**Research & Reviews: Discrete Mathematical Structures (RRDMS) **is a journal focused towards the rapid publication of fundamental research papers on all areas of Discrete Mathematical Structures. It's a triannual journal, started in 2014.

**eISSN- 2394-1979**

**Indexed In: DRJI, Google Scholar**

**Focus & Scope:**

- Mathematical induction
- logic and Boolean algebra
- set theory
- relations and functions
- sequences and series
- algorithms and theory of computation
- number theory
- matrix theory
- induction and recursion
- counting and discrete probability
- graph theory (trees)
- Calculus of finite differences, discrete calculus or discrete analysis
- Game theory, decision theory, utility theory, social choice theory
- Discrete analogs of continuous mathematics
- Hybrid discrete and continuous mathematics

All contributions to the journal are rigorously refereed and are selected on the basis of quality and originality of the work. The journal publishes the most significant new research papers or any other original contribution in the form of reviews and reports on new concepts in all areas pertaining to its scope and research being done in the world, thus ensuring its scientific priority and significance.

**Publisher:** STM Journals, an imprint of CELNET (Consortium e-Learning Network Pvt. Ltd.)

**Address:** A-118, 1st Floor, Sector-63, Noida, Uttar Pradesh-201301, India

**Phone no.:** 0120-4781-221/ Email: sugandha.mishra@celnet.in

### Vol 6, No 3 (2019)

Open Access
Subscription Access

### Table of Contents

#### Research Articles

Coxeter Dihedral Symmetric Tetrahedrons with Triangle Groups: Euclidean, Spherical and Hyperbolic | |

Pranab Kalita | 1-12 |

Generalized Yang-Fourier Transforms by using K-Function to Heat Conduction in a Semi-infinite Fractal Bar | |

Manoj Sharma, Kiran Sharma | 13-18 |

k-Fibonacci Polynomials in The Family of Fibonacci Numbers | |

Engin Özkan, Merve Taştan | 19-22 |

Subtract Divisor Cordial Labeling of Ring Sum of a Graphs | |

A H Rokad | 23-28 |

Dirichlet Average of Hyper-geometric Kiran Function and Fractional Derivative | |

Manoj Sharma, Kiran Sharma | 29-31 |

ISSN: 2394-1979