{"id":3586,"date":"2006-06-29T17:39:00","date_gmt":"2006-06-29T08:39:00","guid":{"rendered":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/?p=3586"},"modified":"2021-08-12T11:57:17","modified_gmt":"2021-08-12T02:57:17","slug":"topic-%eb%82%b4%ec%9a%a9-%ec%a7%88%eb%ac%b8","status":"publish","type":"post","link":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/2006\/06\/29\/topic-%eb%82%b4%ec%9a%a9-%ec%a7%88%eb%ac%b8\/","title":{"rendered":"Topic \ub0b4\uc6a9 \uc9c8\ubb38"},"content":{"rendered":"

\uc790\uc2e0\uc758 \ud1a0\ud53d\uc758 \ub0b4\uc6a9\uacfc \uad00\ub828\ub41c \uc9c8\ubb38\uc744 \ubc1b\uc2b5\ub2c8\ub2e4. \uc9c8\ubb38\uc740 \ub9e8 \uc704\uc5d0 \uc4f0\uc138\uc694. <\/p>\n

Q : \uad50\uc218\ub2d8\uaed8 \uc774\uba5c\uc744 \ubcf4\ub0c8\ub294\ub370 \ud655\uc778\uc744 \uc548\ud558\uc2dc\ub124\uc694.\ub808\ud3ec\ud2b8 \uad00\ub828 \uc774\uba5c\uc785\ub2c8\ub2e4.\ub0b4\uc6a9\uc9c8\ubb38\uc774 \uc544\ub2c8\ub77c \uc81c\ucd9c\uad00\ub828 \ubb38\uc758\uc785\ub2c8\ub2e4.2003170544 \uc720\ud638\uc900 <\/p>\n

A: \uba54\uc77c\ub85c \uc798 \ubc1b\uc558\uc5b4\uc694. \ud559\uad50\uba54\uc77c\uc740 \uc678\ubd80\uc5d0\uc11c \uc218\uc2e0\ub9cc \ub418\uc5b4\uc11c \ud655\uc778\ud588\ub294\uac00\ub97c \uc54c \uc218\uac00 \uc5c6\uac8c \ub418\uc5b4 \uc788\uc5b4\uc694. – \uae40\uc601\uc6b1 <\/p>\n

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Q : \uad50\uc218\ub2d8\uaed8 \uba54\uc77c\uc744 \ubcf4\ub0c8\uc2b5\ub2c8\ub2e4. 2004170060 \uad8c\uc218\uc5f0 <\/p>\n

