| Thread Links | Date Links | ||||
|---|---|---|---|---|---|
| Thread Prev | Thread Next | Thread Index | Date Prev | Date Next | Date Index |
Svetoslav Markov schrieb: > Sorry, by "nonzero interval" I meant an interval a that does not > involve zero, that is neither 0 \in a, not a \in 0. Indeed, these are quite different things. > I cannot understand > why it is so bothering that a*x = 1 is not solvable for intervals > involving zero. It is not more bothering than that for ordinary intervals, a + x = b is not solvable when diam(a)>diam(b). One never needs to solve any of the two equations. Arnold Neumaier