{"id":25640,"date":"2023-12-08T23:52:30","date_gmt":"2023-12-08T16:52:30","guid":{"rendered":"https:\/\/kiencang.net\/?p=25640"},"modified":"2023-12-08T23:59:02","modified_gmt":"2023-12-08T16:59:02","slug":"cach-doc-mot-bai-nghien-cuu-5","status":"publish","type":"post","link":"https:\/\/kiencang.net\/cach-doc-mot-bai-nghien-cuu-5\/","title":{"rendered":"C\u00e1ch \u0111\u1ecdc m\u1ed9t b\u00e0i nghi\u00ean c\u1ee9u [5]"},"content":{"rendered":"\n<p class=\"has-text-align-center\"><strong>T\u00e1c gi\u1ea3: David Zureick-Brown<\/strong><\/p>\n\n\n\n<p><strong>T\u1eadp trung<\/strong>. T\u00f4i ch\u1ee7 \u0111\u1ed9ng t\u1eaft h\u1ea7u h\u1ebft c\u00e1c th\u00f4ng b\u00e1o tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 &#8220;kh\u00f4ng l\u00e0m phi\u1ec1n&#8221;. T\u00f4i kh\u00f4ng s\u1eed d\u1ee5ng m\u1ea1ng x\u00e3 h\u1ed9i khi l\u00e0m vi\u1ec7c v\u00e0 (c\u1ea7n nh\u1ea5n m\u1ea1nh l\u1ea1i) t\u00f4i kh\u00f4ng ki\u1ec3m tra email \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u00e2n t\u00e2m (c\u00f4ng vi\u1ec7c m\u1edbi s\u1ebd xu\u1ea5t hi\u1ec7n, v\u00e0 n\u1ebfu t\u00f4i kh\u00f4ng th\u1ec3 d\u00e0nh ra 10\u201320 ph\u00fat \u0111\u1ec3 x\u1eed l\u00fd, n\u00f3 s\u1ebd c\u00f2n \u0111\u00f3 v\u00e0 g\u00e2y xao l\u00e3ng). B\u1ea5t k\u1ef3 email n\u00e0o li\u00ean quan \u0111\u1ebfn d\u1ef1 \u00e1n chung \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh file PDF v\u00e0 \u0111\u01b0a v\u00e0o th\u01b0 m\u1ee5c li\u00ean quan \u0111\u1ebfn d\u1ef1 \u00e1n ngay khi ch\u00fang \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi, \u0111\u1ec3 t\u00f4i kh\u00f4ng c\u1ea7n ph\u1ea3i ki\u1ec3m tra email khi \u0111ang l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n<p><strong>T\u1ef1 \u0111\u1ed9ng h\u00f3a<\/strong>. H\u00e0ng tu\u1ea7n, t\u00f4i \u0111i\u1ec1u ph\u1ed1i h\u1ed9i th\u1ea3o nghi\u00ean c\u1ee9u \u0110\u1ea1i s\u1ed1 v\u00e0 L\u00fd thuy\u1ebft S\u1ed1 c\u1ee7a nh\u00f3m. \u0110\u1ed1i v\u1edbi m\u1ed7i di\u1ec5n gi\u1ea3 t\u1eeb b\u00ean ngo\u00e0i, t\u00f4i g\u1eedi 5\u20136 email (th\u00f4ng b\u00e1o v\u1ec1 h\u1ed9i th\u1ea3o, y\u00eau c\u1ea7u nh\u00e2n vi\u00ean l\u00e0m v\u00e0 \u0111\u0103ng qu\u1ea3ng c\u00e1o, x\u1eed l\u00fd ho\u00e0n ti\u1ec1n, v.v.). V\u1ec1 c\u01a1 b\u1ea3n, c\u00e1c email h\u00e0ng tu\u1ea7n \u0111\u1ec1u gi\u1ed1ng nhau, ch\u1ec9 thay \u0111\u1ed5i m\u1ed9t s\u1ed1 bi\u1ebfn; t\u00f4i c\u00f3 m\u1ed9t script bash (gi\u1ed1ng ki\u1ec3u l\u1eadp tr\u00ecnh \u0111\u1ec3 x\u1eed l\u00fd h\u00e0ng lo\u1ea1t) vi\u1ebft email cho m\u00ecnh. <\/p>\n\n\n\n<p><strong>N\u00f3i kh\u00f4ng<\/strong>. Ban \u0111\u1ea7u t\u00f4i ch\u1ea5p nh\u1eadn m\u1ecdi y\u00eau c\u1ea7u ph\u1ea3n bi\u1ec7n h\u1ee3p l\u00fd. Cu\u1ed1i c\u00f9ng, m\u1ed9t s\u1ed1 \u0111\u1ed3ng nghi\u1ec7p nhi\u1ec1u kinh nghi\u1ec7m gi\u1ea3i th\u00edch r\u1eb1ng h\u1ecd t\u1eeb ch\u1ed1i nhi\u1ec1u y\u00eau c\u1ea7u. Nh\u1eefng &#8220;c\u00f4ng d\u00e2n t\u1ed1t&#8221; d\u01b0\u1eddng nh\u01b0 ph\u1ea3n bi\u1ec7n kho\u1ea3ng ba b\u00e0i b\u00e1o cho m\u1ed7i b\u00e0i h\u1ecd g\u1eedi \u0111i, v\u00e0 t\u00f4i c\u1ed1 g\u1eafng tu\u00e2n theo \u0111i\u1ec1u n\u00e0y (ngay c\u1ea3 khi b\u00e0i b\u00e1o tr\u00f4ng th\u00fa v\u1ecb v\u00e0 t\u00f4i l\u00e0 ng\u01b0\u1eddi ph\u1ea3n bi\u1ec7n ph\u00f9 h\u1ee3p).