acknowledgement.tex

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{\let\clearpage\relax\par \chapter*{Acknowledgements}}
I would like to express my thanks to my advisor Tom\'a\v s Pajdla for his guidance and valuable advices, which enabled me to finish this thesis.
I would also like to thank Didier Herion for introducing me into semidefinite programming and polynomial optimization techniques and for his useful discussion and comments to my work.
Special thanks go to my family for all their support.