| 1999 | ||
|---|---|---|
| 3 | Christer Berg, Staffan Ulfberg: Symmetric Approximation Arguments for Monotone Lower Bounds Without Sunflowers. Computational Complexity 8(1): 1-20 (1999) | |
| 1998 | ||
| 2 | Christer Berg, Staffan Ulfberg: A Lower Bound for Perceptrons and an Oracle Separation of the PPPH Hierarchy. J. Comput. Syst. Sci. 56(3): 263-271 (1998) | |
| 1997 | ||
| 1 | Christer Berg, Staffan Ulfberg: A Lower Bound for Perceptrons and an Oracle Separation of the PPPH Hierarchy. IEEE Conference on Computational Complexity 1997: 165-172 | |
| 1 | Staffan Ulfberg | [1] [2] [3] |