20: Algorithmen II, Vorlesung, WS 2019/20, 07.01.2020
Description
20 |
0:00:00 Start
0:01:25 Onlinealgorithmen
0:05:59 Competitive analysis
0:07:29 A typical online problem: ski rental
0:08:55 Upper bound for ski rental
0:10:55 Lower bound for ski rental
0:16:04 Paging
0:19:44 Definitions
0:20:23 Paging algorithms
0:24:41 Longest Forward Distance
0:27:48 Using the claim
0:29:48 Comparison of algorithms
0:35:28 A general lower bound
0:41:28 Resource augmentation
0:42:53 Conservative algorithms
0:44:42 Competitive ratio
0:47:01 Counting the faults of OPT
0:48:57 Conclusion
0:50:17 Notes
0:53:07 New results
0:54:51 Randomized algorithms
0:56:49 Three types of adversaries
0:59:04 Marking Algorithms
1:02:31 Competitive ratio of RMARK
1:03:33 Analysis of RMARK
1:08:00 Lower bound for OPT
1:09:59 Upper bound for RMARK
1:10:51 Discussion
1:15:54 Disadvantages of competitive analysis
1:16:55 Stringology
28|
0:00:00 Start
0:00:11 Externes binäres Mischen
0:13:06 8 Approximationsalgorithmen
0:26:45 9 Fixed-Parameter-Algorithmen
0:38:52 10 Parallele Algorithmen
0:52:22 11 Stringology
0:56:36 12 Geometrische Algorithmen
1:14:40 13 Onlinealgorithmen
Published 02/05/20
27|
0:00:00 Start
0:03:24 Fortgeschrittene Datenstrukturen
0:06:37 Pairing Heaps
0:15:49 Laufzeit im Durchschnitt
0:21:31 Bucket-Queue
0:37:07 Starke Zusammenhangskomponenten
0:44:05 Zusammenfassung: SCC Berechnung
0:53:28 Residual Graph
1:02:41 Randomisierte Algorithmen
Published 02/03/20