Günter Lettl

Institute for Mathematics and Scientific Computing

University of Graz

e-mail: guenter.lettl@uni-graz.at



Wissenschaftliche Publikationen / Scientific papers:
(geordnet nach Fertigstellungsdatum des Manuskripts / ordered by the date when manuscript was finished)
 

[37]      Chanwit Prabpayak and Günter Lettl,  Orders in cubic number fields,  J. Number Theory 166 (2016), 415-423. [doi: 10.1016/j.jnt.2016.02.006]


[36]      Chanwit Prabpayak and Günter Lettl,  Conductor ideals of orders in algebraic number fields,  Arch. Math. 103 (2014), 133-138. [doi: 10.1007/s00013-014-0655-z]


[35]      Franz Halter-Koch and Günter Lettl,  Polynomial parametrization of the solutions of certain systems of Diophantine equations,  Result. Math. 55 (2009), 383-388. [doi: 10.1007/s00025-009-0425-6]


[34]      Sophie Frisch and Günter Lettl,  Polynomial parametrization of the solutions of Diophantine equations of genus 0,  Funct. Approximatio, Comment. Math. 39 (2008), 205-209.


[33]      Alfred Geroldinger, Wolfgang Hassler and Günter Lettl,  On the arithmetic of strongly primary monoids,  Semigroup Forum 75 (2007), 567-587. [doi: 10.1007/s00233-007-0721-y]


[32]      Günter Lettl and Wolfgang A. Schmid,  Minimal zero-sum sequences in   Cn + Cn,  European J. Combin. 28 (2007), 742-753. [doi: 10.1016/j.ejc.2005.12.008]


[31]      Günter Lettl,  Finitely arithmetically fixed elements of a field,  Arch. Math. 87 (2006), 530-538. [doi: 10.1007/s00013-006-1844-1]


[30]      Günter Lettl and Zhi-Wei Sun,  On Covers of Abelian Groups by Cosets,  Acta Arith. 131 (2008), 341-350. [doi: 10.4064/aa131-4-3]


[29]      Günter Lettl,  Note on a Theorem of A. Aiba,  J. Number Theory 115 (2005), 87-88. [doi: 10.1016/j.jnt.2004.10.006]


[28]      Günter Lettl,  Thue equations over algebraic function fields,  Acta Arith. 117 (2005), 107-123. [doi: 10.4064/aa117-2-1]


[27]      Günter Lettl,  Parametrized solutions of Diophantine equations,  Math. Slovaca 54 (2004), 465-471.


[26]      István Gaál and Günter Lettl,  A parametric family of quintic Thue equations II,  Monatsh. Math. 131 (2000), 29-35. [doi: 10.1007/s006050070022]


[25]      Florian Kainrath and Günter Lettl,  Geometric notes on monoids,  Semigroup Forum 61 (2000), 298-302. [doi: 10.1007/s002339910060]


[24]      István Gaál and Günter Lettl,  A parametric family of quintic Thue equations,  Math. Comp. 69 (2000), 851-859.


[23]      Günter Lettl,  Relative Galois module structure of integers of local abelian fields,  Acta Arith. 85 (1998), 235-248.


[22]      Günter Lettl, Attila Pethö and Paul Voutier,  On the arithmetic of simplest sextic fields and related Thue equations,  in: Number Theory: Diophantine, Computational and Algebraic Aspects (eds. K. Györy, A. Pethö and V.T. Sós), Walter de Gruyter Publ. Co. 1998, 331-348.


[21]      Günter Lettl, Attila Pethö and Paul Voutier,  Simple Families of Thue Inequalities,  Trans. Amer. Math. Soc. 351 (1999), 1871-1894.


[20]      Franz Halter-Koch, Günter Lettl, Attila Pethö and Robert F. Tichy,  Thue Equations associated with Ankeny-Brauer-Chowla Number Fields,  J. London Math. Soc. 60, (1999), 1-20.
[doi: 10.1112/S0024610799007474]


[19]      Nigel P. Byott and Günter Lettl,  Relative Galois module structure of integers of Abelian fields,  J. Théor. Nombres Bordeaux, 8 (1996), 125-141.


[18]      Alfred Geroldinger, Franz Halter-Koch and Günter Lettl,  The complete integral closure of monoids and domains II,  Rend. di Mat. Roma, ser. VII, 15 (1995), 281-292.


[17]      Günter Lettl and Attila Pethö,  Complete solution of a family of quartic Thue equations,  Abh. Math. Sem. Univ. Hamburg 65 (1995), 365-383.


[16]      Günter Lettl,  Note on the Galois module structure of quadratic extensions,  Colloq. Math. 67 (1994), 15-19.


[15]      Günter Lettl,  Finding zeroes of polynomials using power series,  Grazer Math. Ber. 316 (1992), 227-230.


[14]      Günter Lettl,  Analogien zwischen Fueter's T-Funktion und der Tangensfunktion,  Grazer Math. Ber. 313 (1991), 29-38.


[13]      Otto Cella and Günter Lettl,  Power Series and Zeroes of Trinomial Equations,  Aequationes Math. 43 (1992), 94-102.


[12]      Günter Lettl,  A Note on Thaine's Circular Units,  J. Number Theory 35 (1990), 224-226. [doi: 10.1016/0022-314X(90)90115-8]


[11]      Günter Lettl,  Stickelberger Elements and Cotangent Numbers,  Expo. Math. 10 (1992), 171-182.


[10]      Günter Lettl,  The Ring of Integers of an Abelian Number Field,  J. reine angew. Math. 404 (1990), 162-170.


[9]        Alfred Geroldinger and Günter Lettl,  Factorization Problems in Semigroups,  Semigroup Forum 40 (1990), 23-38.


[8]        Günter Lettl, Subsemigroups of Finitely Generated Groups with Divisor-Theory, Monatsh. Math. 106 (1988), 205-210.


[7]        Günter Lettl, Finding fundamental units in algebraic number fields, Math. Proc. Camb. Phil. Soc. 98, (1985), 383-388.


[6]        Günter Lettl, A Lower Bound for the Class Number of Certain Cubic Number Fields, Math. Comp. 46 (1986), 659-666.


[5]        Günter Lettl, Durch Normen definierte Idealklassengruppen, Studia Sci. Math. Hungar. 23 (1988), 327-334.


[4]        Günter Lettl, Characterization of irreducible algebraic integers by their norms, Colloq. Math. 54 (1987), 325-332.


[3]        Günter Lettl, Isometrien des Raumes der konvexen Teilmengen der Sphäre, Arch. Math. 35 (1980), 471-475. [doi: 10.1007/BF01235371]


[2]        Peter M. Gruber and Günter Lettl, Isometries of the space of compact subsets of Ed, Studia Sci. Math. Hungar. 14 (1979), 169-181.


[1]        Peter M. Gruber and Günter Lettl, Isometries of the space of convex bodies in Euclidean space, Bull. London Math. Soc. 12 (1980), 455-462.



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