@article {ipa|On quasi-interpolation operators in spline spaces|2015,
	title = {On quasi-interpolation operators in spline spaces},
	year = {2015},
	month = {December},
	pages = {16 p.},
	institution = {CNR-IMATI},
	type = {Working paper},
	address = {Pavia},
	abstract = {<p class="rtejustify">We propose the construction of a class of L<sup>2</sup> stable quasi-interpolation operators onto the space of splines on tensor-product meshes, in any space dimension. The estimate we propose is robust with respect to knot repetition and to knot "vicinity" (up to <em>p</em>+1 knots), so it applies to the most general scenario in which the B-spline functions are known to be well defined.</p>
},
	keywords = {Quasi-interpolation},
	url = {http://irs.imati.cnr.it/reports/irs15-03},
	author = {A. Buffa and E.M. Garau and C. Giannelli and G. Sangalli}
}