<\/p>\n\n\n\n<p>Vi\u1ec7c t\u1eeb ch\u1ed1i lu\u00f4n kh\u00f3 kh\u0103n, v\u00e0 v\u1ec1 m\u1eb7t t\u00e2m l\u00fd, t\u00f4i c\u1ea7n &#8220;s\u1ef1 cho ph\u00e9p&#8221; \u0111\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb ch\u1ed1i c\u00e1c y\u00eau c\u1ea7u. R\u1ea5t h\u1eefu \u00edch khi c\u00e1c k\u1ef3 v\u1ecdng v\u1ec1 c\u00f4ng vi\u1ec7c thu\u1ed9c ph\u00f2ng ban c\u1ee7a t\u00f4i \u0111\u01b0\u1ee3c n\u00eau ra m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 tr\u1ef1c ti\u1ebfp. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, t\u00f4i th\u1ea5y vi\u1ebft b\u00e0i cho Mathematical Reviews kh\u00e1 c\u0103ng th\u1eb3ng v\u00e0 kh\u00f3 kh\u0103n nh\u01b0ng t\u1ed5 ch\u1ee9c h\u1ed9i ngh\u1ecb l\u1ea1i th\u00fa v\u1ecb v\u00e0 tho\u1ea3i m\u00e1i; \u1edf th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i t\u00f4i t\u1ed5 ch\u1ee9c h\u1ed9i ngh\u1ecb nhi\u1ec1u h\u01a1n.<\/p>\n\n\n\n<p><strong>Hi\u1ec7u qu\u1ea3<\/strong>. T\u00f4i c\u00f3 th\u1ec3 vi\u1ebft th\u00eam m\u1ed9t b\u00e0i b\u00e1o kh\u00e1c v\u1ec1 nh\u1eefng th\u00f3i quen v\u00e0 l\u1ecbch tr\u00ecnh gi\u00fap t\u00f4i c\u00f3 nhi\u1ec1u th\u1eddi gian h\u01a1n.<\/p>\n\n\n\n<p>T\u00f4i \u0111i xe \u0111\u1ea1p \u0111\u1ebfn n\u01a1i l\u00e0m vi\u1ec7c: m\u1ea5t kho\u1ea3ng 25 ph\u00fat th\u00f4i, so v\u1edbi 35\u201340 ph\u00fat l\u00e1i xe v\u00e0 t\u00ecm ch\u1ed7 \u0111\u1eadu. B\u1ed9 ph\u1eadn c\u1ee7a ch\u00fang t\u00f4i c\u00f3 ph\u00f2ng t\u1eafm \u1edf t\u1ea7ng c\u1ee7a m\u00ecnh. T\u00f4i th\u1ea5y \u0111\u1ea1p xe kh\u00f4ng ch\u1ec9 gi\u00fap t\u1eadp cardio m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c t\u00e2m tr\u1ea1ng v\u00e0 s\u1ee9c kh\u1ecfe tinh th\u1ea7n n\u1eefa.<\/p>\n\n\n\n<p>M\u1ed7i h\u1ecdc k\u1ef3 t\u00f4i l\u1ea5y \u00fd ki\u1ebfn sinh vi\u00ean \u0111\u1ec3 t\u00ecm ra m\u1ed9t khung gi\u1edd ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi ng\u01b0\u1eddi, \u0111\u1ec3 h\u1ecd c\u00f3 th\u1ec3 tham gia gi\u1edd h\u1ed7 tr\u1ee3. T\u00f4i d\u00e0nh ri\u00eang m\u1ed9t ph\u00f2ng h\u1ecdc cho gi\u1edd h\u1ed7 tr\u1ee3. Sinh vi\u00ean c\u00f3 th\u1ec3 \u0111\u1ebfn d\u00f9 h\u1ecd kh\u00f4ng c\u00f3 c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3, v\u00e0 t\u00f4i c\u00f3 th\u1ec3 r\u1eddi \u0111i ngay khi k\u1ebft th\u00fac. (D\u00f9 sao th\u00ec v\u0103n ph\u00f2ng c\u1ee7a t\u00f4i c\u0169ng kh\u00f4ng th\u1ec3 ch\u1ee9a qu\u00e1 3\u20134 ng\u01b0\u1eddi.)