[11] Sahan G., Ozdemir D. Uniform Asymptotic Stability by Indefinite Lyapunov Functions. 2022 13th Asian Control Conference (ASCC), Jeju, Korea.
10.23919/ASCC56756.2022.9828046
[10] Sahan G., Ozdemir D., Akbalik L. "Stability Analysis with an Improved Indefinite Lyapunov function" - "Geliştirilmis bir Belirsiz Lyapunov Fonksiyonu ile Kararlilik Analizi". Otomatik Kontrol Turk Milli Komitesi,Otomatik Kontrol Ulusal Toplantisi TOK'21, 04-06 / 09 / 2021, Van Turkey.
[9] Sahan G.. "Relaxations on Conditions of Lyapunov Functions". ICRAPAM 2020, Bodrum, Turkey.
https://2020.icrapam.org/files/webdoc/abstract.pdf
[8] Sahan G. "Existence and Uniqueness of Solution for not Necessarily Continuous Conewise Linear Systems", 21st IFAC World Congress, Berlin-Germany, July 2020.
https://doi.org/10.1016/j.ifacol.2020.12.860
[7] Sahan G., Eldem V. "Well Posedness for Planar Conewise Linear Systems". Otomatik Kontrol Turk Milli Komitesi,Otomatik Kontrol Ulusal Toplantisi TOK'17 ; , 09 2017, Yıldız Teknik Universitesi, Istanbul. (Choosen also for the "Special Issue TOK17, Transactions of the Institute of the Measurement and Control Journal" )
[6] Eldem V., Sahan G., Oner I. "Mechanism of Autonomous Switching and Challanges in the Stability of Bimodal Systems". Open Problems in Nonsmooth Dynamics, Feb. 1-5 2016, Centre de Recerca Mathematica, Universitat Autonoma de Barcelona, Spain.
[5] Sahan G., Eldem V. "Well Posedness for Bimodal Systems in R3"-"R3teki 2 modlu sistemler icin iyi tanimlilik kosullari". 2. Karmasik Dinamik Sistemler ve Uygulamalari Calistayi KDS'2013 ; 24-26 Ekim 2013, Isik Universitesi, Istanbul.
[4] Sahan G., Eldem V. "2 Modlu sistemlerde Yapi ve Kararlilik Analizi". 1. Karmasik Dinamik Sistemler ve Uygulamalari Calistayi KDS'2012 ; 12-13 Ekim 2012, TOBB ETU, Ankara.
[3] Sahan G., Eldem V. "R3te iki modlu sistemlerin kararliligi - sureksiz durum".Otomatik Kontrol Turk Milli Komitesi,Otomatik Kontrol Ulusal Toplantisi TOK'10 ; 21-23 Eylul 2010 , Gebze Yuksek Teknoloji Enstitusu, Gebze , Kocaeli.
[2] Sahan G., Eldem V. 48th IEEE Conference on Decision and Control , Shanghai, P.R. China
December 16-18, 2009, On the Stability of Bimodal Systems in R3, continuous vector field.
https://ieeexplore.ieee.org/document/5400582
[1] Sahan G., Sapancı M. "Asal Halkalarda turevlerin nilpotentlik derecesi". XI. Ulusal Matematik Sempozyumu, Isparta 08.1998.