 \ud559\ubd80\uc758 \ud574\uc11d\ud559 \uae30\ubc18\uc704\uc5d0 \uacf5\ubd80\ud558\ub294 \uacfc\ubaa9\uc774\uc608\uc694. <\/p>\n<ol class=\"org-ol\">\n<li>\ud574\uc11d\ud559\uc744 \uc774\ubbf8 \uacf5\ubd80\ud588\uaca0\uc9c0\ub9cc \ud574\uc11d\ud559 \uc790\uccb4\uac00 \ub2e4\uc74c\uacfc \uac19\uc774 \uba87 \uac00\uc9c0 \ub0b4\uc6a9\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4\uc694. \uc6b0\uc120 \uc2e4\uc218\uc640 \ud3c9\uba74\uc758 \uc704\uc0c1, \ud2b9\ud788 \uc5f0\uc18d\ud568\uc218\ub97c \uc81c\ub300\ub85c \ub2e4\ub8e8\ub294 \ubc95, \ub458\uc9f8, \ubbf8\ubd84\uacfc \uc801\ubd84\uc758 \uac1c\ub150\uacfc \uae30\ubcf8\uacf5\uc2dd, \uc14b\uc9f8 \ud568\uc218\uc758 \ubb34\ud55c\uae09\uc218\uc758 \uc218\ub834 \ubc1c\uc0b0, \uc608\ub97c \ub4e4\uba74 Fourier \uae09\uc218, \ub137\uc9f8 \ub2e4\ubcc0\uc218\ud568\uc218\ub97c \ub2e4\ub8e8\ub294 \ubc95, \ud2b9\ud788 inverse function theorem\uacfc \ub2e4\ubcc0\uc218 \uc801\ubd84\uc758 \ubcc0\uc218\ubcc0\ud658 \uacf5\uc2dd, \uadf8\ub9ac\uace0 \ubca1\ud130\ud574\uc11d\ud559. \uc774\ub294 \uc2a4\ud1a0\ud06c\uc2a4 \uc815\ub9ac\uc640 \uad00\ub828\ub41c \uc774\ub860\ub4e4 \ub4f1\ub4f1\uc785\ub2c8\ub2e4.<\/li>\n<li>\uc774\uc911\uc5d0 \ubcf5\uc18c\ud574\uc11d\ud559\uc5d0\uc11c \uc544\uc8fc \uc911\uc694\ud558\uac8c \ud544\uc694\ud55c \uac83\uc740 \uccab\ubc88\uc9f8 \uc704\uc0c1 \ubd80\ubd84\uacfc \ub9c8\uc9c0\ub9c9\uc758 \ubca1\ud130\ud574\uc11d\ud559 \ubd80\ubd84\uc758 \uac1c\ub150\uc778\ub370, \uc6b0\ub9ac\ub294 \ubca1\ud130\ud574\uc11d\ud559 \ubd80\ubd84\uc740 2\ucc28\uc6d0 \uacf5\uac04\uc778 $ \\mathbb{C}=\\mathbb{R}^2 $ \ub9cc\uc744 \ubcf4\uac8c \ub418\ub2c8\uae4c \uc0ac\uc2e4 \uadf8\ub9b0\uc758 \uc815\ub9ac\ub9cc \uc0ac\uc6a9\ud558\ub294 \uc148\uc774\uace0 \uc5b4\ub835\uc9c0 \uc54a\uc544\uc694. \uadf8\ub798\uc11c Background\ub85c review\ud558\ub294 \uac83\uc774 \uc704\uc0c1\uc5d0 \uce58\uc6b0\uce58\uac8c \ub429\ub2c8\ub2e4. \ubaa8\ub4e0 \ubcf5\uc18c\ud568\uc218\ub860 \ucc45\uc774 \uc704\uc0c1\uc744 \ub2e4\uc2dc \ud55c \ubc88 \uacf5\ubd80\ud574\uc694.<\/li>\n<li>\ubb3c\ub860 Fourier \uae09\uc218\uc758 \uc774\ub860\uc740 \uc815\ub9d0\uc815\ub9d0 \uc911\uc694\ud558\uac8c \ub418\uc9c0\ub9cc \ud559\ubd80\uc5d0\uc11c \uacf5\ubd80\ud558\ub294\ub370\uc11c\ub294 \uc548 \ub098\uc624\uace0\uc694. \uc6b0\ub9ac\uac00 \ud568\uc218\uc758 \uae09\uc218\ub97c \uacf5\ubd80\ud558\ub294 \uac83\uc740 Taylor \uae09\uc218\uc640 \uadf8\uc758 \uc77c\ubc18\ud654\ub9cc\uc744 \uacf5\ubd80\ud558\uac8c \ub418\ubbc0\ub85c \ucd08\ubcf4\uc801\uc778 \uae09\uc218\ub9cc\uc744 \ubcf4\uac8c \ub3fc\uc694. \uc774\uac83\uc740 \uc544\ub9c8\ub3c4 \uc8fc\ub85c 2\ud559\uae30\uc5d0 \uac00\uc11c \ubcfc\uac70 \uac19\uc544\uc694.<\/li>\n<li>\uc5b4\ub290 \uc815\ub3c4\uae4c\uc9c0 \uacf5\ubd80\ud574\uc57c \ud558\ub294\uac00? \uc774\uc5d0 \ub300\ud574\uc11c\ub294 \ub450 \uac00\uc9c0\ub85c \ub2f5\ud560\uaed8\uc694. \uc6b0\uc120 \ubcf5\uc18c\ud574\uc11d\uc744 \uacf5\ubd80\ud558\uae30 \uc704\ud574\uc11c \uc704\uc0c1\uc744 \uc5bc\ub9c8\ub098 \uacf5\ubd80\ud574\uc57c \ud558\ub294\uac00? \uc704\uc0c1\uc218\ud559\uc744 \uae4a\uc774\uc788\uac8c \uacf5\ubd80\ud560 \ud544\uc694\ub294 \uc5c6\uc9c0\ub9cc \uae30\ubcf8\uac1c\ub150\uc778 \uc5f0\uc18d, compactness, \uadf8\ub9ac\uace0 \ub098\uc911\uc5d0\ub294 homology\uc758 \uac1c\ub150\ub3c4 \ud544\uc694\ud574\uc694. \uadf8\ub7ec\uba74 \uc2dc\ud5d8\ubcf4\ub824\uba74 \uc5b4\ub514\uae4c\uc9c0 \uacf5\ubd80\ud574\uc57c \ud558\ub294\uac00? \uc5ec\uae30\uc5d0 \ub300\ud55c \ub2f5\uc740, \uc6b0\uc120 \uc774 \ubd80\ubd84\uc740 review\uc778\ub9cc\ud07c \uc2dc\ud5d8\uc73c\ub85c\uc11c\ub294 \uadf8\ub9ac \uc911\uc694\ud558\uac8c \uc0dd\uac01\ud558\uc9c0 \uc54a\uc544\uc694. \uc798 \uc54c\uba74 \uc88b\uace0 \uc798 \ubab0\ub77c\ub3c4 \uad1c\ucc2e\uc544\uc694. \uc2dc\ud5d8\uc740 \uac04\ub2e8\ud55c \uac83\ub9cc \ubb3c\uc5b4\ubcfc \uac83\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p> \uc6b0\ub9ac\uac00 \uc704\uc0c1 \ubd80\ubd84\uc744 \uc790\uc138\ud788 \ud558\ub294 \uac83\uc740 \uc5ec\ub7ec\ubd84\uc774 1\ub144\ub3d9\uc548 \ubcf5\uc18c\ud574\uc11d\ud559\uc744 \uc798 \uacf5\ubd80\ud560 \uc218\uc788\uae30\ub97c \ubc14\ub77c\uae30 \ub54c\ubb38\uc774\uc608\uc694. \uc2dc\ud5d8\uc744 \uc5b4\ub835\uac8c \ud558\ub824\ub294 \uac83\uc774 \ubaa9\uc801\uc774 \uc544\ub2c8\uace0\uc694. \uc2dc\ud5d8\uc740 \uac71\uc815\ud560 \ud544\uc694\uac00 \uc5c6\uc5b4\uc694. <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Q and A Q: A: Q: \uc218\uc5c5\uc758 \uc0c1\ub2f9\ud788 \ub9ce\uc740 \ubd80\ubd84\uc774 \uc704\uc0c1\uc218\ud559\uc5d0 \uad00\ub828\ub41c \ub0b4\uc6a9\uc778\ub370 \ud639\uc2dc \uad50\uacfc\uc11c \uc678\uc5d0\ub3c4 \ub2e4\ub978 \ucc45\uc744 \uacf5\ubd80\ud574\uc57c \ud558\ub294 \uac74\uc9c0 \uad81\uae08\ud569\ub2c8\ub2e4. \uc774\ub7f0 \uac78 \uc5ec\ucb64\ubcf4\ub294 \uac83\uc774 \ubd80\ub044\ub7ec\uc6b4 \uc77c\uc778 \uac83\uc740 \uc54c\uc9c0\ub9cc, \ud544\uae30\ub97c \uc815\ub9ac\ud558\uba74\uc11c \ubcf4\ub2c8 \ubcf5\uc18c\ud574\uc11d\ud559 \uad50\uacfc\uc11c\ub9cc\uc73c\ub85c\ub294 \uc804\ubd80 \uc18c\ud654\ud558\uae30\uac00 \uc5b4\ub824\uc6cc\uc11c\uc694. A: \ubcf5\uc18c\ud574\uc11d\ud559\uc740 \ud559\ubd80\uc758 \ud574\uc11d\ud559 \uae30\ubc18\uc704\uc5d0 \uacf5\ubd80\ud558\ub294 \uacfc\ubaa9\uc774\uc608\uc694. \ud574\uc11d\ud559\uc744 \uc774\ubbf8 \uacf5\ubd80\ud588\uaca0\uc9c0\ub9cc \ud574\uc11d\ud559 \uc790\uccb4\uac00 \ub2e4\uc74c\uacfc \uac19\uc774 \uba87 \uac00\uc9c0 \ub0b4\uc6a9\uc744 &#8230; <a title=\"[2k12SpringCpxAnalysis]\" class=\"read-more\" href=\"https:\/\/mathematicians.korea.ac.kr\/ywkim\/2012\/08\/15\/2k12springcpxanalysis\/\" aria-label=\"[2k12SpringCpxAnalysis]\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-3308","post","type-post","status-publish","format-standard","hentry","category-lectures"],"distributor_meta":false,"distributor_terms":false,"distributor_media":false,"distributor_original_site_name":"\uae40\uc601\uc6b1","distributor_original_site_url":"https:\/\/mathematicians.korea.ac.kr\/ywkim","push-errors":false,"_links":{"self":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/comments?post=3308"}],"version-history":[{"count":1,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3308\/revisions"}],"predecessor-version":[{"id":3309,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3308\/revisions\/3309"}],"wp:attachment":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/media?parent=3308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/categories?post=3308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/tags?post=3308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}