Volume 38, (1990)

Research Article

Existence of BIBD’s with block size seven

Zhu, Lie; Wu, Shuzhong

Util. Math. 38, 3-13 (1990).

Research Article

Optimal incomplete block designs for comparing treatments with a control under the nearest neighbor correlation model

Bhaumik, Dulal Kumar

Util. Math. 38, 15-25 (1990).

Research Article

Existence of Hermite interpolatory end point constrained rational approximation

Lawson, J. D.; Lau, T. C.; Taylor, G. D.

Util. Math. 38, 27-31 (1990).

Research Article

Quelques identités pour les q-analogues. (Some identities for q- analogs)

Mercier, A.

Util. Math. 38, 33-41 (1990).

Research Article

Some constructions for rectangular, Latin square and pseudocyclic nested row-column designs

Morgan, John P.; Uddin, Nizam

Util. Math. 38, 43-51 (1990).

Research Article

Orthotropic elastic half-space containing a moving crack

Tupholme, G. E.

Util. Math. 38, 53-60 (1990).

Research Article

On some Weierstrass product type inequalities and their converses

Dubeau, François

Util. Math. 38, 61-63 (1990).

Research Article

Inverses of matrices arising from difference operators

Cheng, Sui Sun; Hsieh, Liang Yu

Util. Math. 38, 65-77 (1990).

Research Article

Tensorial concomitants of a metric tensor and a covector

Prélat, Daniel

Util. Math. 38, 79-92 (1990).

Research Article

Construction of variance-balanced designs

Sinha, Kishore

Util. Math. 38, 93-96 (1990).

Research Article

Defining sets of single-transposition-free designs

Gray, Ken

Util. Math. 38, 97-103 (1990).

Research Article

Approximation by monotone functions in Lp[0,∞)

Huotari, Robert; Sahab, Salem

Util. Math. 38, 105-110 (1990).

Research Article

A simple result on curvatures of propagating curves and surfaces

Thomas, R. S. D.

Util. Math. 38, 111-117 (1990).

Research Article

Existence of positive solutions for certain difference equations

Ladas, G.; Philos, Ch. G.; Sficas, Y. G.

Util. Math. 38, 119-128 (1990).

Research Article

Subcubes of hypercubes: Graphic aspects of Boolean algebra

Foldes, Stephan

Util. Math. 38, 129-133 (1990).

Research Article

Isomorphism classes of elliptic curves over finite fields of characteristic 2

Menezes, Alfred; Vanstone, Scott

Util. Math. 38, 135-153 (1990).

Research Article

Further constructions of balanced bipartite block designs

Sinha, Kishore; Kageyama, Sanpei

Util. Math. 38, 155-160 (1990).

Research Article

Group testing with at most two defectives when every item is included in exactly two group tests

Vakil, Farok; Parnes, Milton; Raghavarao, Damaraju

Util. Math. 38, 161-164 (1990).

Research Article

A graph theoretical recurrence formula for computing the characteristic polynomial of matrix

Ye, Xiuming

Util. Math. 38, 165-174 (1990).

Research Article

Extension of a result of Erdős concerning the divisor function

Fabrykowski, J.; Subbarao, M. V.

Util. Math. 38, 175-181 (1990).

Research Article

(N,p,q) summability of the Laguerre expansion

Singh, A. N.; Khare, S. P.

Util. Math. 38, 183-186 (1990).

Research Article

A lower bound for r(K5−e,K5)

Exoo, Geoffrey

Util. Math. 38, 187-188 (1990).

Research Article

A Popoviciu-type inequality for weighted geometric and harmonic means

Alzer, Horst

Util. Math. 38, 189-192 (1990).

Research Article

Duality for fractional programming without a constraint qualification

Weir, T.; Mond, B.

Util. Math. 38, 193-197 (1990).

Research Article

Some properties of finite bases for the Rosa set

Mullin, R. C.; Gardner, B.; Metsch, Klaus; van Rees, G. H. J.

Util. Math. 38, 199-215 (1990).

Research Article

Modified two-step methods for second order Fredholm integro-differential equations

Garey, L. E.

Util. Math. 38, 217-223 (1990).

Research Article

Solving n=au2+buv+cv2 using the Euclidean algorithm

Hardy, Kenneth; Muskat, Joseph B.; Williams, Kenneth S.

Util. Math. 38, 225-236 (1990).

Research Article

Existence of α-resolvable nested incomplete block designs

Banerjee, Shakti; Kageyama, Sanpei

Util. Math. 38, 237-243 (1990).

Research Article

Material symmetries for thin elastic bodies (rods and shells)

Campanella, Antonietta; Tonon, Maria Luisa

Util. Math. 38, 245-262 (1990).

Research Article

A method for constructing universally optimal block designs with nested rows and columns

Chang, Jane Y.; Notz, William I.

Util. Math. 38, 263-276 (1990).

Research Article

Pairings of 2n points on a circle

Goldbach, R. W.; Tijdeman, R.

Util. Math. 38, 277-284 (1990).

Research Article

Remark on a theorem of Rao on forcibly line-graphic degree sequences

Naniwadekar, V. D.; Bhave, N. S.

Util. Math. 38, 285 (1990).

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Special issue: Dynamical systems and differential equations in applied sciences
Guest editors: Renhai Wang, Mirelson Martins Freitas, Nguyen Huy Tuan
Submission deadline: 03 January 2026

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