2007/07/23 by J K Langley, Langley, J K
Mathematics · #30D35 #Complex Variables (math.CV) #FOS: Mathematics #math.CV #msc:30D35
paper · pdf · doi:10.48550/arxiv.0707.3339
arxiv created 2007/07/23 · arxiv updated 2009/12/01
Lower bounds are given for the number of non-real zeros of a second order linear differential polynomial with constant coefficients in a real entire function with finitely many non-real zeros.