Celebratio Mathematica

L. Birbrair, A. Fernandes, and W. D. Neu­mann: “Bi-Lipschitz geo­metry of weighted ho­mo­gen­eous sur­face sin­gu­lar­it­ies,” Math. Ann. 342 : 1 (2008), pp. 139–​144. MR 2415318 Zbl 1153.​14003 ArXiv 0704.​2041 article

L. Birbrair, A. Fernandes, and W. D. Neu­mann: “Bi-Lipschitz geo­metry of com­plex sur­face sin­gu­lar­it­ies,” Geom. Ded­icata 139 (2009), pp. 259–​267. MR 2481850 Zbl 1164.​32005 ArXiv 0804.​0194 article

L. Birbrair, A. Fernandes, and W. D. Neu­mann: “Sep­ar­at­ing sets, met­ric tan­gent cone and ap­plic­a­tions for com­plex al­geb­ra­ic germs,” Se­lecta Math. (N.S.) 16 : 3 (2010), pp. 377–​391. MR 2734336 Zbl 1200.​14010 ArXiv 0905.​4312 article

L. Birbrair, A. Fernandes, and W. D. Neu­mann: “On nor­mal em­bed­ding of com­plex al­geb­ra­ic sur­faces,” pp. 17–​22 in Real and com­plex sin­gu­lar­it­ies (São Car­los, Brazil, 27 Ju­ly–2 Au­gust 2008). Edi­ted by M. Manoel, M. C. Romero Fuster, and C. T. C. Wall. Lon­don Math­em­at­ic­al So­ci­ety Lec­ture Note Series 380. Cam­bridge Uni­versity Press, 2010. Ded­ic­ated to our friends Maria (Cid­inha) Ru­as and Terry Gaffney in con­nec­tion to their 60th birth­days. MR 2759086 Zbl 1215.​14057 ArXiv 0901.​0030 incollection

L. Birbrair, A. Fernandes, V. Grand­jean, and D. O’Shea: “Chok­ing horns in Lipschitz geo­metry of com­plex al­geb­ra­ic vari­et­ies,” J. Geom. Anal. 24 : 4 (2014), pp. 1971–​1981. Ap­pendix by Wal­ter D. Neu­mann. MR 3261728 Zbl 1307.​14003 article

A. Fernandes and J. E. Sam­paio: “Tan­gent cones of Lipschitz nor­mally em­bed­ded sets are Lipschitz nor­mally em­bed­ded,” Int. Math. Res. Not. 2019 : 15 (August 2019), pp. 4880–​4897. Ap­pendix by Anne Pichon and Wal­ter D. Neu­mann. MR 3988673 Zbl 1457.​32014 ArXiv 1705.​00038 article