{"id":5734,"date":"2017-03-30T20:57:27","date_gmt":"2017-03-30T18:57:27","guid":{"rendered":"https:\/\/marekkuchcinski.pl\/?p=5734"},"modified":"2017-03-31T12:24:59","modified_gmt":"2017-03-31T10:24:59","slug":"125-temu-urodzil-sie-stafan-banach-wybitny-polski-matematyk","status":"publish","type":"post","link":"https:\/\/marekkuchcinski.pl\/hu\/wazne-daty\/125-temu-urodzil-sie-stafan-banach-wybitny-polski-matematyk\/","title":{"rendered":"125 \u00e9ve sz\u00fcletett Stafan Banach, a kiv\u00e1l\u00f3 lengyel matematikus, a funkcion\u00e1lanal\u00edzis megalkot\u00f3ja."},"content":{"rendered":"<p><strong>Stefan Banach (sz\u00fcletett 1892. m\u00e1rcius 30-\u00e1n Krakk\u00f3ban, meghalt 1945. augusztus 31-\u00e9n Lvovban) - lengyel matematikus, a lvovi matematikai iskola egyik k\u00e9pvisel\u0151je. \u0150 volt a funkcion\u00e1lanal\u00edzis megalkot\u00f3ja, a matematika egy nagy \u00e9s a modern alkalmaz\u00e1sokban fontos \u00e1ga, amely seg\u00edtett megtal\u00e1lni az \u00f6sszetett term\u00e9szeti jelens\u00e9gek le\u00edr\u00e1s\u00e1ra haszn\u00e1lt egyenleteket, bele\u00e9rtve a kvantummechanik\u00e1t is.<\/strong><\/p>\n<p>A Lengyel Tudom\u00e1nyos Akad\u00e9mia tagja (1924), az Ukr\u00e1n SZSZK Tudom\u00e1nyos Akad\u00e9mi\u00e1j\u00e1nak levelez\u0151 tagja (1940).<\/p>\n<p>Banach els\u0151 munk\u00e1i Fourier-sorozatokkal (az els\u0151, Steinhausszal k\u00f6z\u00f6sen publik\u00e1lt dolgozat\u00e1ban negat\u00edvan oldotta meg a Fourier-sorozatok r\u00e9sz\u00f6sszegeinek \u00e1tlaga konvergenci\u00e1j\u00e1nak probl\u00e9m\u00e1j\u00e1t), ortogon\u00e1lis f\u00fcggv\u00e9nyekkel \u00e9s sorozatokkal, Maxwell-egyenletekkel, sz\u00e1rmaztatott f\u00fcggv\u00e9nyekkel, m\u00e9rhet\u0151 f\u00fcggv\u00e9nyekkel, m\u00e9rt\u00e9kelm\u00e9lettel foglalkoztak. Doktori disszert\u00e1ci\u00f3j\u00e1ban (1922-ben jelent meg) \u00e9s monogr\u00e1fi\u00e1j\u00e1ban <i>Th\u00e9orie des op\u00e9rations lin\u00e9aires (Vonalas m\u0171veletek elm\u00e9lete)\u00a0<\/i>adta meg a k\u00e9s\u0151bb r\u00f3la elnevezett terek els\u0151 axiomatikus defin\u00edci\u00f3j\u00e1t (Banach-terek), amelyet \u0151 maga a k\u00f6vetkez\u0151k\u00e9ppen defini\u00e1lt: \"Banach-terek\". <i>B t\u00edpus\u00fa terek<\/i>. V\u00e9g\u00fcl megteremtette a funkcion\u00e1lanal\u00edzis alapjait, amely rendk\u00edv\u00fcl fontos a matematika modern alkalmaz\u00e1saiban. Megadta alapvet\u0151 t\u00e9teleit \u00e9s bevezette terminol\u00f3gi\u00e1j\u00e1t, amelyet a matematikusok vil\u00e1gszerte elfogadtak.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Stefan Banach (ur. 30 marca 1892 w Krakowie, zm. 31 sierpnia 1945 we Lwowie) \u2013 polski matematyk, jeden z przedstawicieli lwowskiej szko\u0142y matematycznej. By\u0142 tw\u00f3rc\u0105 analizy funkcjonalnej, du\u017cego i wa\u017cnego w nowoczesnych zastosowaniach dzia\u0142u matematyki, kt\u00f3ry pom\u00f3g\u0142 znale\u017a\u0107 r\u00f3wnania stosowane do opisywania z\u0142o\u017conych zjawisk przyrodniczych, w tym mechaniki kwantowej. Cz\u0142onek Polskiej Akademii Umiej\u0119tno\u015bci (1924), cz\u0142onek-korespondent [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":5732,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-5734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wazne-daty"],"_links":{"self":[{"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/posts\/5734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/comments?post=5734"}],"version-history":[{"count":3,"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/posts\/5734\/revisions"}],"predecessor-version":[{"id":5746,"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/posts\/5734\/revisions\/5746"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/media\/5732"}],"wp:attachment":[{"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/media?parent=5734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/categories?post=5734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/marekkuchcinski.pl\/hu\/wp-json\/wp\/v2\/tags?post=5734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}