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The Grothendieck Theory of Dessins D'Enfants
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Dessins d'Enfants are combinatorial objects, namely drawings with vertices and edges on topological surfaces. Their interest lies in their relation with the set
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This book presents original peer-reviewed contributions from the London Mathematical Society (LMS) Midlands Regional Meeting and Workshop on 'Galois Covers, Gro
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Galois theory has such close analogies with the theory of coverings that algebraists use a geometric language to speak of field extensions, while topologists sp
Galois Groups and Fundamental Groups
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Assuming little technical background, the author presents the strong analogies between these two concepts starting at an elementary level.
Graphs on Surfaces and Their Applications
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Graphs drawn on two-dimensional surfaces have always attracted researchers by their beauty and by the variety of difficult questions to which they give rise. Th