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Ramsey Games Against a One-Armed Bandit
| Content Provider | Scilit |
|---|---|
| Author | Friedgut, Ehud Kohayakawa, Yoshiharu Rodl, Vojtěch Rucinski, Andrzej Tetali, Prasad |
| Copyright Year | 2003 |
| Description | We study the following one-person game against a random graph process: the Player's goal is to 2-colour a random sequence of edges of a complete graph on n vertices, avoiding a monochromatic triangle for as long as possible. The game is over when a monochromatic triangle is created. The online version of the game requires that the Player should colour each edge as it comes, before looking at the next edge.While it is not hard to prove that the expected length of this game is about , the proof of the upper bound suggests the following relaxation: instead of colouring online, the random graph is generated in only two rounds, and the Player colours the edges of the first round before the edges of the second round are thrown in. Given the size of the first round, how many edges can there be in the second round for the Player to be likely to win? In the extreme case, when the first round consists of a random graph with edges, where c is a positive constant, we show that the Player can win with high probability only if constantly many edges are generated in the second round. |
| Related Links | http://www.ime.usp.br/~yoshi/MSs/Games/bandits.PDF.pdf https://www.cambridge.org/core/services/aop-cambridge-core/content/view/ADDA78762475D8D415BF2025EFE5561E/S0963548303005881a.pdf/div-class-title-ramsey-games-against-a-one-armed-bandit-div.pdf |
| Ending Page | 545 |
| Page Count | 31 |
| Starting Page | 515 |
| ISSN | 09635483 |
| e-ISSN | 14692163 |
| DOI | 10.1017/s0963548303005881 |
| Journal | Combinatorics, Probability and Computing |
| Issue Number | 5-6 |
| Volume Number | 12 |
| Language | English |
| Publisher | Cambridge University Press (CUP) |
| Publisher Date | 2003-11-01 |
| Access Restriction | Open |
| Subject Keyword | Combinatorics, Probability and Computing Mathematical Physics Random Graph Monochromatic Triangle |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Statistics and Probability Theoretical Computer Science Computational Theory and Mathematics |
