Table 5 Number of equilibriums with respect to \(R_0\), a and c.
From: Bistability and bifurcations in HIV-1 infection model with non-monotone responses
\(R_0\) range | \(R_0\) value | \(a\in (0,0.1)\) | \(a\in (0.1,0.5)\) | \(a\in (0.5,2)\) | \(c\in (0,0.1)\) | \(c\in (0.1,0.5)\) | \(c\in (0.5,3)\) |
|---|---|---|---|---|---|---|---|
\(c=0.1\) | \(c=0.1\) | \(c=0.1\) | \(a=0.1\) | \(a=0.1\) | \(a=0.1\) | ||
Number of endemic equilibriums | |||||||
 \(R_0<1\) | \(R_0=0.9\) | 1 | 1 | 1 | 1 | 1 | 3 |
 \(R_0=1\) | \(R_0=1\) | 1 | 1 | 1 | 1 | 1 | 3 |
 \(1<R_0<2\) | \(R_0=1.5\) | 1 | 1 | 1 | 1 | 3 | 3 |
 \(R_0>2\) | \(R_0=2.5\) | 3 | 3 | 3 | 1 | 3 | 3 |