<\/p>\n\n\n\n<p>Sau m\u1ed7i bu\u1ed5i h\u1ecdc, t\u00f4i qu\u00e9t ghi ch\u00fa gi\u1ea3ng d\u1ea1y c\u1ee7a m\u00ecnh; t\u00f4i \u0111\u1eb7t t\u00ean file bao g\u1ed3m ng\u00e0y th\u00e1ng, s\u1ed1 bu\u1ed5i gi\u1ea3ng v\u00e0 m\u00e3 s\u1ed1 kh\u00f3a h\u1ecdc, \u0111\u1ed3ng th\u1eddi gi\u1eef m\u1ed9t b\u1ea3n t\u00f3m t\u1eaft ng\u1eafn g\u1ecdn v\u1ec1 nh\u1eefng n\u1ed9i dung \u0111\u00e3 truy\u1ec1n \u0111\u1ea1t trong t\u1eebng bu\u1ed5i. Vi\u1ec7c d\u1ea1y m\u1ed9t kh\u00f3a h\u1ecdc l\u1ea7n th\u1ee9 hai (ho\u1eb7c l\u1ea7n th\u1ee9 ch\u00edn\u2026) tr\u1edf n\u00ean r\u1ea5t d\u1ec5 d\u00e0ng, v\u00e0 lo\u1ea1i h\u00ecnh t\u1ed5 ch\u1ee9c n\u00e0y t\u1ea1o ra th\u1eddi gian v\u00e0 kh\u00f4ng gian \u0111\u1ec3 t\u1eadp trung c\u1ea3i thi\u1ec7n kh\u00f3a h\u1ecdc. V\u00e0 n\u1ebfu t\u00f4i k\u1eb9t \u1edf \u0111\u00e2u \u0111\u00f3 (v\u00ed d\u1ee5, chuy\u1ebfn bay b\u1ecb tr\u00ec ho\u00e3n), t\u00f4i c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o ghi ch\u00fa th\u00f4ng qua Dropbox v\u00e0 s\u1eed d\u1ee5ng th\u1eddi gian \u0111\u00f3 \u0111\u1ec3 \u00f4n l\u1ea1i v\u00e0 chu\u1ea9n b\u1ecb.<\/p>\n\n\n\n<p>Th\u1ef1c ra, t\u00f4i qu\u00e9t m\u1ecdi th\u1ee9; v\u0103n ph\u00f2ng c\u1ee7a t\u00f4i \u0111\u1ed1i di\u1ec7n v\u1edbi ch\u1ed7 \u0111\u1ec3 m\u00e1y in\/m\u00e1y qu\u00e9t, v\u00e0 Dropbox c\u00f3 \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng ti\u1ec7n \u00edch (n\u1ebfu t\u00f4i c\u00f3 bi\u00ean lai \u0103n u\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c ho\u00e0n ti\u1ec1n, t\u00f4i qu\u00e9t l\u1ea1i ngay l\u1eadp t\u1ee9c). N\u1ebfu t\u00f4i thuy\u1ebft tr\u00ecnh tr\u00ean b\u1ea3ng ph\u1ea5n, t\u00f4i c\u0169ng qu\u00e9t ghi ch\u00fa (v\u00e0 l\u01b0u ch\u00fang \u1edf n\u01a1i d\u1ec5 t\u00ecm l\u1ea1i).<\/p>\n\n\n\n<p><strong>H\u00e3y th\u1ea3o lu\u1eadn!<\/strong> T\u00f4i \u0111\u00e3 c\u00f3 v\u00f4 s\u1ed1 cu\u1ed9c tr\u00f2 chuy\u1ec7n v\u1ec1 nh\u1eefng ch\u1ee7 \u0111\u1ec1 n\u00e0y (trong c\u00e1c bu\u1ed5i tr\u00e0 chi\u1ec1u, b\u1eefa ti\u1ec7c h\u1ed9i ngh\u1ecb, \u1edf h\u00e0nh lang) v\u00e0 \u0111\u00e3 thu \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch. Ngh\u1ec1 nghi\u1ec7p c\u1ee7a ch\u00fang ta c\u00f3 xu h\u01b0\u1edbng ch\u1ea5t \u0111\u1ed1ng c\u00f4ng vi\u1ec7c m\u00e0 \u00edt c\u00f3 s\u1ef1 h\u01b0\u1edbng d\u1eabn, v\u00e0 vi\u1ec7c ti\u1ebfp c\u1eadn v\u1edbi c\u00e1c \u0111\u1ed3ng nghi\u1ec7p gi\u00e0u kinh nghi\u1ec7m c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 v\u00e0 gi\u00fap gi\u1ea3i t\u1ecfa c\u0103ng th\u1eb3ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center\"><strong>C\u00e1ch \u0110\u1ecdc m\u1ed9t B\u00e0i B\u00e1o Nghi\u00ean C\u1ee9u<br>Matt Baker<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left\"><em>Matt Baker l\u00e0 gi\u00e1o s\u01b0 to\u00e1n t\u1ea1i Vi\u1ec7n C\u00f4ng ngh\u1ec7 Georgia. \u0110\u1ecba ch\u1ec9 email c\u1ee7a \u00f4ng l\u00e0 mbaker@math.gatech.edu.<\/em><\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u0111\u1ecdc m\u1ed9t b\u00e0i b\u00e1o nghi\u00ean c\u1ee9u, t\u00f4i khuy\u00ean b\u1ea1n n\u00ean quy\u1ebft \u0111\u1ecbnh tr\u01b0\u1edbc l\u00fd do <em>t\u1ea1i sao<\/em> b\u1ea1n mu\u1ed1n \u0111\u1ecdc n\u00f3, b\u1ea1n hy v\u1ecdng s\u1ebd thu \u0111\u01b0\u1ee3c g\u00ec t\u1eeb b\u00e0i b\u00e1o \u1ea5y, v\u00e0 b\u1ea1n s\u1eb5n l\u00f2ng d\u00e0nh bao nhi\u00eau th\u1eddi gian cho vi\u1ec7c n\u00e0y. Sau \u0111\u00f3, h\u00e3y ph\u00e2n lo\u1ea1i b\u00e0i b\u00e1o v\u00e0o m\u1ed9t trong ba h\u1ea1ng m\u1ee5c sau:<\/p>\n\n\n\n<ul>\n<li><strong>\u0110\u1ecdc nhanh<\/strong> (Speed Read): M\u1ed9t b\u00e0i b\u00e1o m\u00e0 b\u1ea1n d\u1ef1 \u0111\u1ecbnh ch\u1ec9 \u0111\u1ecdc ph\u1ea7n gi\u1edbi thi\u1ec7u, \u0111\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 k\u1ebft qu\u1ea3, r\u1ed3i sau \u0111\u00f3 c\u00f3 th\u1ec3 l\u01b0\u1edbt qua c\u00e1c ph\u1ea7n kh\u00e1c.