Geodesic
GENUS 2 SEMI-REGULAR COVERINGS WITH LIFTING SYMMETRIES
Glasgow mathematical journal, Tome 50 (2008) no. 3, pp. 379-394

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DOI

In this paper, we obtain algebraic equations for all genus 2 compact Riemann surfaces that admit a semi-regular (or uniform) covering of the Riemann sphere with more than two lifting symmetries. By a lifting symmetry, we mean an automorphism of the target surface which can be lifted to the covering. We restrict ourselves to the genus 2 surfaces in order to make computations easier and to make possible to find their algebraic equations as well. At the same time, the main ingredient (Main Proposition) depends neither on the genus, nor on the order of the group of lifting symmetries. Because of this, the paper can be thought as a generalisation for the non-normal case to the question of lifting automorphisms of a compact Riemann surface to a normal covering, treated, for instance, by E. Bujalance and M. Conder in a joint paper, or by P. Turbek solely.
DOI : 10.1017/S001708950800428X
Mots-clés : 30F10, 14H30, 14H45 
FUERTES, YOLANDA; MEDNYKH, ALEXANDER. GENUS 2 SEMI-REGULAR COVERINGS WITH LIFTING SYMMETRIES. Glasgow mathematical journal, Tome 50 (2008) no. 3, pp. 379-394. doi: 10.1017/S001708950800428X
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     title = {GENUS 2 {SEMI-REGULAR} {COVERINGS} {WITH} {LIFTING} {SYMMETRIES}},
     journal = {Glasgow mathematical journal},
     pages = {379--394},
     year = {2008},
     volume = {50},
     number = {3},
     doi = {10.1017/S001708950800428X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950800428X/}
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