Incenters and Excenters: 10693. - Wu Wei Chao; Michael Reid; F. Bellot Rosado; Robin J. Chapman; Daniele Donini; Shalosh B. Ekhad; N. Lakshmanan; O. P. Lossers; Albert Nijenhuis; Peter Nüesch; C. G. Petalas (Am. Math. Mon., 2000)

Quadrilaterals in an Isosceles Triangle: 10653. - Marcin Mazur; Roy Barbara; Jean Anglesio; Robin J. Chapman; N. Lakshmanan; John Melville; G. Peng; C. R. Pranesachar (Am. Math. Mon., 2000)

Tangent Lines and Collinear Points: 10673. - Marcin Mazur; Kit Hanes; Jean Anglesio; M. Benedicty; Shalosh B. Ekhad; N. Lakshmanan; Albert Nijenhuis; John H. Smith (Am. Math. Mon., 2000)

Digital Image Forgery Detection using Artificial Neural Network and Auto Regressive Coefficients. - E. S. Gopi Subbu; N. Lakshmanan; T. Gokul; S. KumaraGanesh; Prerak R. Shah (CCECE, 2006)