Publications

  1. Eine Bemerkung über elementar abelsche Körpererweiterungen bei Charakteristik p, Arch. d. Math. 14 (1963) 102 -- 104.
  2. Simple Algebras and Derivations, Trans. AMS 108 (1963) 1 -- 12.
  3. Algebras Split by a Given Purely Inseparable Field, Proc. AMS 14 (1963) 768 -- 776.
  4. Über nicht-kommutative abelsche Algebren, J. f. reine u. angew. Math. 281 (1965) 1 -- 5.
  5. Über einen Satz von Teichmüller, Hamb. Abh. 28 (1965) 151 -- 161.
  6. (with H. Zassenhaus) Über das Kriterium von Cartan - Killing, Math. Z. 90 (1965) 202 -- 204.
  7. Über die Gruppe der maximalen l-Erweiterung eines globalen Körpers, J. f. reine u. angew. Math. 222 (1966) 142 -- 147.
  8. l-Extensions, in Algebraic Number Theory, (Ed. Cassels and Fröhlich), Academic Press, London (1967).
  9. An Elementary Proof of a Lemma by Gaschütz, Math. Z. 96 (1967) 214 -- 215.
  10. (with P. Roquette and H. Zassenhaus) A Cohomological Characterization of Finite Nilpotent Groups, Arch. d. Math. 19 (1968) 225 -- 244.
  11. Zum Einbettungsproblem, J. f. reine u. angew. Math. 229 (1968) 82 -- 106.
  12. Subaffine Schemes, Can. Math. Bull. 12 (1969) 53 -- 55.
  13. (with J. Gamst) Quaternions généralisés, C.R. Acad. Sc. Paris 269 (1969) 560 -- 562.
  14. (with J. Gamst) Products in Sheaf-Cohomology, Tohôku M. J. 22 (1970) 143 -- 162.
  15. Lifting Ideals in Non-commutative Integral Extensions, Can. Math. Bull. 13 (1970) 129 -- 130.
  16. (with J. Gamst) Ext-Products and Edge-Morphisms, Tohôku M.J. 23 (1971) 581 -- 588.
  17. (with S. Shatz) Norms of Finite Morphisms, Hamb. Abh. 38 (1972) 125 -- 140.
  18. (with S.K. Sehgal and A. Weiss) Cyclotomic Units and the Unit Group of an Elementary Abelian Group Ring, Arch. d. Math. 45 (1985) 5 -- 7.
  19. Functors on Finite Vector Spaces and Units in Abelian Group Rings, Can. Math. Bull. 29 (1986) 79 -- 83.
  20. (with S.K. Sehgal) Integral Group Rings Without Proper Units, Can. Math. Bull. 30 (1987) 36 -- 41.
  21. (with S.K. Sehgal) Units in Regular Elementary Abelian Group Rings, Arch. d. Math. 47 (1986) 413 -- 417.
  22. Units and Class-Groups in Elementary Abelian Group Rings, J. Pure and Appl. Alg. 47 (1987) 253 -- 264.
  23. (with J. Ritter) Logarithms and Units in p-adic Abelian Group Rings, Arch. d. Math. 49 (1987) 23 -- 28.
  24. (with S.K. Sehgal) Units in Regular Abelian p-Group Rings, J. Numb. Th. 30 (1988) 375 -- 381.
  25. Norms and Traces in p-adic Abelian Group Rings, Arch. d. Math. 51 (1988) 50 -- 54.
  26. On the Bass-Milnor Index of Abelian p-Groups, Contemp. Math. 93 (1989) 179 -- 195.
  27. Généralisation d'un lemme de Kummer, Can. Math. Bull. 32 (1989) 486 -- 489.
  28. (with J. Gamst) An Invariance Property of Hankel Forms, Lin. Alg. and its Appl. 122 (1989) 447 -- 456.
  29. Singular Values and the Spectral Theorem, Amer. Math. Monthly 97 (1990) 413 -- 414.
  30. (with J. Ritter) Constructible Units in Abelian p-Group Rings, J. Pure and Appl. Alg. 68 (1990) 325 -- 339.
  31. Local Units and Circular Index in Abelian p-Group Rings, J. Pure and Appl. Alg. 82 (1992) 253 -- 272.
  32. (with J. Ritter) The Artin-Hasse Power Series and p-adic Group Rings, J. Numb. Th. 39 (1991) 117 -- 128.
  33. Exotic Units in Group Rings of Rank p^2, Arch. d. Math. 58 (1992) 239 -- 247.
  34. Constructing Units in Commutative Group Rings, Manuscripta Math. 75 (1992) 5 -- 23.
  35. (with S.K. Sehgal) On a Theorem of Bovdi, Pub. Math. Debrecen 41 (1992) 259 -- 262.
  36. Units in Integral Group Rings for Order pq, Can. J. Math., 47 (1995) 113 -- 131.
  37. (with J. Gamst) Kummer's Lemma for Cyclic 2-Groups, Hamb. Abh. 65 (1995) 95 -- 104.
  38. Cyclotomic Units over Finite Fields, Rendiconti Palermo (2) 44 (1995), 5 -- 20.
  39. On the Arithmetic of Commutative Group Rings, in Group Theory, Algebra, and Number Theory (Ed. H.G. Zimmer), de Gruyter, Berlin (1996), 145 -- 201.
  40. Unit Bases in Small Cyclic Group Rings, in Methods in Ring Theory, (Ed. Drensky et al.), Marcel Dekker, New York (1998) 121 -- 139.