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From: Alexey Tourbin <at@altlinux.ru>
To: ALT Devel discussion list <devel@lists.altlinux.org>
Subject: Re: [devel] apt virtual packages
Date: Sun, 17 Dec 2006 17:12:47 +0300
Message-ID: <20061217141247.GC6148@localhost.localdomain> (raw)
In-Reply-To: <20061217135150.GA18013@hell.immo.ru>

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On Sun, Dec 17, 2006 at 04:51:50PM +0300, Alexey I. Froloff wrote:
> * Dmitry V. Levin <ldv@> [061217 00:13]:
> > > > http://people.debian.org/~dburrows/model.pdf
> > > > Правда я этот резольвер оторвал, потому как глючный дюже...
> > Я не верю что это можно сделать в общем случае, поскольку иногда решений
> > более одного.
> Да.  И aptitude предлагает все эти решения пользователю.  Только
> у меня этот резольвер вываливался на ассертах :-(

Он там доказывает что в его модели проблема поиска оптимального решения
NP-complete (это очень плохо по сложности).  Доказывает по аналогии с
CNF-SAT, а как это доказывается для CNF-SAT я не знаю, поэтому ничего
не понял.  В общем на будущее надо скачивать книжку Papadimitriou
Computational Complexity, может у кого-нибудь уже есть?

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  reply	other threads:[~2006-12-17 14:12 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-09 22:32 Alexey Tourbin
2006-10-09 22:41 ` Dmitry V. Levin
2006-10-10  0:40   ` Alexey Tourbin
2006-10-10 15:39     ` Dmitry V. Levin
2006-10-10 15:52       ` Alexey Tourbin
2006-10-10 22:11         ` Dmitry V. Levin
2006-10-11  0:16           ` Alexey Tourbin
2006-10-12  9:18             ` Serge Pavlovsky
2006-12-07 22:52             ` Dmitry V. Levin
2006-12-08 21:27               ` Alexey Tourbin
2006-12-08 21:43                 ` Dmitry V. Levin
2006-12-08 21:59                   ` Alexey Tourbin
2006-12-08 22:01                 ` Dmitry V. Levin
2006-12-08 22:23                   ` Dmitry V. Levin
2006-12-13  3:35               ` Alexey Tourbin
2006-12-14 23:40               ` Alexey Tourbin
2006-12-14 23:46                 ` Alexey Tourbin
2006-12-14 23:54                   ` Alexey Tourbin
2006-12-15  1:25                 ` Alexey Tourbin
2006-12-15 13:49                   ` Michael Shigorin
2006-12-15 16:52                     ` Alexey Tourbin
2006-12-15 22:27                   ` Dmitry V. Levin
2006-12-15 22:42                     ` Alexey Tourbin
2006-12-16 12:03                       ` Alexey I. Froloff
2006-12-16 20:19                         ` Alexey Tourbin
2006-12-16 21:02                           ` Dmitry V. Levin
2006-12-16 21:08                             ` Alexey Tourbin
2006-12-16 21:26                               ` Dmitry V. Levin
2006-12-16 21:42                                 ` Alexey Tourbin
2006-12-17 13:51                             ` Alexey I. Froloff
2006-12-17 14:12                               ` Alexey Tourbin [this message]
2006-12-17 16:47                                 ` [devel] Papadimitriou Alexey Tourbin
2006-12-17 16:58                                 ` [devel] apt virtual packages Alex V. Myltsev
2006-12-17 17:45                                   ` Alexey Tourbin
2006-12-17 17:57                                     ` [devel] [JT] " Alex V. Myltsev
2006-12-17 18:13                                       ` Alexey Tourbin
2006-12-17  9:58                     ` [devel] " Alexey Tourbin
2006-12-17 10:02                       ` Alexey Tourbin
2006-12-17 10:37                         ` Alexey Tourbin
2006-12-17 13:43                   ` [devel] [PATCH] " Alexey Tourbin
2006-12-17 13:46                     ` [devel] gendiff Alexey Tourbin
2006-12-17 14:14                     ` [devel] [PATCH] apt virtual packages Alexey Tourbin
2006-12-17 16:09                       ` Alexey Tourbin
2006-12-17 16:15                         ` Alexey Tourbin
2006-12-17 17:05                           ` Hihin Ruslan
2006-12-17 17:17                             ` Alexey Tourbin
2006-12-17 16:41                         ` Alexey Tourbin
2006-12-17 16:49                           ` [devel] std::sort Alex V. Myltsev
2006-12-17 17:15                             ` Alexey Tourbin
2006-12-17 17:54                               ` [devel] [JT] std::sort Alex V. Myltsev
2006-12-17 18:06                                 ` Alexey Tourbin
2006-12-17 19:42                                 ` Hihin Ruslan
2006-12-17 20:01                                   ` Hihin Ruslan
2006-12-17 20:33                                     ` Hihin Ruslan
2006-12-17 20:18                                   ` Alex V. Myltsev
2006-12-18  7:51                                     ` Hihin Ruslan
2006-12-18 10:39                         ` [devel] [PATCH] apt virtual packages Led
2006-12-18 13:17                           ` Alexey Tourbin
2006-12-17 16:51                       ` Dmitry V. Levin
2006-12-20 17:25                     ` Alexey Tourbin

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