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Automotives

Published online by Cambridge University Press:  05 July 2011

Marian Deaconescu
Affiliation:
Kuwait University, Kuwait
Gary Walls
Affiliation:
Southeastern Louisiana University, USA
C. M. Campbell
Affiliation:
University of St Andrews, Scotland
M. R. Quick
Affiliation:
University of St Andrews, Scotland
E. F. Robertson
Affiliation:
University of St Andrews, Scotland
C. M. Roney-Dougal
Affiliation:
University of St Andrews, Scotland
G. C. Smith
Affiliation:
University of Bath
G. Traustason
Affiliation:
University of Bath
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Summary

Abstract

This paper is an eclectic collection of results of the authors. The results come from “in some sense” basic, perhaps even simple, ideas covering a variety of topics. Many of these topics are related to classic results, but others simply reflect things that were of interest to the authors.

Introduction

This is an account of some of the work done by the authors, work which falls (mostly) under the section 20D45 of the 2000 Mathematics Subject Classification. The topics are eclectic, there is no apparent connection between these “motives”, but a common trait is that the notions involved are “elementary”, or “basic,” or any other adjective suggesting simplicity.

A number of topics are related to classic results, many of which do appear in popular group theory texts. As Hardy said, “debunking” is a large part of the activity of a mathematician: trying to find simpler explanations for known results could be rewarding indeed.

Some of the themes we discuss here were visited and revisited before and we have included our results among many others for the sake of giving a larger picture. However, our approach is anything but exhaustive.

Notation and Terminology

The letter G always denotes a group. If “G is finite” is not specified, it is understood that the finiteness condition is lifted.

Type
Chapter
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Publisher: Cambridge University Press
Print publication year: 2011

