Sven Beuchler, Veronika Pillwein and Sabine Zaglmayr Sparsity optimized high order finite element functions for $H(\romancurl)$ on tetrahedra Adv. in Appl. Math., 50(5): 749--769 2013 http://dx.doi.org/10.1016/j.aam.2012.11.004
Sven Beuchler, Veronika Pillwein and Sabine Zaglmayr Fast summation techniques for sparse shape functions in tetrahedral $hp$-FEM In Domain decomposition methods in science and engineering {XX}, Volume 91 of Lect. Notes Comput. Sci. Eng.
page 511--518.
Publisher: Springer, Heidelberg
2013 http://dx.doi.org/10.1007/978-3-642-35275-1_60
2012
Sven Beuchler, Veronika Pillwein, Joachim Schöberl and Sabine Zaglmayr Sparsity optimized high order finite element functions on simplices In Numerical and symbolic scientific computing, Texts Monogr. Symbol. Comput.
page 21--44.
Publisher: SpringerWienNewYork, Vienna
2012 http://dx.doi.org/10.1007/978-3-7091-0794-2_2