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Kendisiyle bir s\u00f6yle\u015fi yapmak istemi\u015ftik. Hemen kabul etti. O d\u00f6nemde 83 ya\u015f\u0131nda olan Cahit Arf, e\u015fiyle birlikte ya\u015fad\u0131\u011f\u0131 \u0130stanbul-Bebek\u2019teki evinde bize randevu vermi\u015fti. Evi ararken mahalle esnaf\u0131na adres sormu\u015ftuk. Bir bakkal, kendi deyimiyle \u201cihtiyarlar\u0131n\u201d evini bize tarif etmi\u015fti.<\/p>\n
\u2018\u00d6ld\u00fcrteceksiniz kocam\u0131!\u2019<\/strong><\/p>\n Kap\u0131y\u0131 a\u00e7an e\u015fi do\u011frusunu s\u00f6ylemek gerekirse bizi pek muhabbetle kar\u015f\u0131lamad\u0131. \u201cNe istiyorsunuz Cahit\u2019ten? \u00d6ld\u00fcrteceksiniz kocam\u0131.\u201d diye \u00e7\u0131k\u0131\u015fm\u0131\u015ft\u0131. Bunu duyan Cahit Hoca, i\u00e7eriden seslenmi\u015fti: \u201cRahat b\u0131rak \u00e7ocuklar\u0131 han\u0131m, iyi i\u015fler yap\u0131yor onlar.\u201d<\/p>\n Bir\u00e7ok ayd\u0131n\u0131n karanl\u0131k suikastlarla \u00f6ld\u00fcr\u00fcld\u00fc\u011f\u00fc y\u0131llar\u2026 Bu s\u00f6yle\u015finin \u00fczerinden bir ay dahi ge\u00e7meden Sivas katliam\u0131n\u0131n ya\u015fand\u0131\u011f\u0131n\u0131 g\u00f6z \u00f6n\u00fcne al\u0131rsak e\u015finin endi\u015felerini anlamak gerekti\u011fini d\u00fc\u015f\u00fcn\u00fcyorum bug\u00fcn.<\/p>\n Arf bilimi i\u00e7in gerekli olan ara\u00e7lar<\/strong><\/p>\n Her taraf\u0131ndan kitap sarkan, da\u011f\u0131n\u0131k odas\u0131na girdi\u011fimizde Cahit Arf, elinde tornavida eski moda bir radyoyu tamir etmeye u\u011fra\u015f\u0131yordu. \u201cYine bozuldu meret\u201d demi\u015fti. Masas\u0131n\u0131n \u00fczerinde sar\u0131 saman k\u00e2\u011f\u0131tlar ve bir kur\u015fun kalem vard\u0131; belli ki matematik \u00e7al\u0131\u015f\u0131yordu.<\/p>\n Bir saman k\u00e2\u011f\u0131t, bir kur\u015fun kalem, bir de zaman zaman Beethoven dinleyebilece\u011fi eski radyo\u2026 \u201cArf bilimi\u201d i\u00e7in bunlar yeterliydi. Yan\u0131ndan hi\u00e7 eksik etmedi\u011fi, yudumlayarak \u00e7al\u0131\u015ft\u0131\u011f\u0131 vi\u015fne lik\u00f6r\u00fcn\u00fc ve elbette piposunu da unutmayal\u0131m\u2026<\/p>\n Ortaokuldan beri u\u011fra\u015f\u0131lan problem<\/strong><\/p>\n \u201cMatematik neden \u00f6c\u00fc gibidir \u00f6\u011frenciler i\u00e7in?\u201d diye sormu\u015ftuk. \u201cBelletildi\u011fi i\u00e7in \u00e7ocuklar\u201d demi\u015fti; \u201cOysa matemati\u011fi anlamak gerek, ke\u015ffetmek gerek\u201d.<\/p>\n \u201cPeki Hocam, ama\u00e7lad\u0131\u011f\u0131n\u0131z her \u015feye ula\u015fabildiniz mi?\u201d \u201cNe gezer\u201d diye yan\u0131tlam\u0131\u015ft\u0131; \u201cOrtaokuldan beri kafama tak\u0131lan bir problem var, h\u00e2l\u00e2 \u00e7\u00f6zebilmi\u015f de\u011filim. Ama epey yol ald\u0131m, gen\u00e7 arkada\u015flara da takip edebilecekleri baz\u0131 fikirler b\u0131rakaca\u011f\u0131m\u0131 san\u0131yorum.\u201d<\/p>\n \u201cD\u00fcnyay\u0131 ben yaratt\u0131m\u201dc\u0131lar\u0131n alaca\u011f\u0131 ne muazzam bir ders var bu yan\u0131tta. Ortaokuldan beri u\u011fra\u015f\u0131lan problem\u2026 B\u00fcy\u00fck insanl\u0131k zincirinin bir halkas\u0131 olma bilinci\u2026 D\u00f6nd\u00fc\u011f\u00fcm\u00fczde bu yan\u0131t \u00fczerinde \u00e7ok d\u00fc\u015f\u00fcnm\u00fc\u015ft\u00fck. Cumhuriyet T\u00fcrkiye\u2019sinin d\u00fcnya \u00e7ap\u0131ndaki matematik\u00e7isi koskoca Cahit Arf, yetmi\u015f y\u0131ld\u0131r bir problem \u00fczerinde \u00e7al\u0131\u015f\u0131yor ve h\u00e2l\u00e2 \u00e7\u00f6zememi\u015f ha?<\/p>\n \u2018Arf Denklemi\u2019<\/strong><\/p>\n \u201cMatematikte zek\u00e2dan \u00f6nce sab\u0131r gelir\u201d demi\u015fti. Sab\u0131r ile zek\u00e2y\u0131 birle\u015ftirip, tarih bilinciyle yo\u011furan az say\u0131daki biliminsan\u0131m\u0131zdan biriydi Cahit Hoca.