Möller, H.M.: On the construction of cubature formulae with few nodes using Groebner bases. In: Numerical integration (Halifax, N.S., 1986), NATO Adv. Sci. Inst. Ser. C Math. Phys. Sci., 203, pp. 177–192. Reidel, Dordrecht (1987) About this Article Title On the ideal of...
Lemma 2. For a planar graph of order V , the k-pairs distance problem can be solved in (i) (ii) O O (V (V 3/2 + k log2 V √ +Vk)√tiVmleo, ga2nVd in ) time. Furthermore, the shortest path between the closest pair can be found in the same amount of time. Proof. ...