id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-955	Stolin, A.	25 Years of Quantum Groups: from Definition to Classification	2008	4	.pdf	application/pdf	4227	244	64	(15) We see that, by a suitable choice of parameters a, b and z2, we can add to the XXZ Hamiltonian an arbitrary linear com- bination of the terms � � � �k z k k Set � � �� I I� �, where � �I � is an orthonormal basis of g with respect to the Killing form.	cache/ap-955.pdf	txt/ap-955.txt