| arXiv | Name | Symbol | Parsed | Bound |
|---|---|---|---|---|
| astro-ph/0611704 🔍 (source) | spectral index steepens | \alpha | -0.61 ± 0.04 |
|
| 1503.02420 🔍 (source) | spectral index steepens sharply | -1.0 |
Upper | |
| 1507.00859 🔍 (source) | spectral index steepens | -0.5 |
||
| 1507.00859 🔍 (source) | spectral index steepens | \alpha | -0.7 |
Upper |
| 1811.09708 🔍 (source) | spectral index steepens | -1.06 ± 0.06 |
||
| 1811.09708 🔍 (source) | spectral index steepens | -1.29 ± 0.09 |