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Long pdf file of the whole paper; or two shorter pdf files: part 1 and part 2 Local Galois theory in dimension two (with K. Stevenson), Advances in Math. (special issue in honor of M. Artin's 70th birthday), vol. 198 (2005), 623-653. pdf file pdf file of 2nd edition (2009) for semi-free groups Correction and addendum to "Embedding problems with local conditions", Israel Journal of Mathematics, vol. 162 (2007), 373-379. pdf file Oort groups and lifting problems (with T. Chinburg and R. Guralnick). Compositio Mathematica, vol. 114 (2008), 849-866. pdf file On function fields with free absolute Galois groups, Crelle's Journal, vol. 632 (2009), 85-103. DOI: 10.1515/CRELLE.2009.051. pdf file Applications of patching to quadratic forms and central simple algebras (with J. Hartmann and D. Krashen), Inventiones Mathematicae, vol. 178 (2009), 231-263. DOI 10.1007/s00222-009-0195-5. The original on-line publication is available at www.springerlink.com. pdf file of the preprint Patching over fields (with J. Hartmann), Israel Journal of Mathematics, vol. 176 (2010), 61-107. DOI 10.1007/s11856-010-0021-1. Published on-line June, 2010 at www.springerlink.com. pdf file of the preprint Permanence criteria for semi-free profinite groups (with L. Bary-Soroker and D. Haran). Mathematische Annalen, vol. 348, no. 3 (2010), 539-563. DOI 10.1007/s00208-010-0484-8. Published on-line Feb. 2010, at www.springerlink.com. pdf file of the preprint

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