This was one of the greatest workshops I have attended. It is really the most beautiful institute I have visited and the talks are all great and I have attended all of them. During my visit, I met many world-leading mathematicians in my topic. I would like to thank BIRS for the great hospitality and the program organizers: Mireille Bousquet-Mélou, Stephen Melczer, Marni Mishna and Michael Singer for inviting so many great speakers! I am looking forward to visiting BIRS again in the future!

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The workshop was very helpful in keeping up with interesting new developments in the field of lattice walk enumeration. I was also able to meet a number of researchers whose work I had seen, but whom I had not met before. On the whole, I found the workshop a valuable experience.

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The workshop helped on many levels: - it influenced my decision on writing a book on topics covered by the workshop - it allowed me to publicise open problems - it helped me to get to know new colleagues and revive contacts to old ones Overall, it was just the right size, and the schedule was light enough to enable good discussions

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The environment was perfect for rekindling my enthusiasm in the area of the workshop. The talks were of a very high standard and the video setup is very helpful. I hope and expect to be more productive in this area in future.

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