<\/li>\n\n\n\n<li><strong>L\u01b0\u1edbt k\u1ef9<\/strong> (Substantial Skim): M\u1ed9t b\u00e0i b\u00e1o m\u00e0 b\u1ea1n d\u1ef1 \u0111\u1ecbnh l\u01b0\u1edbt qua t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i, nh\u01b0ng c\u00f3 th\u1ec3 s\u1ebd \u0111\u1ecdc k\u1ef9 m\u1ed9t s\u1ed1 ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>Nghi\u00ean c\u1ee9u s\u00e2u<\/strong> (Deep Dive): M\u1ed9t b\u00e0i b\u00e1o m\u00e0 b\u1ea1n mu\u1ed1n n\u1eafm v\u1eefng v\u00e0 hi\u1ec3u r\u00f5 t\u1eebng chi ti\u1ebft c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n\n\n\n<p>Vi\u1ec7c c\u00f3 c\u00e1c danh m\u1ee5c kh\u00e1c nhau r\u1ea5t h\u1eefu \u00edch, b\u1edfi v\u00ec m\u1ed7i ng\u00e0y c\u00f3 r\u1ea5t nhi\u1ec1u nghi\u00ean c\u1ee9u to\u00e1n h\u1ecdc th\u00fa v\u1ecb \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n, v\u00e0 vi\u1ec7c theo k\u1ecbp t\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 l\u00e0 b\u1ea5t kh\u1ea3. H\u1ea7u nh\u01b0 h\u00e0ng ng\u00e0y, t\u00f4i duy\u1ec7t qua danh s\u00e1ch b\u1ea3n th\u1ea3o tr\u01b0\u1edbc khi in c\u1ee7a arXiv (trang web arXiv l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u01b0u tr\u1eef \u0111i\u1ec7n t\u1eed d\u1ea1ng ti\u1ec1n in \u1ea5n c\u1ee7a c\u00e1c b\u00e0i b\u00e1o khoa h\u1ecdc, trong \u0111\u00f3 c\u00f3 to\u00e1n h\u1ecdc) trong ba danh m\u1ee5c kh\u00e1c nhau. T\u00f4i nh\u1eadn th\u00f4ng b\u00e1o qua email cho t\u1ea5t c\u1ea3 c\u00e1c b\u00e0i \u0111\u0103ng m\u1edbi v\u00e0 s\u1eeda \u0111\u1ed5i, trong t\u1eebng danh m\u1ee5c n\u00e0y, v\u00e0 t\u00f4i c\u1ed1 g\u1eafng, trong h\u1ea7u h\u1ebft c\u00e1c ng\u00e0y, \u0111\u1ec3 &#8220;\u0111\u1ecdc l\u01b0\u1edbt&#8221; \u00edt nh\u1ea5t m\u1ed9t b\u00e0i b\u00e1o m\u1edbi trong khi u\u1ed1ng c\u00e0 ph\u00ea s\u00e1ng. T\u00f4i c\u0169ng \u0111\u00e1nh d\u1ea5u c\u00e1c b\u00e0i b\u00e1o \u0111\u1ec3 c\u00f3 th\u1ec3 quay l\u1ea1i \u0111\u1ecdc sau (m\u1eb7c d\u00f9 th\u00e0nh th\u1eadt l\u00e0 t\u00f4i kh\u00f4ng c\u00f3 th\u1eddi gian quay l\u1ea1i \u0111\u1ec3 \u0111\u1ecdc nhi\u1ec1u b\u00e0i \u0111\u00e3 \u0111\u00e1nh d\u1ea5u \u0111\u00f3). T\u00f4i l\u01b0\u1edbt qua c\u00e1c t\u00f3m t\u1eaft tr\u00ean arXiv &#8211; trong b\u1ea3n tin h\u00e0ng ng\u00e0y c\u1ee7a h\u1ecd, v\u00e0 sau \u0111\u00f3 \u0111\u1ecdc nhanh \u00edt nh\u1ea5t m\u1ed9t b\u00e0i b\u00e1o m\u1ed7i ng\u00e0y, \u0111i\u1ec1u \u0111\u00f3 gi\u00fap t\u00f4i c\u1ea3m th\u1ea5y m\u00ecnh ti\u1ebfp x\u00fac th\u01b0\u1eddng xuy\u00ean v\u1edbi nh\u1eefng g\u00ec \u0111ang x\u1ea3y ra trong c\u00e1c l\u0129nh v\u1ef1c b\u1ea3n th\u00e2n quan t\u00e2m nh\u1ea5t.