The collision risk [r.sub.ij] between two aircrafts i and j is computed in four different ways, depending on the combinations of vertical and horizontal conflicts:
A horizontal conflict occurs if the security cylinder of aircraft i intersects the shadow segment generated by aircraft j or, on the contrary, since [mathematical expression not reproducible] are parallels.
''I believe that the act of burning the holy script of a religion will incite horizontal conflicts
...and can incite violent action,'' Yudhoyono said in a statement televised live.
arise from differences among personnel at the same level; vertical ones result from personnel or offices at different levels in the organizational hierarchy.
"This means he must solve the horizontal conflicts
. And the most important thing is to make a solid elite," he said.
Then what started as a horizontal conflict
internal to the unit will become part of, or create, a vertical struggle between parties not originally involved.