## Differential and Integral Equations

### Lower bounds for the deficiency indices of $T_0(\tau^+)T_0(\tau)$, where $\tau$ is a linear ordinary differential expression

Frank D. Isaacs

#### Article information

Source
Differential Integral Equations, Volume 6, Number 6 (1993), 1415-1430.

Dates
First available in Project Euclid: 31 May 2013

Permanent link to this document
https://projecteuclid.org/euclid.die/1370019766

Mathematical Reviews number (MathSciNet)
MR1235203

Zentralblatt MATH identifier
0811.47046

#### Citation

Isaacs, Frank D. Lower bounds for the deficiency indices of $T_0(\tau^+)T_0(\tau)$, where $\tau$ is a linear ordinary differential expression. Differential Integral Equations 6 (1993), no. 6, 1415--1430. https://projecteuclid.org/euclid.die/1370019766