<\/p>\n\n\n\n<p>V\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u0110\u1ecdc Nhanh, t\u00f4i kh\u00f4ng m\u1ea5t nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 c\u1ed1 g\u1eafng hi\u1ec3u r\u00f5 c\u00e1c \u0111\u1ecbnh ngh\u0129a ph\u1ee9c t\u1ea1p hay l\u00fd do ch\u00ednh x\u00e1c t\u1ea1i sao c\u00e1c gi\u1ea3 thuy\u1ebft trong c\u00e1c \u0111\u1ecbnh l\u00fd l\u1ea1i nh\u01b0 v\u1eady; t\u00f4i ch\u1ec9 mu\u1ed1n c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 b\u00e0i b\u00e1o v\u00e0 h\u1ecdc h\u1ecfi \u0111i\u1ec1u g\u00ec \u0111\u00f3 m\u1edbi, d\u00f9 ki\u1ebfn th\u1ee9c \u0111\u00f3 c\u00f3 th\u1ec3 ch\u1ec9 l\u00e0 b\u1ec1 n\u1ed5i m\u00e0 th\u00f4i. Vi\u1ec7c \u0111\u1ecdc n\u00e0y s\u1ebd m\u1ea5t kho\u1ea3ng 15 ph\u00fat cho m\u1ed9t b\u00e0i b\u00e1o trung b\u00ecnh.<\/p>\n\n\n\n<p>N\u1ebfu b\u00e0i b\u00e1o \u0111\u1ea5y th\u1ef1c s\u1ef1 th\u00fa v\u1ecb v\u00e0 t\u00f4i mu\u1ed1n \u0111\u1ecdc v\u00e0 h\u1ecdc h\u1ecfi nhi\u1ec1u h\u01a1n, t\u00f4i s\u1ebd n\u00e2ng c\u1ea5p, v\u00e0 \u0111\u01b0a v\u00e0o danh m\u1ee5c &#8220;L\u01b0\u1edbt K\u1ef9&#8221; v\u00e0 sau n\u00e0y s\u1ebd quay l\u1ea1i xem x\u00e9t n\u00f3 chi ti\u1ebft h\u01a1n. T\u00f4i nh\u1eadn th\u1ea5y r\u1eb1ng theo th\u1eddi gian, vi\u1ec7c thu th\u1eadp nh\u1eefng \u1ea5n t\u01b0\u1ee3ng nhanh ch\u00f3ng th\u00f4ng qua \u0110\u1ecdc Nhanh c\u1ee7a t\u00f4i th\u1ef1c s\u1ef1 cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng kh\u00e1 s\u00e2u r\u1ed9ng \u0111\u1ec3 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau trong b\u1ed1i c\u1ea3nh r\u1ed9ng l\u1edbn c\u1ee7a to\u00e1n h\u1ecdc n\u00f3i chung.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00e1c b\u00e0i b\u00e1o khoa h\u1ecdc (kho\u1ea3ng m\u1ed9t b\u00e0i m\u1ed7i tu\u1ea7n, trong tr\u01b0\u1eddng h\u1ee3p c\u1ee7a t\u00f4i, m\u1eb7c d\u00f9 con s\u1ed1 bi\u1ebfn \u0111\u1ed9ng c\u0169ng kh\u00e1 l\u1edbn), t\u00f4i s\u1ebd th\u1ef1c hi\u1ec7n vi\u1ec7c \u0111\u1ecdc L\u01b0\u1edbt K\u1ef9. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c \u0111\u1ecdc qua t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ecbnh ngh\u0129a v\u00e0 ph\u00e1t bi\u1ec3u, v\u00e0 \u00edt nh\u1ea5t l\u00e0 m\u1ed9t s\u1ed1 ph\u1ea7n ch\u1ee9ng minh, trong to\u00e0n b\u1ed9 b\u00e0i b\u00e1o v\u00e0 c\u1ed1 g\u1eafng hi\u1ec3u th\u1ef1c s\u1ef1 \u0111i\u1ec1u g\u00ec \u0111ang x\u1ea3y ra. M\u1ee5c ti\u00eau c\u1ee7a t\u00f4i \u1edf \u0111\u00e2y l\u00e0 \u0111\u1ec3 ghi nh\u1edb v\u1eefng ch\u1eafc b\u00e0i b\u00e1o v\u00e0o t\u00e2m tr\u00ed m\u00ecnh, \u0111\u1ebfn m\u1ee9c sau n\u00e0y t\u00f4i c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 \u00fd t\u01b0\u1edfng \u1ea5y v\u00e0o suy ngh\u0129 c\u1ee7a m\u00ecnh. Khi t\u00f4i \u0111\u1ecdc m\u1ed9t b\u00e0i b\u00e1o theo c\u00e1ch n\u00e0y, \u0111\u00f4i khi t\u00f4i s\u1ebd ghi ch\u00e9p l\u1ea1i c\u00e1c \u0111\u1ecbnh ngh\u0129a ho\u1eb7c ph\u00e1t bi\u1ec3u quan tr\u1ecdng (ho\u1eb7c trong s\u1ed5 tay c\u1ee9ng ho\u1eb7c b\u1eb1ng file Evernote), v\u00e0 c\u00f3 th\u1ec3 t\u00f4i s\u1ebd xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng