Items where Author is "Shepherd, Simon"

Popova, Elena, Zharkova, Valentina, Shepherd, Simon and Zharkov, Sergei (2018) On a role of quadruple component of magnetic field in defining solar activity in grand cycles. Journal of Atmospheric and Solar-Terrestrial Physics, 176. pp. 61-68. ISSN 1364-6826

Zharkova, Valentina, Popova, Elena, Shepherd, Simon and Zharkov, Sergei (2018) Reply to comment on the paper “ on a role of quadruple component of magnetic field in defining solar activity in grand cycles” by Usoskin (2017). Journal of Atmospheric and Solar-Terrestrial Physics, 176. pp. 72-82. ISSN 1364-6826

Zharkova, Valentina, Shepherd, Simon, Popova, Elena and Zharkov, Sergei (2015) Heartbeat of the sun from principal component analysis and prediction of solar activity on a millenium timescale. Scientific Reports, 5. p. 15689. ISSN 2045-2322

Shepherd, Simon, Zharkov, Sergei and Zharkova, Valentina (2014) Prediction of Solar Activity from Solar Background Magnetic Field Variations in Cycles 21-23. The Astrophysical Journal, 795 (1). pp. 46-54. ISSN 1538-4357

Abdelmajid, Nabih, Hossain, Alamgir, Shepherd, Simon and Mahmoud, Khaled (2010) Location based Kerberos Authentication Protocol. In: SocialCom 2010 : proceedings, the second IEEE International Conference on Social Computing : PASSAT 2010, the second IEEE International Conference on Privacy, Security, Risk, and Trust. IEEE, Piscataway, NJ, pp. 1099-1104. ISBN 978-1424484393

Abdelmajid, Nabih, Hossain, Alamgir, Shepherd, Simon and Mahmoud, Khaled (2010) Improved Kerberos security protocol evaluation using modified BAN logic. In: Proceedings of the 10th IEEE International Conference on Computer and Information Technology : CIT 2010. IEEE Xplore, Piscataway, NJ, pp. 1610-1615. ISBN 978-1424475476

Abdelmajid, Nabih, Hossain, Alamgir, Shepherd, Simon and Khaled, Mahmoud (2008) "Where are you" based authentication: An improved security protocol using BAN logic. In: 7th European Conference on Information Warfare and Security, 30 June- 1 July 2008, Plymouth, UK.