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CONTENTS

Noiri, T., Popa, V.: A unified theory of contra I  -continuous functions in ideal topological spaces 3– 17
Devi, R., Vigneshwaran, M., Kokilavani, V.: On *gα  -compact and *gα  -connected spaces 19– 26
Finta, B.: The integral form of a Schur type inequality for six variables 27– 40
Ghosh, S., Sarkar, A.: Semi-invariant Submanifolds of contact metric Generalized                (κ,μ)  -space-forms 41– 52
Barani, M., Rajalakshmi, K., Venkatachalam, M., Dafik, D.:Packing coloring of some product of complete graphs 53– 65
Backhausz, Á., Bognár, E.: Epidemic spread on random graphs with multiple type nodes 67– 99
Bayleyegn, T., Havasi, Á.: Multiple Richardson extrapolation and its combination with the implicit Euler method101–121
Mosleh, R.: Positivity preserving explicit discrete model for malaria propagation 123–133
Boda, L.: Investigation of different operator splitting methods 135–155