m\u1ed9t s\u1ed1 lu\u1eadn \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c \u0111i\u1ec3m c\u1ee5 th\u1ec3. Tuy nhi\u00ean, t\u00f4i kh\u00f4ng c\u1ed1 g\u1eafng ki\u1ec3m tra t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a b\u00e0i b\u00e1o ho\u1eb7c c\u1ed1 g\u1eafng hi\u1ec3u to\u00e0n di\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt. \u0110\u00e2y th\u1ef1c s\u1ef1 l\u00e0 lo\u1ea1i \u0111\u1ecdc y\u00eau th\u00edch c\u1ee7a t\u00f4i, v\u00ec t\u00f4i h\u1ecdc \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u \u0111i\u1ec1u m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i d\u00e0nh qu\u00e1 nhi\u1ec1u gi\u1edd l\u00e0m vi\u1ec7c. T\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a b\u00e0i b\u00e1o, lo\u1ea1i \u0111\u1ecdc n\u00e0y c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb m\u1ed9t \u0111\u1ebfn ba gi\u1edd cho m\u1ed7i 10 trang.<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p &#8220;Nghi\u00ean C\u1ee9u S\u00e2u&#8221;. Hi\u1ec7n t\u1ea1i, t\u00f4i c\u00f3 l\u1ebd ch\u1ec9 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y cho kho\u1ea3ng m\u1ed9t b\u00e0i b\u00e1o m\u1ed7i th\u00e1ng ho\u1eb7c hai th\u00e1ng m\u1ed9t l\u1ea7n (m\u1eb7c d\u00f9 khi c\u00f2n tr\u1ebb v\u00e0 \u00edt b\u1ecb ng\u1eadp l\u1ee5t b\u1edfi tr\u00e1ch nhi\u1ec7m, t\u1ea7n su\u1ea5t n\u00e0y cao h\u01a1n). \u1ede \u0111\u00e2y, t\u00f4i s\u1ebd d\u00e0nh \u0111\u1ee7 th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u c\u00e1c \u0111\u1ecbnh ngh\u0129a, \u0111i\u1ec1u ki\u1ec7n c\u1ee7a c\u00e1c \u0111\u1ecbnh l\u00fd, v\u00e0 logic \u0111\u1eb1ng sau c\u00e1c lu\u1eadn c\u1ee9. \u0110\u00f4i khi t\u00f4i s\u1ebd vi\u1ebft ra nh\u1eefng ghi ch\u00fa chi ti\u1ebft trong m\u1ed9t quy\u1ec3n s\u1ed5, v\u00e0 c\u00e0ng th\u01b0\u1eddng xuy\u00ean c\u00e0ng t\u1ed1t, t\u00f4i s\u1ebd d\u1eebng \u0111\u1ecdc v\u00e0 xem li\u1ec7u m\u00ecnh c\u00f3 th\u1ec3 t\u1ef1 t\u00ecm ra b\u01b0\u1edbc ti\u1ebfp theo hay kh\u00f4ng. N\u1ebfu t\u00f4i th\u1ef1c s\u1ef1 quan t\u00e2m \u0111\u1ebfn vi\u1ec7c hi\u1ec3u r\u00f5 b\u00e0i b\u00e1o v\u00e0 gi\u1eef l\u1ea1i ki\u1ebfn th\u1ee9c, t\u00f4i s\u1ebd c\u1ed1 g\u1eafng gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3 cho ng\u01b0\u1eddi kh\u00e1c; kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o t\u1ed1t h\u01a1n vi\u1ec7c d\u1ea1y \u0111\u1ec3 ti\u1ebfp thu th\u00f4ng tin ph\u1ee9c t\u1ea1p! T\u00f4i c\u0169ng tra c\u1ee9u c\u00e1c n\u1ec1n t\u1ea3ng trong c\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o, mi\u1ec5n l\u00e0 n\u00f3 kh\u00f4ng d\u1eabn \u0111\u1ebfn m\u1ed9t chu\u1ed7i nhu c\u1ea7u theo h\u00e0m s\u1ed1 m\u0169 (\u00fd l\u00e0 \u0111\u1ec3 hi\u1ec3u r\u00f5 m\u1ed9t c\u00e1i th\u00ec l\u1ea1i ph\u1ea3i t\u00ecm hi\u1ec3u r\u1ea5t nhi\u1ec1u c\u00e1i kh\u00e1c, \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn qu\u1ea3 t\u1ea3i). V\u00e0 t\u00f4i s\u1ebd gi\u1eef m\u1ed9t danh s\u00e1ch c\u00e1c l\u1ed7i \u0111\u00e1nh m\u00e1y ho\u1eb7c l\u1ed7i kh\u00e1c m\u00e0 t\u00f4i ph\u00e1t hi\u1ec7n, r\u1ed3i g\u1eedi cho t\u00e1c gi\u1ea3 khi th\u00edch h\u1ee3p. Vi\u1ec7c \u0111\u1ecdc nh\u01b0 v\u1eady c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb 15 ph\u00fat \u0111\u1ebfn v\u00e0i gi\u1edd cho m\u1ed7i trang, tu\u1ef3 thu\u1ed9c v\u00e0o ch\u1ee7 \u0111\u1ec1 v\u00e0 m\u1ee9c \u0111\u1ed9 quen thu\u1ed9c c\u1ee7a t\u00f4i v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n.