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AWE

https://doi.org/10.1007/978-3-531-93003-9f embedded graphs. According to Harer [137], the idea of this connection belongs to Mumford. It proved to be extremely fruitful. The most celebrated results here are the calculation of the orbifold Euler characteristic of moduli spaces of smooth curves due to Harer and Zagier [138] (we present also

Radiculopathy

https://doi.org/10.1007/978-3-8349-3597-7rating constellations with given passport, and we call it the .. In this general form, it has no satisfactory answer up to now, and the present chapter describes some partial results reflecting the best of the current knowledge. The known results are, however, rather general.

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组装

Introduction: What is This Book About,ifiably be proud of such classical results as the Euler formula (relating the number of vertices, edges, and faces of a map with the genus of the corresponding surface), and of such notably difficult modern achievements as the Four Color Theorem. But the last two decades witnessed a kind of a volcan

semiskilled

蚊帐

,Dessins d’Enfants, basis of the theory was established by G. V. Belyi. [21] only in 1979. Below we formulate the theorem, but postpone its proof until the very end of the chapter (Sec. 2.6). This order of exposition permits the reader to begin by acquiring some experience, by seeing examples and following the accompa

PANG

dictator

去才蔑视

Meromorphic Functions and Embedded Graphs,rating constellations with given passport, and we call it the .. In this general form, it has no satisfactory answer up to now, and the present chapter describes some partial results reflecting the best of the current knowledge. The known results are, however, rather general.