5 citations · 6 across the 2 of their papers we have counts for
1 paper · 2 filters
Jens Hoppe, Ari Laptev, Jorgen Ostensson
A non-linear functional Q[u,v] is given that governs the loss, respectively gain, of (doubly degenerate) eigenvalues of fourth order differential operators $L = \partial^4 + \par…