π from Recursive Formulas for Polygonal Perimeters - Articles

A Geometric Formulation and a Series Approach for Estimating π with Remarks on a Sumerian Tablet (Articles)

Serdar Beji

Advances in Pure Mathematics Vol.12 No.11, November 2, 2022

DOI: 10.4236/apm.2022.1211045 283 Downloads 1,119 Views Citations
The Equilibrium Distribution of Counting Random Variables (Articles)

Shuanming Li

Open Journal of Discrete Mathematics Vol.1 No.3, October 17, 2011

DOI: 10.4236/ojdm.2011.13016 4,920 Downloads 10,382 Views Citations
Quantum Mechanical Study on the π-π Stacking Interaction and Change in Conformation of Phenolic Systems with Different Intermolecular Rotations (Articles)

Ibrahim Ali, Shruti Sharma, Bipul Bezbaruah

Computational Chemistry Vol.6 No.4, October 20, 2018

DOI: 10.4236/cc.2018.64006 1,705 Downloads 4,281 Views Citations
Quasicrystals (Articles)

Feridoun Samavat, Mohammad Hossein Tavakoli, Safdar Habibi, Babak Jaleh, Parisa Taravati Ahmad

Open Journal of Physical Chemistry Vol.2 No.1, February 27, 2012

DOI: 10.4236/ojpc.2012.21002 8,374 Downloads 13,914 Views Citations
Sums of Squares of Polygonal Numbers (Articles)

A. Gnanam, B. Anitha

Advances in Pure Mathematics Vol.6 No.4, March 29, 2016

DOI: 10.4236/apm.2016.64019 3,078 Downloads 5,124 Views Citations
This article belongs to the Special Issue on Number Theory Research
Band Gap Opening of Graphene by Noncovalent π-π Interaction with Porphyrins (Articles)

Arramel , Andres Castellanos-Gomez, Bart Jan van Wees

Graphene Vol.2 No.3, July 17, 2013

DOI: 10.4236/graphene.2013.23015 13,238 Downloads 38,752 Views Citations
Synthesis, Crystal Structure and Infrared Characterization of Bis(4-dimethylamino-pyridinium) Tetrachlorocuprate (Articles)

Mahjouba Ben Nasr, Frédéric Lefebvre, Chérif Ben Nasr

American Journal of Analytical Chemistry Vol.6 No.5, April 13, 2015

DOI: 10.4236/ajac.2015.65044 5,085 Downloads 7,259 Views Citations
On Semi π-Regular Local Ring (Articles)

Zubayda M. Ibraheem, Raghad A. Mustafa, Maha F. Khalf

Open Access Library Journal Vol.5 No.10, October 12, 2018

DOI: 10.4236/oalib.1104788 575 Downloads 1,310 Views Citations
Construction of Three Quadrature Formulas of Eighth Order and Their Application for Approximating Series (Articles)

Bogusław Bożek, Wiesław Solak, Zbigniew Szydełko

Applied Mathematics Vol.6 No.6, June 9, 2015

DOI: 10.4236/am.2015.66095 3,454 Downloads 4,682 Views Citations
Perimeters of Protection Demarcation for New Boreholes of Bonoua Aquifer (Southeastern, Côte d’Ivoire) through Hydrogeological Modeling (Articles)

Kouamé Kan Jean, Aké Gabriel Etienne, Koblan Armel Kouadio, Djé Kouakou Bernard, Jourda Jean Patrice

Journal of Geoscience and Environment Protection Vol.5 No.11, November 16, 2017

DOI: 10.4236/gep.2017.511009 1,029 Downloads 2,637 Views Citations
Delimitation of the Perimeters of Protection of Groundwater Catchments of the Berrechid Aquifer (Morocco) through Hydrogeological Modeling (Articles)

Karima El Bouqdaoui, Mostafa Aachib

Journal of Geoscience and Environment Protection Vol.6 No.7, July 27, 2018

DOI: 10.4236/gep.2018.67008 1,492 Downloads 3,590 Views Citations
This article belongs to the Special Issue on Environmental Quality
Environmental Assessment by Vulnerability Analysis of Water Intended for Human Consumption in Urban Environments: A Case Study of the N’djili River, Kinshasa (Articles)

Innocent Mufungizi, Ruben Loola, Jonathan Musitu Muliwavyo, Abel Ntombi Mutsindu, Mathieu Matondo Mbungu, Albert Mbata Muliwavyo, Junior Lutete Savu, Paul Katende Kanyinda, Jimy Musitu Berka, Ridi Diakondua, Roda Bongeli

Open Access Library Journal Vol.11 No.11, November 8, 2024

DOI: 10.4236/oalib.1112294 86 Downloads 689 Views Citations
On the Detection of Visual Features from Digital Curves Using a Metaheuristic Approach (Articles)

Cecilia Di Ruberto

Applied Mathematics Vol.3 No.11A, November 27, 2012

DOI: 10.4236/am.2012.331241 5,306 Downloads 8,069 Views Citations
This article belongs to the Special Issue on Computing
Effect of Axial Clearance on the Flow Structure around a Rotating Disk Enclosed in a Cylindrical Casing (Articles)

Takashi Watanabe, Hiroyuki Furukawa, Shohei Fujisawa, Soma Endo

Journal of Flow Control, Measurement & Visualization Vol.4 No.1, December 10, 2015

DOI: 10.4236/jfcmv.2016.41001 3,887 Downloads 5,555 Views Citations
Log-Concavity of Centered Polygonal Figurate Number Sequences (Articles)

Fekadu Tolessa Gedefa

Open Access Library Journal Vol.3 No.6, June 27, 2016

DOI: 10.4236/oalib.1102774 896 Downloads 1,900 Views Citations
InSAR Observation for the Surface Displacements at Mt. Etna between 2003 and 2007 (Articles)

Syeda Sabikun Nahar, Arif Mahmud

International Journal of Geosciences Vol.6 No.2, February 11, 2015

DOI: 10.4236/ijg.2015.62010 3,484 Downloads 5,343 Views Citations
Decomposition of the Sum of Cubes, the Sum Raised to the Power of Four and Codeviance (Articles)

Fabio Manca, Claudia Marin

Applied Mathematics Vol.11 No.10, October 26, 2020

DOI: 10.4236/am.2020.1110067 509 Downloads 1,442 Views Citations
Effect of Asymmetric Finite Difference Formulas on the Orders of Central Difference Approximations for the Second Derivative of a Periodic Function (Articles)

Hippolyte Nyengeri, Jimmy Jackson Sinzingayo, Bonaventure Dusabe, Eugène Ndenzako

Open Access Library Journal Vol.10 No.11, November 30, 2023

DOI: 10.4236/oalib.1110875 113 Downloads 990 Views Citations
Theoretical Investigations on the π-π Stacking Interactions in Phenol-Water Complexes (Articles)

Shruti Sharma, Mrinal J Bezbaruah, Ibrahim Ali, Mahasweta Choudhury, Bipul Bezbaruah

Computational Chemistry Vol.6 No.2, April 30, 2018

DOI: 10.4236/cc.2018.62002 1,409 Downloads 4,447 Views Citations
Global Behavior of a Nonlinear Difference Equation with Applications (Articles)

Decun Zhang, Jie Huang, Liying Wang, Wenqiang Ji

Open Journal of Discrete Mathematics Vol.2 No.2, April 27, 2012

DOI: 10.4236/ojdm.2012.22014 4,565 Downloads 9,270 Views Citations

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