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References

[1] H., Bechtell, M., Deaconescu and Gh., Silberberg, Finite Groups with large automizers for their abelian subgroups, Canadian Math. Bull. (3) 40 (1997), 266–270.Google Scholar
[2] R., Brandl, Commutators and π-subgroups, Proc. Amer. Math. Soc. 109(1990), 305–308.Google Scholar
[3] R., Brandl and M., Deaconescu, Finite groups with small atomizers for their nonabelian subgroups, Glasgow Math. J. 41 (1999), 59–64.Google Scholar
[4] R., Brandl, S., Franciosi, and F., de Giovanni, Groups whose subgroups have small automizers, Rend. Circ. Mat. Palermo. II Ser. 48 (1999), 13–22.Google Scholar
[5] J. N., Bray and R. A., Wilson, On the orders of automorphism groups of finite groups, Bull. London Math. Soc. 37 (2005), 381–385.Google Scholar
[6] J. N., Bray and R. A., Wilson, On the orders of automorphism groups of finite group, II, J. Group Theory 9 (2006), 537–547.Google Scholar
[7] W., Burnside, On the outer automorphisms of a group, Proc. London Math. Soc. (2) 11 (1913), 40–42.Google Scholar
[8] W., Burnside, Theory of Groups of Finite Order, 2nd ed., Dover Publications Inc., New York, 1955.Google Scholar
[9] C., Chiş, M., Chiş and Gh., Silberberg, Abelian groups as autocommutator subgroups, Arch. Math. (Basel) 90 (2008), 490–492.Google Scholar
[10] C. D. H., Cooper, Power automorphisms of a group, Math. Z. 107 (1968), 335–356.Google Scholar
[11] G., Cutolo, A note on central automorphisms of groups, Atti. Accad. Naz. Lincei, Cl. Sci. Fis, Mat. Nat., IX Ser., Rend. Lincei, Mat. Appl. 3 (1992), 102–106.Google Scholar
[12] G., Cutolo, A remark about central automorphisms of groups, Rend. Sem. Mat. Univ. Padova 115 (2006), 199–203.Google Scholar
[13] M., Deaconescu, On a special class of finite 2-groups, Glasgow Math. J. 34 (1992), no. 1, 127–131.Google Scholar
[14] M., Deaconescu, Problem 10270, Amer. Math. Monthly 99 (1992), 958.Google Scholar
[15] M., Deaconescu and Gh., Silberberg, Finite co-Dedekindian groups, Glasgow Math. J. 38 (1996), 163–169.Google Scholar
[16] M., Deaconescu and H. K., Du, Counting similar automorphisms of finite cyclic groups, Math. Japonica 46 (1997), 345–348.Google Scholar
[17] M., Deaconescu and V. D., Mazurov, Finite groups with large atomizers for their nonabelian subgroups, Arch. Math. (Basel) 69 (1997), 441–444.Google Scholar
[18] M., Deaconescu and G. L., Walls, Right 2-Engel elements and commuting automorphisms, J. Algebra 238 (2001), 479–484.Google Scholar
[19] M., Deaconescu, Gh., Silberberg and G. L., Walls, On commuting automorphisms of groups, Arch. Math. (Basel) 79 (2002), 423–429.Google Scholar
[20] M., Deaconescu and G. L., Walls, On orbits of automorphism groups (Russian), Sib. Mat. Zh. 46 (2005), 533–537; English translation in Sib. Math. J.46 (2005), 413–416.Google Scholar
[21] M., Deaconescu and G. L., Walls, Cyclic groups as autocommutator groups, Comm. Alg. 35 (2007), 215–219.Google Scholar
[22] M., Deaconescu and G. L., Walls, On a theorem of Burnside on fixed-point-free automorphisms, Arch. Math. (Basel) 90 (2008), 97–100.Google Scholar
[23] M., Deaconescu, An identity involving multiplicative orders, Integers A09 (2008).Google Scholar
[24] M., Deaconescu and G. L., Walls, On orbits of automorphism groups, II, Arch. Math. (Basel) 92 (2009), 200–205.Google Scholar
[25] M., Deaconescu, R., Khazal and G. L., Walls, Forcing a finite group to be abelian, accepted by P.R.I.A.
[26] M., Deaconescu and R., Gow, unpublished manuscript.
[27] B., Eick, The converse of a theorem of Gashütz on Frattini subgroups, Math. Z. 224 (1997), 103–111.Google Scholar
[28] D., Garrison, L. Ch., Kappe and D., Yull, Autocommutators and the autocommutator subgroup, Contemporary Math. 421 (2006), 137–146.Google Scholar
[29] W., Gaschütz, Über die Φ-Untergruppe endlicher Gruppen, Math. Z. 58 (1953), 160–170.Google Scholar
[30] W., Gaschütz, Nichtabelsche p-Gruppen besitzen äussere p-Automorphismen, J. Algebra 4 (1966), 1–2.Google Scholar
[31] D., Gorenstein, Finite Groups, Harper & Row, 1968.Google Scholar
[32] P. V., Hegarty, Autocommutator subgroups of finite groups, J. Algebra 190 (1997), 556–562.Google Scholar
[33] G., Helleloid and U., Martin, The automorphism group of a finite p-group is almost always a p-group, J. Algebra 312 (2007), 294–329.Google Scholar
[34] I. N., Herstein, Problem E3039, Amer. Math. Monthly 91 (1984), 203.Google Scholar
[35] M., Hertweck, A counterexample to the isomorphism problem for integral group rings, Ann. Math. (2) 154 (2001), 115–138.Google Scholar
[36] I. M., Isaacs, Character theory of finite groups, Academic Press, 1976.Google Scholar
[37] E., Jabara, Risolubilitá dei gruppi finiti dotati di un automorfismo spezzante di ordine 4, Boll. Unione Mat. Ital. VII Ser. B 8 (1994), 915–928.Google Scholar
[38] E., Jabara, Automorfismi che fissano i centralizzanti di un gruppo, Rend. Semin. Mat. Univ. Padova 102 (1999), 233–239.Google Scholar
[39] E., Jabara, Automorfismi spezzanti di ordine primo, Rend. Circ. Mat. Palermo II Ser. 50 (2003), 158–162.Google Scholar
[40] E., Jabara, Actions of abelian groups on groups, J. Group Theory 10 (2007), 185–194.Google Scholar
[41] A. R., Jamali and H., Mousavi, On the co-Dedekindian finite p-groups with noncyclic abelian second centre, Glasgow Math. J. 44 (2002), 1–8.Google Scholar
[42] O., Kegel, Die Nilpotenz der Hp-Gruppen, Math. Z. 75 (1961), 373–376.Google Scholar
[43] I., Korchagina, On the classification of finite SANS-groups, J. Algebra Appl. 6 (2007), 461–467.Google Scholar
[44] T. J., Laffey, Solution of problem E3039, Amer. Math. Monthly 93 (1986), 816.Google Scholar
[45] D. H., Lehmer, On Euler's totient function, Bull. Amer. Math. Soc. 38 (1932), 745–751.Google Scholar
[46] J. C., Lennox and J., Wiegold, On a question of Deaconescu about automorphisms, Rend. Semin. Mat. Univ. Padova 89 (1993), 83–86.Google Scholar
[47] C., Maxson and M., Pettet, Maximal subrings and E-groups, Arch. Math. (Basel) 88 (2007), 392–402.Google Scholar
[48] P. M., Neumann, Proof of a conjecture by Garrett Birkoff and Philip Hall on the automorphisms of a finite group, Bull. London Math. Soc. 27 (1995), 222–224.Google Scholar
[49] V. N., Obraztsov, On a question of Deaconescu about automorphisms, III, Rend. Semin. Mat. Univ. Padova 99 (1998), 45–82.Google Scholar
[50] M., Pettet, On automorphisms of A-groups, Arch. Math. (Basel) 91 (2008), 289–299.Google Scholar
[51] M., Pettet, Private communication.
[52] P., Rowley, Finite groups admitting a fixed-point-free automorphism group, J. Algebra 174 (1995), 724–727.Google Scholar
[53] H., Smith and J., Wiegold, On a question of Deaconescu about automorphisms, II, Rend. Semin. Mat. Univ. Padova 91 (1994), 61–64.Google Scholar
[54] A., Stein, A conjugacy class as a transversal in a finite group, J. Algebra 239 (2001), 365–390.Google Scholar
[55] F., Szechtman, n-inner automorphisms of finite groups, Proc. Amer. Math. Soc. 131 (2003), 3657–3664.Google Scholar
[56] J. G., Thompson, Finite groups with fixed-point-free automorphisms of prime order, Proc. Nat. Acad. Sci. U.S.A. 45 (1959), 578–584.Google Scholar
[57] G. E., Wall, Finite groups with class preserving outer automorphisms, J. London Math. Soc. 22 (1947), 315–320.Google Scholar
[58] Y., Wang and Z., Chen, Solubility of finite groups admitting a coprime operator group, Boll. Unione Mat. Ital., VII, Ser. A 7 (1993), 325–331.Google Scholar
[59] H., Zassenhaus, A group-theoretic proof of a theorem of Maclagan-Wedderburn, Proc. Glasgow Math. Assoc. 1 (1952), 53–63.Google Scholar

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