A: \uc544 \ubc1b\uc558\uc5b4\uc694. \uc6b0\uc120 \uac04\ub2e8\ud558\uac8c \uc5ec\uae30\uc5d0 \uc124\uba85\ud558\uace0 \uc870\uae08 \ub354 \uc0dd\uac01\ud574 \ubcfc\uaed8\uc694. \uc6b0\uc120\uc740 \uac00\uc7a5 \uac04\ub2e8\ud55c \uacbd\uc6b0\uc778 \uc138 \uba74\uc758 \uc774\uba74\uac01\uc774 \ubaa8\ub450 90\ub3c4\uc778 \uacbd\uc6b0\ubd80\ud130 \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0\uc758 \ub2e4\ub978 \uba74\uc758 \ub113\uc774\uacf5\uc2dd\uc740 \uc27d\uac8c \uc720\ub3c4\ud560 \uc218 \uc788\uc744\uac70 \uac19\uc544\uc694.(\uc77c\ubc18\uc801\uc778 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0…) \uadf8 \ub2e4\uc74c \uc774 \uc774\uba74\uac01 \uac00\uc6b4\ub370 \ud55c \uac01\ub9cc 90\ub3c4\uac00 \uc544\ub2cc \ub2e4\ub978 \uac01\uc778 \uacbd\uc6b0\ub97c \uc0b4\ud3b4\ubcf4\uc9c0\uc694. \uc774 \uacbd\uc6b0\uc5d0\ub3c4 \ubd80\ud53c\ub97c \uc27d\uac8c \uad6c\ud560 \uc218 \uc788\uc73c\ub2c8\uae4c \ub9c8\uc8fc\ubcf4\ub294 \uba74\uae4c\uc9c0\uc758 \uac70\ub9ac\ub97c \ucc3e\uc73c\uba74 \ub113\uc774\ub3c4 \uad6c\ud560 \uc218 \uc788\uaca0\uc9c0\uc694.(\uc774 \uacbd\uc6b0\uc5d0 \ubaa8\uc11c\ub9ac \uae38\uc774\ub294 \uc5ec\ub7ec \uacbd\uc6b0\uac00 \uac00\ub2a5\ud558\ub2c8\uae4c \uc138 \ubaa8\uc11c\ub9ac\ub4e4\uc744 \ubbf8\uc9c0\uc218\ub85c \ub193\uace0 \uacc4\uc0b0\ud558\uaca0\uc9c0\ub9cc \ubcf4\uc77c \uc218 \uc788\uc744 \uac70 \uac19\uc544\uc694.) \uc774 \ub54c\uc758 \uacf5\uc2dd\uc774 \uc77c\ubc18\uc801\uc778 \uacf5\uc2dd\uacfc \uc77c\uce58\ud558\ub294 \uac83\uc744 \ud655\uc778\ud558\ub294 \uac83\uc774\uc9c0\uc694. \uc989 cosine\uc774 \ud558\ub098 \ub098\ud0c0\ub0a0 \ub54c, \uc774\uac83\uc774 \uc81c \uc790\ub9ac\uc5d0 \ub098\uc624\ub294 \uac83\uc744 \ubcf4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc5ec\uae30 \uae4c\uc9c0 \ud558\uace0 \ub098\uc11c\ub294 \uadf8 \ub2e4\uc74c \uc2a4\ud15d\uc740 \uc870\uae08 \uc0dd\uac01\ud574 \ubd10\uc57c \ud560 \uac70 \uac19\uc544\uc694. – \uae40\uc601\uc6b1 <\/p>\n

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Q : \ubc1c\ud45c\uc8fc\uc81c \uc911\uc5d0 carnot\uc758 \uc0ac\uba74\uccb4\uc5d0 \ub300\ud55c \ucf54\uc0ac\uc778 \ubc95\uce59\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc744 \uc798 \ubabb\ucc3e\uaca0\uc2b5\ub2c8\ub2e4. \uc218\ud559\uc758 \uc5ed\uc0ac(\ud558)\uc5d0 carnot\uac00 \uc0ac\uba74\uccb4\uc5d0 \ub300\ud55c \ucf54\uc0ac\uc778 \uad00\uacc4\uc2dd\uc744 \uc720\ub3c4\ud588\ub2e4\ub294 \uc815\ub3c4\ub85c\ub9cc \ub098\uc624\uace0 \uc778\ud130\ub137\uc5d0\uc11c \uac80\uc0c9\uc744 \ud574\ub3c4 \ubabb\ucc3e\uaca0\uc2b5\ub2c8\ub2e4. \ud604\ub300\uc218\ud559 \uc785\ubb38, \uc218\ud559\uc774\ub780 \ubb34\uc5c7\uc778\uac00, \uac04\ucd94\ub9b0 \uc218\ud559\uc0ac \ub4f1\uc758 \ucc45\uc5d0\ub294 \uc548\ub098\uc624\ub294\ub370 \ub2e4\ub978 reference\uac00 \uc788\ub294\uc9c0 \uad81\uae08\ud569\ub2c8\ub2e4. 2006. 5. 15 2004170060 \uad8c\uc218\uc5f0 <\/p>\n

