{"title":"Bilinearization, solitons and modulational instability for a variable-coefficient nonlocal Hirota equation","authors":"Hao-Dong Liu, Bo Tian","doi":"10.1016/j.aml.2025.109688","DOIUrl":null,"url":null,"abstract":"<div><div>Hirota-type equations have been used to model certain nonlinear waves in the nonlinear optical fibers. In this paper, a variable-coefficient nonlocal Hirota equation is investigated: Via the improved Hirota method, we obtain the bilinear forms and soliton solutions; The asymptotic analysis is discussed; We also study the modulational instability.</div></div>","PeriodicalId":55497,"journal":{"name":"Applied Mathematics Letters","volume":"172 ","pages":"Article 109688"},"PeriodicalIF":2.8000,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Mathematics Letters","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0893965925002381","RegionNum":2,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATHEMATICS, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
Hirota-type equations have been used to model certain nonlinear waves in the nonlinear optical fibers. In this paper, a variable-coefficient nonlocal Hirota equation is investigated: Via the improved Hirota method, we obtain the bilinear forms and soliton solutions; The asymptotic analysis is discussed; We also study the modulational instability.
期刊介绍:
The purpose of Applied Mathematics Letters is to provide a means of rapid publication for important but brief applied mathematical papers. The brief descriptions of any work involving a novel application or utilization of mathematics, or a development in the methodology of applied mathematics is a potential contribution for this journal. This journal''s focus is on applied mathematics topics based on differential equations and linear algebra. Priority will be given to submissions that are likely to appeal to a wide audience.