Contents IJPAM: Volume 55, No. 3 (2009)

Q. Al-Hassan
TRIDIAGONAL MATRICES AND THE COMPUTATION
OF GAUSSIAN QUADRATURES ... 301
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A.N. Kercheval
ON REBONATO AND JÄCKEL'S PARAMETRIZATION
METHOD FOR FINDING NEAREST
CORRELATION MATRICES ... 311
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X.R. Chen, L.J. Pan
EXISTENCE OF PERIODIC SOLUTIONS FOR $n$-TH
ORDER DIFFERENTIAL EQUATIONS WITH
DEVIATING ARGUMENT ... 319
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Q.-S. Zhu
ON PRIMARY IDEALS AND RADICALS OF
ORDERED SEMIGROUPS ... 335
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H. Liu
PERSISTENCE OF THE PREDATOR-PREY MODEL WITH
MODIFIED LESLIE-GOWER HOLLING-TYPE II
SCHEMES AND IMPULSE ... 343
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X. Yu
ESSENTIAL COMPONENTS OF THE SET OF
EQUILIBRIUM POINTS FOR GENERALIZED
GAMES IN THE UNIFORM TOPOLOGICAL
SPACE OF BEST REPLY CORRESPONDENCES ... 349
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R.-H. Wang, Z. Fei-Yu, X.-X. Yan
EXISTENCE OF TRAVELING WAVES IN LOTKA-VOLTERRA
COMPETITION MODELS WITH DISTRIBUTED
MATURATION DELAY ... 359
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Z. Zhang, J. Yang, L.M. Wu
OSCILLATION CRITERIA FOR SECOND ORDER NONLINEAR
NEUTRAL DIFFERENTIAL EQUATION ON TIME SCALES ... 373
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I.M. Stamova, J.-F. Emmenegger
PARAMETRIC STABILITY OF THE SOLUTIONS OF
THE IMPULSIVE DIFFERENTIAL SOLOW EQUATION
WITH DELAY AND DYNAMIC THRESHOLD EFFECTS ... 383
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W. Satsanit, A. Kananthai
THE GENERALIZED NONLINEAR HEAT EQUATION
AND ITS SPECTRUM ... 405
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C. Frappier
RECENT DEVELOPMENTS IN
THE THEORY OF ALPHA-CALCULUS ... 417
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G. Grossman, A. Tefera, A. Zeleke
ON REPRESENTATION OF CERTAIN REAL NUMBERS
USING COMBINATORIAL IDENTITIES ... 451
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