id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejde-811	Li, Chunhong; Zhou, Tiantian	Discrete Stein-Weiss inequalities	2025	18	.pdf	application/pdf	6401	418	90	When we cut off f = (fi)i∈Zn N and g = (gi)i∈Zn N , inequality (1.3) is reduced to∑ |i|≤N,|j|≤N,i̸=j |fi||gj | |i− j|λ ≤ KN∥f∥lr(Zn N )∥g∥ls(Zn N ), ∀(f, g) ∈ lr(Zn N )×ls(Zn N ), (1.4) where KN ∈ (0,∞) is the best constant, and Zn N := {i ∈ Zn; |i| ≤ N}. Denote the extremal sequences of (1.13) by (fN , gN ) and |fN i1 | = max{|fN i |; |i| ≤ N}, |gNi2 | = max{|gNi |; |i| ≤ N} We write a(N)	cache/ejde-811.pdf	txt/ejde-811.txt