1. Triangular A-Statistical Approximation by Double Sequences of Positive Linear Operators

   • C. Bardaro
   • A. Boccuto
   • S. Orhan

   OriginalPaper 14 January 2015 Pages: 271 - 291

2. On Some Graphs Associated to Commutative Semirings

   • Elham Mehdi-Nezhad
   • Amir M. Rahimi

   OriginalPaper 09 January 2015 Pages: 293 - 312

3. On the Structure of Submanifolds in Euclidean Space with Flat Normal Bundle

   • Hezi Lin

   OriginalPaper 15 January 2015 Pages: 313 - 329

4. Inclusions Characterizing Polynomial-Type Multifunctions

   • Jolanta Olko

   OriginalPaper Open access 13 January 2015 Pages: 331 - 343

5. Codes Over a Subset of Octonion Integers

   • Cristina Flaut

   OriginalPaper 10 February 2015 Pages: 345 - 359

6. New Characterizations of g-Bessel Sequences and g-Riesz Bases in Hilbert Spaces

   • Xunxiang Guo

   OriginalPaper 08 February 2015 Pages: 361 - 374

7. P-means and the Solution of a Functional Equation Involving Cauchy Differences

   • Lucio R. Berrone

   OriginalPaper 10 March 2015 Pages: 375 - 393

8. Extending Automorphisms and Derivations onto Ore-Extensions

   • Christian Karpfinger
   • Henning Koehler
   • Heinz Wähling

   OriginalPaper 04 March 2015 Pages: 395 - 413

9. A Geometric Environment for Building up Loops

   • Stefano Pasotti
   • Silvia Pianta
   • Elena Zizioli

   OriginalPaper 11 March 2015 Pages: 415 - 426

10. Multiple Completeness of the Root Functions for a Certain Class of Pencils of Ordinary Differential Operators with Constant Coefficients

    • Victor S. Rykhlov

    OriginalPaper 10 March 2015 Pages: 427 - 440

11. Meromorphic Functions Sharing Three Values with Their Linear Differential Polynomials in Some Angular Domains

    • Xiao-Min Li
    • Cui Liu
    • Hong-Xun Yi

    OriginalPaper 21 March 2015 Pages: 441 - 453

12. Hyper-ideal Circle Patterns with Cone Singularities

    • Nikolay Dimitrov

    OriginalPaper 24 March 2015 Pages: 455 - 499

13. Spectral Properties of Fourth Order Differential Operators with Periodic and Antiperiodic Boundary Conditions

    • Hikmet Gunes
    • Nazim B. Kerimov
    • Ufuk Kaya

    OriginalPaper 28 March 2015 Pages: 501 - 518

14. Barker–Larman Problem for Convex Polygons in the Hyperbolic Plane

    • Vasyl Gorkavyy
    • Dmytro Kalinin

    OriginalPaper 10 May 2015 Pages: 519 - 525