Chebyshevskii Sb., 2017, Volume 18, Issue 2

JOURNALS // Chebyshevskii Sbornik // Archive

2017, Volume 18, Issue 2

	Congratulations to Z. Kh. Rakhmonov	5
	About ring structures on the set of integers D. Yu. Artemov	6
	Hidden attractors of some multistable systems with infinite number of equilibria I. M. Burkin	18
	Some extremal problems for the Fourier transform over the eigenfunctions of the Sturm–Liouville operator D. V. Gorbachev, V. I. Ivanov	34
	On fractional linear transformations of forms A. Thue–M. N. Dobrovolsky–V. D. Podsypanina N. M. Dobrovol'skii, I. N. Balaba, I. Yu. Rebrova, N. N. Dobrovol'skii, E. A. Matveeva	54
	Classification purely real algebraic irrationalities N. M. Dobrovol'skii, N. N. Dobrovol'skii, D. K. Sobolev, V. N. Soboleva	98
	The transformation of objects in GeoGebra A. R. Esayan, N. N. Dobrovolsky	129
	Induced transformations for almost Hermitian structure of linear extensions L. A. Ignatochkina	144
	On congruence-coherent Rees algebras and algebras with an operator A. N. Lata	154
	The invariants of generalized $f$-transformations for almost contact metric structures A. V. Nikiforova	173
	The structure of almost Hermitian structures of total space of principal fiber $T^1$-bundle with flat connection over some classes of almost contact metric manifolds I. A. Petrov	183
	On the homological description of the Jacobson radical for Lie algebras and the locally nilpotent radical for special Lie algebras S. A. Pikhtilkov, O. A. Pikhtilkova, A. A. Gorelik, L. B. Usova	195
	Two-sided estimates of gamma-function on the real semiaxis A. Yu. Popov	205
	On the approximation of the flow of events for a Poisson E. V. Larkin, D. V. Gorbachev, A. N. Privalov	222
	$E$-rings of low ranks A. V. Tsarev	235
	On quasi-endomorphism rings of some strongly indecomposable torsion-free Abelian groups of rank 4 A. V. Cherednikova	245
	On homogeneous mappings of mixed modules D. S. Chistyakov	256
	Character sums over shifted powers Yu. N. Shteinikov	267

SHORT MESSAGES
	Periodicity and non-periodicity of finite sequences V. G. Chirskii	275

ANNIVERSARIES
	The 70th anniversary of professor Valery Georgievich Durnev V. N. Bezverkhnii, A. E. Ustyan, I. V. Dobrynina	279
	The 80th anniversary of professor Vladimir Konstantinovich Kartashov V. A. Artamonov, I. B. Kozhukhov, V. N. Chubarikov, N. M. Dobrovolsky, N. N. Dobrovolsky	298
	On mathematical research V. N. Kuznetsova (On the occasion of his 70th birthday) V. N. Chubarikov, V. G. Chirskii, N. M. Dobrovolsky, I. Yu. Rebrova, N. N. Dobrovolsky	305

MEMORABLE DATES
	Boris Veniaminovich Levin. On his 90th anniversary A. V. Shutov, V. G. Zhuravlev, A. S. Balci, M. B. Khripunova	315–330