2013, Volume 77, Issue 3

This issue is dedicated to I. R. Shafarevich on his 90th birthday

	Congratulations to Igor Rostislavovich Shafarevich Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 435 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002642 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3 DOI: https://doi.org/10.4213/im8122		435
	Hasse principle for $G$-trace forms E. Bayer-Fluckiger, R. Parimala, J-P. Serre Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 437–460 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002643 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 5–28 DOI: https://doi.org/10.4213/im8011		437–460
	Ice cream and orbifold Riemann–Roch A. Buckley, M. Reid, S. Zhou Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 461–486 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002644 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 29–54 DOI: https://doi.org/10.4213/im8025		461–486
	Compactifications of spaces of Landau–Ginzburg models C. Diemer, L. Katzarkov, G. Kerr Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 487–508 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002645 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 55–76 DOI: https://doi.org/10.4213/im8019		487–508
	The rationality of the moduli spaces of Coble surfaces and of nodal Enriques surfaces I. V. Dolgachev, Sh. Kondo Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 509–524 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002646 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 77–92 DOI: https://doi.org/10.4213/im7959		509–524
	On the derived category of $\overline{M}_{0,n}$ Yu. I. Manin, M. Smirnov Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 525–540 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002647 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 93–108 DOI: https://doi.org/10.4213/im7944		525–540
	Sobolev metrics on diffeomorphism groups and the derived geometry of spaces of submanifolds M. Micheli, P. W. Michor, D. Mumford Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 541–570 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002648 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 109–138 DOI: https://doi.org/10.4213/im7966		541–570
	Elliptic fibrations of maximal rank on a supersingular K3 surface T. Shioda Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 571–580 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002649 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 139–148 DOI: https://doi.org/10.4213/im8017		571–580
	Homotopy groups as centres of finitely presented groups J. Wu, R. V. Mikhailov Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 581–593 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002650 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 149–162 DOI: https://doi.org/10.4213/im7981		581–593
	Covering semigroups Vik. S. Kulikov, V. M. Kharlamov Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 594–626 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002651 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 163–198 DOI: https://doi.org/10.4213/im7997		594–626
	On birational involutions of $\mathbb P^3$ Yu. G. Prokhorov Izvestiya: Mathematics, 2013, Volume 77, Issue 3, Pages 627–648 DOI: https://doi.org/10.1070/IM2013v077n03ABEH002652 Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya, 2013, Volume 77, Issue 3, Pages 199–222 DOI: https://doi.org/10.4213/im8014		627–648