Chief editors
	Drozd Yu.A. Kyiv Taras Shevchenko University, UKRAINE yuriy@drozd.org		Kirichenko V.V. Kyiv Taras Shevchenko University, UKRAINE vkir@univ.kiev.ua			Sushchansky V.I. Kyiv Taras Shevchenko University, UKRAINE wital.suszczanski@polsl.pl

Vice chief editors
	Komarnytskyj M.Ya. Lviv Ivan Franko University, UKRAINE mykola_komarnytsky@ yahoo.com		Petravchuk A.P. Kyiv Taras Shevchenko University, UKRAINE aptr@univ.kiev.ua			Zhuchok A.V. Lugansk National Taras Shevchenko University, UKRAINE zhuchok_a@mail.ru

Scientific Secretaries
	Babych V.M. Kyiv Taras Shevchenko University, UKRAINE babych.adm.journal@gmail.com			Zhuchok Yu.V. Lugansk National Taras Shevchenko University, UKRAINE zhuchok_y@mail.ru
Editorial board
	Artamonov V.A. Moscow State Mikhail Lomonosov University, RUSSIA artamon@mech. math.msu.su		Mazorchuk V. University of Uppsala, SWEDEN mazor@math.uu.se			Shestakov I.P. University of Sao Paulo, BRAZIL and Sobolev Institute of Mathematics, Novosibirsk, RUSSIA shestak@ime.usp.br

	Dlab V. Carleton University, Ottawa, CANADA vdlab@math.carleton.ca		Mikhalev A.V. Moscow State Mikhail Lomonosov University, RUSSIA mikhalev@mech.math.msu.su			Simson D. Nicholas Copernicus University, Torun, POLAND simson@mat.uni.torun.pl

	Futorny V.M. Sao Paulo University, BRAZIL secmat@ime.usp.br		Nekrashevych V. Texas A&M University College Station, TX, USA nekrashevych@math.tamu.edu			Shmelkin A.L. Moscow State Mikhail Lomonosov University, RUSSIA alfred@shmelkin.pvt.msu.su

	Grigorchuk R.I. Steklov Institute of Mathematics, Moscow, RUSSIA grigorch@mi.ras.ru, grigorch@math.tamu.edu		Olshanskii A.Yu. Vanderbilt University, Nashville, TN, USA alexander.olshanskiy@vanderbilt.edu			Subbotin I.Ya. College of Letters and Sciences, National University, USA isubboti@nu.edu

	Kurdachenko L.A. Dnepropetrovsk University, UKRAINE lkurdachenko@ua.fm		Pilz G. Johannes Kepler University, Linz, AUSTRIA guenter.pilz@jku.at			Wisbauer R. Heinrich Heine University, Dusseldorf, GERMANY wisbauer@math. uni-duesseldorf.de

	Kashu A.I. Institute of Mathematics and Computer Science, AS of Moldova, Chisinau, MOLDOVA kashuai@math.md		Protasov I.V. Kyiv Taras Shevchenko University, UKRAINE i.v.protasov@gmail.com			Yanchevskii V.I. Institute of Mathematics NAS of Belarus, Minsk, BELARUS yanch@im.bas-net.by

	Lyubashenko V. Institute of Mathematics NAS of Ukraine, Kyiv, UKRAINE lub@imath.kiev.ua		Sapir M.V. Vanderbilt University, Nashville, TN, USA m.sapir@vanderbilt.edu			Zelmanov E.I. University of California, San Diego, CA, USA ezelmano@math.ucsd.edu

	Marciniak Z. Warsaw University, POLAND zbimar@mimuw.edu.pl