**Papers Published**

- Bryant, R,
*Two exotic holonomies in dimension four, path geometries, and twistor theory*, in Complex geometry and Lie theory (Sundance, UT, 1989), Proc. Sympos. Pure Math., edited by Carlson, J; Clemens, H; Morrison, D, vol. 53 (1991), pp. 33-88, American Mathematical Society, ISBN 0-8218-1492-3

(last updated on 2018/07/23)**Author's Comments:**

This article eventually spawned a lot of work by Schhoeffer and Merkulov in finding new exotic holonomies via twistor theory, culminating in a classification of the possible irreducible affine holonomies. Consult their recent work to learn more about this.The .pdf file is here.