A: \uc870\uae08 \ucc3e\uc544\ubcf4\uace0 \ub2e4\uc2dc \uc4f8\uaed8\uc694. -\uae40\uc601\uc6b1 \ub2e4\uc74c \ud30c\uc77c\uc744 \ubc1b\uc544\ubcf4\uc138\uc694: http:\/\/math.korea.ac.kr\/~ywkim\/mawiki\/pds\/tetra_cosine_law.zip<\/a> <\/p>\n

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Q : \uc624\uc77c\ub7ec\uc758 four square theorem \uc5d0 \uad00\ud574\uc11c \ub2e8\uc21c\ud55c \uc9c8\ubb38\uc785\ub2c8\ub2e4. \uc5ec\uae30 \uc8fc\uc81c \ubaa9\ub85d\uc5d0\ub294 \uc774 \uc815\ub9ac\uac00 \uc624\uc77c\ub7ec\uc758 \uac83\uc73c\ub85c \uc368\uc788\ub294\ub370\uc694. \ucc45\uc5d0\uc11c \ubcf4\ub2c8 ” p\uac00 \ud640\uc218 \uc18c\uc218\uc77c\ub54c x,y\uac00 \uc874\uc7ac\ud558\uc5ec x^2 + y^2 + 1 = kp \ub85c \uc4f8 \uc218 \uc788\ub2e4.” \ub77c\ub294 \uc815\ub9ac\ub294 \uc624\uc77c\ub7ec\ub77c\uace0 \uc368\uc788\ub294\ub370 \uc815\uc791 four square thm\uc5d0 \ub300\ud574\uc11c\ub294 \ub77c\uadf8\ub791\uc8fc \ub77c\uace0 \uc368\uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 four square thm \uc740 \ub77c\uadf8\ub791\uc8fc\uac00 \uc99d\uba85\ud55c \uac83\uc778\uc9c0 \uad81\uae08\ud569\ub2c8\ub2e4. – (8\uc870 2002190634 \uad6c\ub3d9\uc11d 2006.5.11) <\/p>\n

A: 4 square theorem\uc740 lagrange\uac00 \uc99d\uba85\ud55c \uac83\uc774 \ub9de\uc2b5\ub2c8\ub2e4. \uc624\uc77c\ub7ec\ub294 \uc774\uac83\uc758 \uae30\ubcf8\uc774 \ub418\ub294 \ubd80\ubd84\uc744 \ud588\ub294\ub370\uc694, \uc704\uc5d0 \uc4f4 \uac83\uc774 \ub9de\uc544\uc694. p\uac00 \uc18c\uc218 \ud640\uc218\uc77c \ub54c \uc801\ub2f9\ud55c m\uc744 0<m<p \ub418\ub3c4\ub85d \uc7a1\uc73c\uba74 mp\ub97c \ub124 \uc815\uc218\uc758 \ud569( $ x^2+y^2+1^2+0^2 $ )\uc73c\ub85c \uc4f8 \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \ubcf4\uc600\ub2e4\uace0 \ub418\uc5b4 \uc788\uc5b4\uc694. \ub77c\uadf8\ub791\uc96c\ub294 \uc774\uac83\uc744 \uc0ac\uc6a9\ud574\uc11c 4 square theorem\uc744 \uc99d\uba85\ud588\ub2e4\uace0 \ud558\uace0\uc694. \uc624\uc77c\ub7ec\uc758 \ubd80\ubd84\ub9cc \uc124\uba85\ud574 \uc8fc\uc5b4\ub3c4 \ub418\uace0\uc694. \ub77c\uadf8\ub791\uc96c\ub97c \ubaa8\ub450 \uc124\uba85\ud574\ub3c4 \uc88b\uc544\uc694. \uc544\uc774\ub514\uc5b4\uc640 \uadf8 \ub0b4\uc6a9\uc758 \uc911\uc694\uc131\uc744 \uc774\uc57c\uae30\ud558\uae30 \ud3b8\ud55c \ucabd\uc73c\ub85c… <\/p>\n

