Those more than half a square count as whole ones.
Using (2) and following steps analogous to those above, we obtain......
Our results are closely related to those of Strang .
These intervals are disjoint from all those used in defining J1.
In the plane, the open sets are those which are unions of open circular discs.
We define the set T to consist of those f for which......
Now A consists of those vectors with eight 2's.
Keep only those vertices whose coordinates sum to 4. [= add up to 4]