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List homomorphism problems for signed trees |
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| Institution: | 1. Computer Science Institute, Faculty of Mathematics and Physics, Charles University, Czech Republic;2. Department of Mathematics and Statistics, Thompson Rivers University, Canada;3. 268 Waverley St., Palo Alto, USA;4. School of Computing Science, Simon Fraser University, Canada;5. Department of Applied Mathematics, Faculty of Mathematics and Physics, Charles University, Czech Republic |
| Abstract: | |
| Keywords: | Complexity Dichotomy Graph homomorphism Signed graph |
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