some new reductions from a lax integrable system
en-gui faninstitute of mathematics. fudan university; shanghai 200433; china

..............page:405-410

optimal harvesting and stability for a predator-prey system with stage structure
xin-yu song; lan-sun chendepartment of mathematics. xinyang teachers college; henan 464000; chinainstitute of mathematics; academy of mathematics and system sciences; chinese academy of sciences; beijing100080; china

..............page:423-430

some oscillatory singular integrals on herz-type spaces ( )
gary sampson; jing-shi xu; da-chun yangdepartment of mathematics; auburn university; auburn; al 36849-5310; usadepartment of mathematics; changsha university of electric power; changsha 410077; chinadepartment of mathematics; beijing normal university; beijing 100875; china

..............page:365-376

existence and uniqueness of endemic states for the age-structured mseir epidemic model
xue-zhi li; geni gupur; guang-tian zhudepartment of mathematics; xinyang teachers college; henan 464000; chinadepartment of mathematics; xinjiang university; urumqi 830046; chinainstitute of systems science; academy of mathematics and system sciences; chinese academy of sciences; beijing 100080; china

..............page:441-454

construction and dimension analysis for a class of fractal functions
hong-yong wang; zong-ben xudepartment of mathematics; huaibei coal industry teachers college; huaibei 235000; chinaresearch center for applied mathematics; faculty of science; xi an jiaotong university; xi an 710049; china

..............page:431-440

stability of solution of a class of quasilinear elliptic equations
qi-kang ran; ai-nong fangdepartment of applied mathematics; shanghai university of finance and economics; shanghai 200433; chinadepartment of applied mathematics; shanghai jiaotong university; shanghai 200030; china

..............page:461-470

digraphs and inclusion intervals of brualdi-type for singular values
jiong-sheng li; kai yang; qing-xue wangdepartment of mathematics; university of science and technology of china; hefei 230026; china

..............page:471-476

the approximation theorem of convolution operator in ~p set-valued function space
pei-xin yeinstitute of mathematics; academy of mathematics and system sciences; chinese academy of science; beijing

..............page:495-500

multiplicity of periodic solutions of duffing equations with jumping nonlinearities
zai-hong wangdepartment of mathematics; capital normal university; beijing 100037; china

..............page:513-522

existence of nonnegative solutions to singular semi-positone problems
hong-zhou wang; li-hu deng; wei-gao gedepartment of applied mathematics; beijing institute of technology; beijing 100081; china

..............page:523-528

the alternating-direction schemes and numerical analysis for the three-dimensional seawater intrusion simulation
zhi-yue zhanglasg; institute of atmospheric physics; chinese academy of sciences; beijing 100029; china & school of mathematics and computer science; nanjing normal university; nanjing 210097; china

..............page:389-404

randomly orthogonal (p, f)-factorizations in graphs
gui-zhen liu; he-ping longdepartment of mathematics; shandong university; jinan 250100; chinadepartment of mathematics; shandong university at weihai; weihai 264209; china

..............page:489-494

asymptotic properties of solutions of parabolic equations arising from transient diffusions
a.m. il in; r.z. khasminskii; g. yininstitute of mathematics and mechanics of russian academy ural branch; ekaterinburg; russiadepartment of mathematics; wayne state university; detroit; mi 48202department of mathematics; wayne state university; detroit; mi 48202

..............page:353-364

an adaptive neural network model for nonlinear programming problems
xiang-sun zhang; xin-jian zhuo; zhu-jun jingacademy of mathematics and system sciences; chinese academy of sciences; beijing 100080; chinaschool of information engineering; beijing university of posts and telecommunications; beijing 100876; chinahunan normal university; changsha 410081; china & academy of mathematics and system sciences; chinese academy of sciences; beijing 100080; china

..............page:377-388

on the monotonicity of ( ; g, h)-graphs
bao-guang xu; ping wang; jian-fang wanginstitute of policy and management; chinese academy of sciences; beijing 100080; chinadepartment of mathematics; statistics and computer science; st. francis xavier university; antigonish; ns; canada; b2g 2w5institute of applied mathematics; academy of mathematics and system sciences; chinese academy of sciences; beijing; 100080; china

..............page:477-480

bifurcation and chaos in a weakly nonlinear system subjected to combined parametric and external excitation
wei li; peng-cheng xuinstitute of mathematics; beijing university of chemical technology; beijing 100029; chinainstitute of applied mathematics; academy of mathematics and system sciences; chinese academy of sciences; beijing 100080; china

..............page:501-512

permanence in nonautonomous predator-prey lotka-volterra systems
wu-jun sun; zhi-dong teng; yuan-hong yudepartment of applied mathematics. shanghai jiaotong university; shanghai 200030; chinadepartment of mathematics; xinjiang university. urumqi 830046.institute of applied mathematics; academy of mathematics and system sciences; chinese academy of sciences; beijing 100080; china

..............page:411-422

on the convergence rate of a space decomposition method
shu-zi zhou; jinping zeng; gui-hua shandepartment of applied mathematics; hunan university; changsha 410082; china

..............page:455-460

a class of multiderivative hybrid one-step methods
feng-jian yang; xin-ming chen; ai-guo zhangdepartment of mathematics; zhongkai agrotechnical college; guangzhou 510225; chinadepartment of mathematics and physics; wuyi university; jiangmen 529020; chinadepartment of basics; zhongshan college; zhongshan 528403; china

..............page:481-488