期刊论文详细信息
International Journal of Mathematics and Mathematical Sciences | |
Sign changes in linear combinations of derivatives and convolutions of Polya frequency functions | |
Steven Nahmias1  Frank Proschan2  | |
[1] Department of Mathematics, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA;Department of Statistics, Florida State University, Tallahassee, Florida 32306, USA; | |
关键词: Polya frequency functions; sign changes; derivatives; convolutions; total positivity; variation diminishing property; linear combinations; sign regular functions.; | |
DOI : 10.1155/S0161171279000090 | |
来源: DOAJ |
【 授权许可】
Unknown