� / Moscow Journal of Combinatorics and Number Theory. 2012

Contents

	On the Rankin–Selberg problem in short intervals – Aleksandar Ivic' (Belgrade)
	1.	Introduction and statement of results
	2.	Proof of the Theorems
		Bibliography
	Monotone crossing number – János Pach and Géza Tуth (Budapest)
	1.	Introduction
	2.	Proof of Theorem 1.1
	3.	Proof of Theorem 1.2
	4.	Concluding remarks
		Bibliography
	Multivariable Tangent and Secant q-derivative Polynomials – Dominique Foata (Strasbourg), Guo-Niu Han (Strasbourg)
	1.	Introduction
	2.	A detour to the theory of q-trigonometric functions
	3.	Transformations on t-permutations
	4.	Proof of Theorem 1.1
	5.	Proof of Theorem 1.2
	6.	Proof of Theorem 1.3
	7.	More on q-trigonometric functions
	8.	Proof of Theorem 1.4
	9.	Proof of Theorem 1.5
	10.	Specializations
	11.	Tables
		Bibliography
	Sums with convolution of Dirichlet characters – Dmitry Ushanov (Moscow)
	1.	Introduction
	2.	Statement of results
	3.	Basic notation
	4.	Lemmata
	5.	Proof of Theorem 1 for small T
	6.	Proof of Theorem 1 for large T
	7.	Prime moduli
	8.	Proof of Corollary 1
		Bibliography

. Moscow Journal of Combinatorics and Number Theory.
2012. Vol.2, Iss.3