<\/p>\n \u201cUnvan, mevki ve para pe\u015finde ko\u015fan biliminsan\u0131 olamaz \u00e7ocuklar. Bilim i\u00e7in tutku gerek, ke\u015ffetmek tutkusu\u2026\u201d diyerek s\u00f6yle\u015fiyi noktalam\u0131\u015ft\u0131.<\/p>\n Zamanla kavrad\u0131k ki, Cahit Arf\u2019\u0131n en \u00f6nemli \u201cdenklemi\u201d budur. Sonradan \u00e7\u0131kard\u0131\u011f\u0131m\u0131z Bilim ve \u00dctopya<\/em>\u2019n\u0131n ve Bilim ve Gelecek<\/em>\u2019in ilkelerinden biri olmu\u015ftur bu yan\u0131t.<\/p>\n Nas\u0131l gider Cahit Arf\u2019lar? <\/strong><\/p>\n Cahit Arf\u2019\u0131 87 ya\u015f\u0131ndayken Aral\u0131k 1997\u2019de kaybettik. Cenaze t\u00f6reni i\u00e7in \u0130stanbul \u00dcniversitesi\u2019nde bir avu\u00e7 ki\u015fi topland\u0131\u011f\u0131m\u0131zda, \u00e7evrede dola\u015fan iki gencin konu\u015fmas\u0131na tan\u0131k olmu\u015ftum. \u201cBir matematik\u00e7i \u00f6lm\u00fc\u015f galiba\u201d diyordu biri di\u011ferine\u2026 Arkada\u015f\u0131 As\u0131m \u00d6zkan \u201cO, bir i\u015f\u00e7iydi!\u201d demi\u015fti.<\/p>\n Baz\u0131 kat\u0131l\u0131mc\u0131lar, \u201cNerede devlet b\u00fcy\u00fckleri, cumhurba\u015fkan\u0131, nerede binler\u201d diye hay\u0131flanm\u0131\u015ft\u0131. Oysa ne gerek var; fazlal\u0131k bile vard\u0131 t\u00f6rende. Cahit Arf\u2019lar b\u00f6yle gider. Mahalle esnaf\u0131n\u0131n \u201cihtiyar\u0131\u201d, yeni yetme gencin \u201cads\u0131z matematik\u00e7isi\u201d, As\u0131m Hoca\u2019n\u0131n \u201ci\u015f\u00e7isi\u201d, Cumhuriyet T\u00fcrkiye\u2019sinin en b\u00fcy\u00fck biliminsanlar\u0131ndan biri Cahit Arf Hoca\u2019ya b\u00f6yle gitmek yara\u015f\u0131r. Sade, s\u0131radan; \u015fatafattan, bandodan, m\u0131z\u0131kadan uzak\u2026 Ya\u015fad\u0131\u011f\u0131 gibi gitmi\u015fti Cahit Hoca.<\/p>\n G\u00f6ze bat\u0131r\u0131lmaya ihtiyac\u0131 olmayan bir b\u00fcy\u00fck d\u00fc\u015f\u00fcnce ve y\u00fcrek zenginli\u011fi\u2026 Tan\u0131d\u0131\u011f\u0131m\u0131z en zengin insanlardan biriydi Cahit Arf. Nicelle\u015ftirilebilecek bir zenginlik de\u011fildi onunki; kendi deyimiyle ancak \u201cke\u015ffedilebilecek\u201d bir zenginlik\u2026 Ger\u00e7ek zenginlik\u2026<\/p>\n Cahit Hoca\u2019n\u0131n ortaokuldan beri u\u011fra\u015ft\u0131\u011f\u0131 problemi devral\u0131p, yapabilirsek \u00fczerine bir \u015feyler koyup gelecek ku\u015faklara iletmenin boynumuzun borcu oldu\u011funu d\u00fc\u015f\u00fcn\u00fcr\u00fcm her zaman…<\/p>\n","protected":false},"excerpt":{"rendered":" Ord. Prof. Dr. Cahit Arf, Cumhuriyet T\u00fcrkiye\u2019sinin yeti\u015ftirdi\u011fi en b\u00fcy\u00fck matematik\u00e7ilerinden biridir. Matemati\u011fe \u201cHasse-Arf Teoremi\u201d, \u201cArf Halkalar\u0131\u201d, \u201cArf Kapan\u0131\u015flar\u0131\u201d gibi katk\u0131lar\u0131 bilinir. Bilim yay\u0131mc\u0131l\u0131\u011f\u0131 yaparken, Cahit Hoca ile bizim de bir an\u0131m\u0131z oldu. Bu b\u00fcy\u00fck biliminsan\u0131 ile tan\u0131\u015fmam\u0131z Haziran 1993\u2019te ger\u00e7ekle\u015fmi\u015fti. Bir y\u0131l sonra dergi olarak \u00e7\u0131karmaya ba\u015flayaca\u011f\u0131m\u0131z Bilim ve \u00dctopya, o g\u00fcnlerde hen\u00fcz Ayd\u0131nl\u0131k […]<\/p>\n","protected":false},"author":493,"featured_media":27522,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2314,25],"tags":[3641,473,3640,208],"class_list":["post-27521","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-oykuleri","category-matematik","tag-arf-halkalari","tag-cahit-arf","tag-hasse-arf-teoremi","tag-matematik"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t![\"\"](\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2018\/07\/3-1-226x300.jpg\")
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