{"id":2114,"date":"2026-11-05T03:00:00","date_gmt":"2026-11-04T18:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=2114"},"modified":"2026-11-05T00:06:29","modified_gmt":"2026-11-04T15:06:29","slug":"qs-quantum-collision-query-bounds-20261104","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=2114","title":{"rendered":"\u91cf\u5b50\u306e\u885d\u7a81\u63a2\u7d22\u3001\u554f\u3044\u5408\u308f\u305b\u3092\u4e00\u6589\u306b\u6e08\u307e\u305b\u308b\u3068\u5931\u308f\u308c\u308b\u512a\u4f4d\u6027"},"content":{"rendered":"<p>\u91cf\u5b50\u8a08\u7b97\u3067\u306f\u3001\u305f\u304f\u3055\u3093\u306e\u5019\u88dc\u3092\u91cd\u306d\u5408\u308f\u305b\u3066\u8abf\u3079\u3089\u308c\u307e\u3059\u3002\u305d\u308c\u306a\u3089\u554f\u3044\u5408\u308f\u305b\u3092\u4e00\u6589\u306b\u6e08\u307e\u305b\u3066\u3082\u3001\u9806\u756a\u306b\u8abf\u3079\u308b\u5834\u5408\u3068\u540c\u3058\u5f37\u3055\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u30022026\u5e7411\u67081\u65e5\u306b\u516c\u958b\u3055\u308c\u305fPan 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class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th>\u63a2\u3059\u7d44<\/th>\n<th>\u9806\u306b\u3064\u306a\u3050\u91cf\u5b50\u554f\u3044\u5408\u308f\u305b<\/th>\n<th>\u4e00\u30e9\u30a6\u30f3\u30c9\u306e\u91cf\u5b50\u554f\u3044\u5408\u308f\u305b<\/th>\n<th>\u53e4\u5178\u7684\u306a\u554f\u3044\u5408\u308f\u305b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e8c\u3064\u7d44\uff08k\uff1d2\uff09<\/td>\n<td>n\u306e1\/3\u4e57<\/td>\n<td>n\u306e1\/2\u4e57<\/td>\n<td>n\u306e1\/2\u4e57<\/td>\n<\/tr>\n<tr>\n<td>\u4e09\u3064\u7d44\uff08k\uff1d3\uff09<\/td>\n<td>n\u306e3\/7\u4e57<\/td>\n<td>n\u306e2\/3\u4e57<\/td>\n<td>n\u306e2\/3\u4e57<\/td>\n<\/tr>\n<\/tbody>\n<\/table><figcaption>\u8ad6\u6587\u306eTable 1\u3068\u5b9a\u74061.1\u30fb1.2\u306b\u57fa\u3065\u304d\u3001Quantum 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\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001\u56fa\u5b9a\u3055\u308c\u305f\u4e8c\u30e9\u30a6\u30f3\u30c9\u4ee5\u4e0a\u306e\u65b9\u5f0f\u3092\u7d30\u304b\u304f\u6bd4\u3079\u308b\u554f\u984c\u306f\u3001\u8ad6\u6587\u3067\u4eca\u5f8c\u306e\u8ab2\u984c\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u91cd\u306d\u5408\u308f\u305b\u3092\u4f7f\u3046\u304b\u3069\u3046\u304b\u306b\u52a0\u3048\u3066\u3001\u554f\u3044\u5408\u308f\u305b\u3067\u53d6\u308a\u8fbc\u3093\u3060\u60c5\u5831\u3092\u6b21\u3078\u3064\u306a\u3052\u3089\u308c\u308b\u304b\u3002\u305d\u308c\u304c\u3001\u3053\u306e\u7406\u8ad6\u7814\u7a76\u304b\u3089\u5f97\u3089\u308c\u308b\u6bd4\u8f03\u306e\u8ef8\u3067\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li>Pan Peng, Jingyu Wu, <a href=\"https:\/\/arxiv.org\/abs\/2611.01767v1\">Quantum Lower Bounds for Collision Problems<\/a>, arXiv:2611.01767v1, 2026\u5e7411\u67081\u65e5\u516c\u958b\u3002\u4e3b\u7d50\u679c\u306e\u5b9a\u74061.1\u301c1.3\u3001Table 1\u3001\u554f\u3044\u5408\u308f\u305b\u30e2\u30c7\u30eb\u3001\u6280\u8853\u7684\u6982\u8981\u3001\u4eca\u5f8c\u306e\u8ab2\u984c\u3092\u53c2\u7167\u3002\u672c\u6587\u30fb\u56f3\u8868\u306e\u78ba\u8a8d\u65e5\u306f2026\u5e7411\u67084\u65e5\u3002\u67fb\u8aad\u524d\u306e\u30d7\u30ec\u30d7\u30ea\u30f3\u30c8\u3067\u3059\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u91cf\u5b50\u8a08\u7b97\u3067\u306f\u3001\u305f\u304f\u3055\u3093\u306e\u5019\u88dc\u3092\u91cd\u306d\u5408\u308f\u305b\u3066\u8abf\u3079\u3089\u308c\u307e\u3059\u3002\u305d\u308c\u306a\u3089\u554f\u3044\u5408\u308f\u305b\u3092\u4e00\u6589\u306b\u6e08\u307e\u305b\u3066\u3082\u3001\u9806\u756a\u306b\u8abf\u3079\u308b\u5834\u5408\u3068\u540c\u3058\u5f37\u3055\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u30022026\u5e7411\u67081\u65e5\u306b\u516c\u958b\u3055\u308c\u305fPan Peng\u3068Jingyu Wu\u306e\u30d7\u30ec\u30d7\u30ea\u30f3 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