<\/p>\n\n\n\n<p>Th\u00e0nh th\u1ef1c m\u00e0 n\u00f3i, \u1edf th\u1eddi \u0111i\u1ec3m n\u00e0y t\u00f4i ch\u1ec9 d\u00e0nh th\u1eddi gian \u0111\u1ec3 &#8220;Nghi\u00ean C\u1ee9u S\u00e2u&#8221; khi m\u1ed9t b\u00e0i b\u00e1o ho\u1eb7c l\u00e0 c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nghi\u00ean c\u1ee9u hi\u1ec7n t\u1ea1i c\u1ee7a t\u00f4i ho\u1eb7c t\u00f4i \u0111\u00e3 \u0111\u1ed3ng \u00fd l\u00e0m ng\u01b0\u1eddi ph\u1ea3n bi\u1ec7n cho n\u00f3. Nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 h\u1ec7 qu\u1ea3 c\u1ee7a nh\u1eefng l\u1ef1a ch\u1ecdn t\u00f4i \u0111\u00e3 \u0111\u01b0a ra v\u00e0 nh\u1eefng \u01b0u ti\u00ean t\u00f4i \u0111\u1eb7t ra trong cu\u1ed9c s\u1ed1ng c\u1ee7a m\u00ecnh, v\u00e0 t\u1ea5t nhi\u00ean, n\u1ebfu b\u1ea1n th\u1ef1c s\u1ef1 mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t c\u01a1 s\u1edf ki\u1ebfn th\u1ee9c v\u1eefng ch\u1eafc, b\u1ea1n n\u00ean th\u01b0\u1eddng xuy\u00ean &#8220;\u0110\u00e0o S\u00e2u&#8221; ki\u1ebfn th\u1ee9c nhi\u1ec1u nh\u1ea5t c\u00f3 th\u1ec3. N\u1ebfu gi\u1ed1ng nh\u01b0 t\u00f4i, ngh\u0129a l\u00e0 b\u1ea1n lu\u00f4n c\u1ea3m th\u1ea5y b\u1eadn r\u1ed9n v\u00e0 qu\u00e1 t\u1ea3i, m\u1ed9t c\u00e1ch kh\u00e1c \u0111\u1ec3 &#8220;\u0111\u1ecdc&#8221; m\u1ed9t b\u00e0i b\u00e1o l\u00e0 giao nhi\u1ec7m v\u1ee5 \u0111\u00f3 cho m\u1ed9t sinh vi\u00ean gi\u1ea3i th\u00edch cho b\u1ea1n! Ho\u1eb7c t\u1ed5 ch\u1ee9c m\u1ed9t nh\u00f3m h\u1ecdc v\u00e0 ph\u00e2n chia c\u00f4ng vi\u1ec7c cho c\u00e1c sinh vi\u00ean v\u00e0 \u0111\u1ed3ng nghi\u1ec7p. T\u00f4i \u0111\u00e3 l\u00e0m \u0111i\u1ec1u n\u00e0y g\u1ea7n \u0111\u00e2y v\u1edbi b\u00e0i b\u00e1o &#8220;Lorentzian Polynomials&#8221; c\u1ee7a Petter Br\u00e4nd\u00e9n v\u00e0 June Huh trong su\u1ed1t m\u1ed9t h\u1ecdc k\u1ef3. (\u0110\u1ec3 bi\u1ebft v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch t\u1ed5 ch\u1ee9c m\u1ed9t h\u1ed9i th\u1ea3o nh\u01b0 v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 xem trang web n\u00e0y: <a href=\"https:\/\/sites.google\n.com\/view\/gtlorentzian\" target=\"_blank\" rel=\"noreferrer noopener\">sites.google.com\/view\/gtlorentzian<\/a>.)<\/p>\n\n\n\n<p>M\u1ed9t \u0111i\u1ec1u kh\u00e1c t\u00f4i ngh\u0129 cung quan tr\u1ecdng \u0111\u00f3 l\u00e0 \u0111\u1ecdc r\u1ed9ng v\u00e0 c\u1ed1 g\u1eafng m\u1edf r\u1ed9ng ranh gi\u1edbi hi\u1ec3u bi\u1ebft c\u1ee7a b\u1ea1n. \u0110\u1eb7c bi\u1ec7t v\u1edbi vi\u1ec7c \u0110\u1ecdc Nhanh v\u00e0 \u0110\u1ecdc L\u01b0\u1edbt K\u1ef9, kh\u00f4ng ch\u1ec9 \u0111\u1ecdc m\u1ed9t lo\u1ea1t c\u00e1c b\u00e0i b\u00e1o v\u1ec1 <em>c\u00f9ng m\u1ed9t ch\u1ee7 \u0111\u1ec1<\/em> xuy\u00ean su\u1ed1t th\u1eddi gian, m\u00e0 c\u00f2n c\u1ea7n \u0111\u1ecdc <em>c\u00e1c ch\u1ee7 \u0111\u1ec1 kh\u00e1c nhau<\/em> trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn. Khi \u1ea5y n\u00e3o b\u1ed9 c\u1ee7a b\u1ea1n s\u1ebd t\u1ef1 \u0111\u1ed9ng kh\u00e1m ph\u00e1 c\u00e1c k\u1ebft n\u1ed1i v\u00e0 b\u1eaft \u0111\u1ea7u suy ngh\u0129 &#8220;ngo\u00e0i l\u1ec1 \/ outside the box&#8221;.