Hasil untuk "math.CO"

Petar Melentijević

Huseyin Budak, Hasan Kara, Muhammad Aamir Ali et al.

Abstract In this work, we introduce the notions about the Riemann-Liouville fractional integrals for interval-valued functions on co-ordinates. We also establish Hermite-Hadamard and some related inequalities for co-ordinated convex interval-valued functions by applying the newly defined fractional integrals. The results of the present paper are the extension of several previously published results.

Mohammad Belal, Marco Petrovich, Natalie Wheeler et al.

Ilya Kapovich, Daniel T. Wise

Fernando Muro

Crossed and quadratic modules are algebraic models of the 2-type and the 3-type of a space, respectively. In this paper we compute a purely algebraic suspension functor from crossed to quadratic modules which sends a 2-type to the 3-type of its suspension. We also give some applications in homotopy theory and group theory.

C. S. Jackson

P. J. Ponzo

Eric Barton

R.L. Goodstein

R. L. G.

T. A. A. B.

M. Bridger

J. W. S. Cassels

I. N. Sneddon

R. L. Goodstein

Mehmet Eyüp Kiriş, Miguel Vivas-Cortez, Gözde Bayrak et al.

<abstract><p>In this study, some new Hermite-Hadamard type inequalities for co-ordinated convex functions were obtained with the help of conformable fractional integrals. We have presented some remarks to give the relation between our results and earlier obtained results. Moreover, an identity for partial differentiable functions has been established. By using this equality and concept of co-ordinated convexity, we have proven a trapezoid type inequality for conformable fractional integrals.</p></abstract>

Edoardo Ballico, Sukmoon Huh

We study various aspects on nontrivial logarithmic co-Higgs structure associated to unstable bundles on algebraic curves. We check several criteria for (non-)existence of nontrivial logarithmic co-Higgs structures and describe their parameter spaces. We also investigate the Segre invariants of these structures and see their non-simplicity. In the end, we also study the higher dimensional case, specially when the tangent bundle is not semistable.

Ahmed Bouziad

In an earlier paper we have established that the cartesian product of a family of co-Namioka compact spaces is co-Namioka if and only if all finite cartesian products of this family are co-Namioka. The purpose of this note is to show that the product of two co-Namioka compact spaces is always co-Namioka. The class of co-Namioka compact spaces is consequently stable under arbitrary products.

Kirsti Oja