期刊名称:International Journal of Mathematics and Mathematical Sciences
印刷版ISSN:0161-1712
电子版ISSN:1687-0425
出版年度:1992
卷号:15
期号:2
页码:339-346
DOI:10.1155/S0161171292000425
出版社:Hindawi Publishing Corporation
摘要:
A partial differential equation with the argument [ λ t ] is studied, where [ • ] denotes the greatest integer function. The infinite delay t − [ λ t ] leads to difference equations of unbounded order.