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\uad50\uc218\uc5d0\uac8c \ub0a8\uae38 \ub9d0<\/h2>\n
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Q: 2\uc870 \ubc1c\ud45c \uc790\ub8cc EKU(\ud3ec\ud0c8 \ub0b4) \ud559\uc0dd\uc790\ub8cc\uc2e4\uc5d0 \uc62c\ub838\uc2b5\ub2c8\ub2e4. (\ubc15\ub450\ud55c, 06.5.10 11:25) <\/p>\n

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Q: 1\uc870 \ubc1c\ud45c\ub97c \uc704\ud55c \uc2a4\uce94\ud30c\uc77c\uc744 eku\uc5d0 \uc62c\ub838\uc2b5\ub2c8\ub2e4. (1\uc870 2004160148 \uc720\uc0c1\ud604 – 2006.5.9) <\/p>\n

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Q: 8\uc870 \uc81c\ucd9c\uc744 \uc704\ud55c \ud55c\uae00 \ud30c\uc77c\uc744 eku\uc5d0 \uc62c\ub838\uc2b5\ub2c8\ub2e4. (8\uc870 2006150296 \uc774\ud61c\uc194 – 2006.5.16) \uc57d\uac04 \uc218\uc815\ud574\uc11c \ub2e4\uc2dc \uc62c\ub838\uc2b5\ub2c8\ub2e4. (5.17) <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\uc790\uc2e0\uc758 \ud1a0\ud53d\uc758 \ub0b4\uc6a9\uacfc \uad00\ub828\ub41c \uc9c8\ubb38\uc744 \ubc1b\uc2b5\ub2c8\ub2e4. \uc9c8\ubb38\uc740 \ub9e8 \uc704\uc5d0 \uc4f0\uc138\uc694. Q : \uad50\uc218\ub2d8\uaed8 \uc774\uba5c\uc744 \ubcf4\ub0c8\ub294\ub370 \ud655\uc778\uc744 \uc548\ud558\uc2dc\ub124\uc694.\ub808\ud3ec\ud2b8 \uad00\ub828 \uc774\uba5c\uc785\ub2c8\ub2e4.\ub0b4\uc6a9\uc9c8\ubb38\uc774 \uc544\ub2c8\ub77c \uc81c\ucd9c\uad00\ub828 \ubb38\uc758\uc785\ub2c8\ub2e4.2003170544 \uc720\ud638\uc900 A: \uba54\uc77c\ub85c \uc798 \ubc1b\uc558\uc5b4\uc694. \ud559\uad50\uba54\uc77c\uc740 \uc678\ubd80\uc5d0\uc11c \uc218\uc2e0\ub9cc \ub418\uc5b4\uc11c \ud655\uc778\ud588\ub294\uac00\ub97c \uc54c \uc218\uac00 \uc5c6\uac8c \ub418\uc5b4 \uc788\uc5b4\uc694. – \uae40\uc601\uc6b1 Q : \uad50\uc218\ub2d8\uaed8 \uba54\uc77c\uc744 \ubcf4\ub0c8\uc2b5\ub2c8\ub2e4. 2004170060 \uad8c\uc218\uc5f0 A: \uc544 \ubc1b\uc558\uc5b4\uc694. \uc6b0\uc120 \uac04\ub2e8\ud558\uac8c \uc5ec\uae30\uc5d0 \uc124\uba85\ud558\uace0 \uc870\uae08 \ub354 … \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":[1],"tags":[],"class_list":["post-3586","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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\/3586","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=3586"}],"version-history":[{"count":1,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3586\/revisions"}],"predecessor-version":[{"id":3587,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/posts\/3586\/revisions\/3587"}],"wp:attachment":[{"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/media?parent=3586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/categories?post=3586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathematicians.korea.ac.kr\/ywkim\/wp-json\/wp\/v2\/tags?post=3586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}