ç°ä¸å²æ 女æµæ£å£«ã®åå°¾ã¾ã©ãå段ã«ãã£ã¦èæ¡ããããã¼ãã²ã¼ ã ã©ãã¶ã¤ãããã(Wikipedia: ã©ãã¶ã¤ãããã) ã®åæå±é¢ ãã(ç¸æã®ã©ã¤ãªã³ãåããæã¯å¿ ãåãã¨ããæ¡ä»¶ã§)å°éå¯è½ãªå±é¢ãã¹ ã¦ãæ±ãï¼å¾é解æ(retrograde analysis)ã«ããï¼ãã¹ã¦ã®å±é¢ã®ãåã¡ã/ ãå¼ãåãã/ãè² ããã¨åæ¹æåãå°½ãããæã®ææ°ãæ±ããããã°ã©ã ãä½æ ãã¾ããï¼ ã²ã¼ã æ å ±å¦ç 究ä¼ã§ã®çºè¡¨ã«ã¤ã㦠2009å¹´6æ26æ¥ã«éå¬ããã第22åã²ã¼ã æ å ±å¦ç 究ä¼ã§çºè¡¨ããéã®è³æã¨ï¼ãã¬ã¼ã³ãã¼ã·ã§ã³è³æãç½®ãã¾ãï¼ ãªãï¼è³æã®å³5ã«èª¤ããããã¾ãï¼æ£ããå³ã¯ï¼ ã¨ãªãã¾ãï¼ ã¾ãï¼åèæç®ã¨ãã¦2009å¹´6ææç¹ã§ãã©ãã¶ã¤ãããããã®ãªãã£ã·ã£ã«ãµã¤ã ãè¨è¼ãã¾ãããï¼ç¾å¨ã¯æå¹ã§ã¯ãªãããã§ãï¼ ããã°ã©ã dobutsu-src-20150109.tar
æåãåããã®ã§è¨äºæ¸ãããã¨æã£ããã©, okamoto7å çã®ã§ååã ã¨æã£ãã®ã§æ¢ã. (id:smoking186ãã) ãã¼ï¼ ãããã®è©±é¡é¢é£ããæãåºããªããªã£ã¦ãã®ããï¼è¥å¹²å¤ãã¨ããããå¼ãã¦ãã¾ããï¼ ä¸æ£ç¢ºã ã£ããèªå·±æµã®è¡¨ç¾ã ããæªãã¨ãã人ã¯ãããããããããã¨ãããã®ã®æ¬è³ªãç解ãã¦ããªããããããããããã¨ã¯çªãè©°ããã°ãä¸æ£ç¢ºããã ãå³å¯ã«æ£ãã説æãããã¨ãããã«ãããããããã¦ä¸æ£ç¢ºã«è¡¨ç¾ãã¦åãããããããã http://mechag.asks.jp/131404.html ããã¦æ¥µè«ã£ã½ãæ¸ããã¦ãã®ããããã¾ãããï¼ãä¸æ£ç¢ºã§ããããã¨ã¨ã端æãããã¨ã¯å ¨ç¶éãã¨æããã§ãï¼ã¯ãï¼ ããã¨ï¼ä¸æ£ç¢ºãªè¨è¿°ããã¦ãããã¨ãæèãã¦ãããããã§ãªããï¼ã¨ãï¼ä¸æ£ç¢ºãªé¨åã«çåãæ±ãããã¨ãã«ãããæ£ç¢ºã«ã§ãããããã§ãªããï¼ã¨ãï¼ãããããã¨ãéè¦ãªã®
è¨è¿°è¨ç®éï¼ããã ã¤ããããããããè±: Descriptive complexityï¼ã¯ãæéã¢ãã«çè«ã®ä¸ç¨®ã§ãããè¨ç®è¤éæ§çè«ã¨æ°çè«çå¦ã®ä¸åéã§ãããè¤éæ§ã¯ã©ã¹ãè¨èªã§è¡¨ç¾ããã®ã«å¿ è¦ã¨ãããè«çã®ç¨®é¡ã«ãã£ã¦ç¹å¾´ä»ãããã¨ãç®çã¨ãããä¾ãã°ãPHã¯äºéè¿°èªè«çã®è«çå¼ã§è¡¨ç¾ãããè¨èªã®ã¯ã©ã¹ã¨æ£ç¢ºã«å¯¾å¿ãã¦ããããã®ãããªè¤éæ§ã¨è«çã®ç¹ããã«ãã£ã¦ã2ã¤ã®åéã®éã§å®¹æã«å¤æãå¯è½ã¨ãªããæ°ããªè¨¼æææ³ãçã¿åºããããããè¤éæ§ã¯ã©ã¹ãæ¬è³ªçãªãã®ã§ãã£ã¦ãç¹å®ã®æ½è±¡æ©æ¢°ã«çµã³ã¤ããã®ã§ã¯ãªããã¨ã示ããã¨ãã§ããã ç¹ã«ãããããã®è«çä½ç³»ã¯ããã®ä¸ã§è¡¨ç¾å¯è½ãªã¯ã¨ãªã®éåãçã¿åºããã¯ã¨ãªã¯è¨ç®è¤éæ§çè«ã«ãããè¨ç®åé¡ã¨å¯¾å¿ãã¦ããã è¨è¿°è¨ç®éã®æåã®ææã¨ãã¦ã1974å¹´ã«ããã«ãã»ãã§ã¤ã®ã³ã示ãã Fagin ã®å®çããã[1]ãããã¯ãNPãåå¨éåäºé
å½±é¿åããããããªæ¹ã®æ¬¡ã®ã¨ã³ããª2ã¤ãè¦ã¦ï¼ ããã°ã©ãã¼ã§ãªãã¦ãååãããè¦ãã¦ããããã¢ã«ã´ãªãºã x10 ã¢ã«ã´ãªãºã ç¾é¸ - ãã£ããããæ°åã«O()ãå¦ã¶ ã¢ã«ã´ãªãºã ã«ã¤ãã¦ãããªãã¨ãããä¸æ£ç¢ºãªè¨è¿°ããããããã£ã¦ï¼æ¸ãã¦ããæ¬äººãç解ãã¦ããã©ãããå¤æãã«ããæç« ã«ããããããã¯ãã¼ã¯ãã¤ãã¦ãã¦ï¼ããããã®ãããªæ¹ãã¢ã«ã´ãªãºã ã«é¢ããæ¸ç±ãå·çãããã¨ãã¦ããã¨ããç¶æ³ããªãããããã§ãï¼ ææ¥ã®çºè¡¨æºåãçµããããï¼èªåãããç解ãã¦ããªãã¨ãããããã®ã§ï¼ããå°ãäºç¿ããªãã¨ï¼
twitter ææã§ã¯ï¼ã¸ã§ã¸ã§ãå¹½éç½æ¸ãã¿ã«ã¤ãã¦ãããªã naoya_t ããããã±ãåã£ã¦ããã¨åãã¦ã¾ããã(ãã¯ãã¬ã³ãã ã¨ãã³ãã¯ãã³ãã¿ã¯å ¨ããããã¾ãã) # cf. ãªã¿ã¯ã®å¸¸è ææã§ãããã¼ãªã³ã¡ã³ãããã (via å士å·ã®åãæ¹)ã¨ããï¼ãããã twitter ã® niha ããçµç±ã§ shinh ç¥ã«è©±ãä¼ããï¼ããã«çãã形㧠sin-x ãããç´ æ´ãããåç ã示ãã¦ãã ããã¾ããï¼ãªãã¨ããé«åº¦æ å ±å社ä¼ï¼åãã¿ããªãææ©çã«ã¤ãªãã Web 2.0 社ä¼ã¯å¤§å¤ç´ æ´ãããã§ããï¼ # ããããå²ç¢ã¯ç³ãåãããããªãã⦠ããããã²ã©ããããªãï¼æ¥ã®ã¡ãã¼ãªç涯ãéã£ã¦æ¥ã¾ããï¼ãã¥ã¼ãã³å¤±æ ¼ï¼ ã¡ãªã¿ã«ï¼ãã®å¾ã® twitter ã§ã¯é決å®æ§ã®è©±ãããã¥ã¼ãªã³ã°ãã·ã³ã«è©±é¡ãé£ã³ï¼P!=NP é¢ä¿ã®è©±é¡ããã¼ã¯ã«éããã¨å ±ã« twitter ã®æ±
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}