1. Gröbner-Shirshov basis for degenerate Ringel-Hall algebra of type \(D_4\)

   • Rabigul Tuniyaz
   • Abdukadir Obul

   OriginalPaper 11 September 2017 Pages: 397 - 407

2. On equivariant formal deformation theory

   • Stefan Schröer
   • Yukihide Takayama

   OriginalPaper 25 September 2017 Pages: 409 - 419

3. Maximal d-subgroups and ultrafilters

   • Papiya Bhattacharjee
   • Warren Wm. McGovern

   OriginalPaper 07 November 2017 Pages: 421 - 440

4. On complete Hall \({\mathfrak {F}}\)-sets of subgroups of finite groups and \({\fancyscript{Z}}\)-permutability

   • T. M. Al-Gafri
   • S. K. Nauman

   OriginalPaper 17 November 2017 Pages: 441 - 452

5. On Abadie constraint qualification for multiobjective optimization problems

   • Mansoureh Alavi Hejazi
   • Soghra Nobakhtian

   OriginalPaper 07 December 2017 Pages: 453 - 464

6. Congruences for \(\ell \)-regular cubic partition pairs

   • M. S. Mahadeva Naika
   • S. Shivaprasada Nayaka

   OriginalPaper 14 December 2017 Pages: 465 - 476

7. Corrigendum and Addendum to “Advertibly complete locally m-convex two-sided algebras”

   • A. El Kinani
   • R. Choukri
   • A. Najmi

   OriginalPaper 18 December 2017 Pages: 477 - 480

8. Curves with low Harbourne constants on Kummer and abelian surfaces

   • Xavier Roulleau

   OriginalPaper 28 December 2017 Pages: 481 - 491

9. On Lie ideals with generalized \((\alpha , \alpha )\)-derivations in prime rings

   • S. K. Tiwari
   • R. K. Sharma

   OriginalPaper 11 January 2018 Pages: 493 - 499

10. On Morrey-type classes of harmonic functions

    • Yusuf Zeren
    • Rubaba H. Abdullayeva
    • Seyma Cetin

    OriginalPaper 23 January 2018 Pages: 501 - 516

11. Mild solution for an impulsive non-autonomous neutral differential equation with a deviated argument

    • Alka Chadha
    • D. Bahuguna

    OriginalPaper 27 January 2018 Pages: 517 - 532

12. A new optimal estimate for the first stability eigenvalue of closed hypersurfaces in Riemannian space forms

    • Eudes L. de Lima
    • Henrique F. de Lima

    OriginalPaper 10 February 2018 Pages: 533 - 537

13. Non-Berwaldian Randers metrics of Douglas type on four-dimensional hypercomplex Lie groups

    • M. Hosseini
    • H. R. Salimi Moghaddam

    OriginalPaper 20 February 2018 Pages: 539 - 545

14. Existence and uniqueness of limit cycles in planar system of Liénard type

    • Tohid Kasbi
    • Vahid Roomi

    OriginalPaper 21 February 2018 Pages: 547 - 556

    

15. The Schouten–Van Kampen connection on the (1, 1)-tensor bundle

    • Murat Altunbas
    • Aydın Gezer

    OriginalPaper 05 March 2018 Pages: 557 - 567

16. Quadratic three-dimensional differential systems having invariant planes with total multiplicity nine

    • Jaume Llibre
    • Marcelo Messias
    • Alisson C. Reinol

    OriginalPaper 08 March 2018 Pages: 569 - 580

17. Polynomial of a meromorphic function and its k-th derivative sharing a set

    • Abhijit Banerjee
    • Molla Basir Ahamed

    OriginalPaper 09 March 2018 Pages: 581 - 598

18. A note on the tangent cones of the scheme of secant loci

    • Ali Bajravani

    OriginalPaper 12 March 2018 Pages: 599 - 608