..............page:473-476
..............page:459-463
..............page:435-438
..............page:509-513
..............page:470-472
Sub-characteristic value of real matrix
liu xiao-ming1; guo hua2(1.college of computer science and infermation engineering; chongqing technology and business university; chongqing 400067; china; 2.school of science; chongqing technology and business university; chongqing 400067; china)
..............page:431-434
..............page:455-458
..............page:493-498
..............page:439-441
..............page:464-466
..............page:499-501
..............page:481-484
..............page:477-480,498
..............page:485-488
..............page:453-454
..............page:445-447
..............page:448-449
..............page:489-492
..............page:450-452,472
..............page:525-528
..............page:514-518
..............page:519-524
..............page:529-532
The narrowed hypertree and the generalized hypertree
he jing1; lai han2(1.section of computer science; department of earth-management; chongqing communication institute; chongqing 430005; china; 2.computer science and information engineering college; chongqing technology and business university; chongqing 400067; china)
..............page:442-444
..............page:467-469
..............page:427-430
..............page:506-508,532
..............page:502-505