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn ri\u00eang c\u1ee7a t\u00f4i khi \u0111\u1ecdc c\u00e1c b\u00e0i b\u00e1o to\u00e1n h\u1ecdc, v\u00e0 t\u00f4i kh\u00f4ng kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng c\u00f9ng m\u1ed9t k\u1ef9 thu\u1eadt s\u1ebd hi\u1ec7u qu\u1ea3 v\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi. Nh\u01b0ng t\u00f4i tin r\u1eb1ng m\u1ed7i nh\u00e0 to\u00e1n h\u1ecdc c\u1ea7n ph\u1ea3i ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u0111\u1ecdc c\u00e1c b\u00e0i b\u00e1o nghi\u00ean c\u1ee9u, nh\u1eb1m d\u1ea7n d\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3 b\u1ec1 r\u1ed9ng l\u1eabn chi\u1ec1u s\u00e2u ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 theo k\u1ecbp s\u1ef1 ti\u1ebfn tri\u1ec3n kh\u00f4ng ng\u1eebng nh\u01b0ng c\u0169ng th\u00fa v\u1ecb c\u1ee7a to\u00e1n h\u1ecdc hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<p><strong>File PDF \u0111\u1ec3 ti\u1ec7n l\u01b0u tr\u1eef: <a href=\"https:\/\/kiencang.net\/wp-content\/uploads\/2023\/12\/cach-doc-bai-nghien-cuu-5.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">kiencang.net\/wp-content\/uploads\/2023\/12\/cach-doc-bai-nghien-cuu-5.pdf<\/a><\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">&#8211;<\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong>B\u00e0i g\u1ed1c: <a href=\"https:\/\/www.ams.org\/notices\/202005\/rnoti-p660.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">ams.org\/notices\/202005\/rnoti-p660.pdf<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e1c gi\u1ea3: David Zureick-Brown T\u1eadp trung. T\u00f4i ch\u1ee7 \u0111\u1ed9ng t\u1eaft h\u1ea7u h\u1ebft c\u00e1c th\u00f4ng b\u00e1o tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 &#8220;kh\u00f4ng l\u00e0m phi\u1ec1n&#8221;. T\u00f4i kh\u00f4ng s\u1eed d\u1ee5ng m\u1ea1ng x\u00e3 h\u1ed9i khi l\u00e0m vi\u1ec7c v\u00e0 (c\u1ea7n nh\u1ea5n m\u1ea1nh l\u1ea1i) t\u00f4i kh\u00f4ng ki\u1ec3m tra email \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u00e2n t\u00e2m (c\u00f4ng vi\u1ec7c m\u1edbi s\u1ebd xu\u1ea5t &hellip;<\/p>\n","protected":false},"author":1,"featured_media":25647,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[453],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch \u0111\u1ecdc m\u1ed9t b\u00e0i nghi\u00ean c\u1ee9u [5] &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/cach-doc-mot-bai-nghien-cuu-5\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch \u0111\u1ecdc m\u1ed9t b\u00e0i nghi\u00ean c\u1ee9u [5] &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"T\u00e1c gi\u1ea3: David Zureick-Brown T\u1eadp trung. 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