Edit Congress and Symposium Activities

2021 X International Meeting on Lorentzian Geometry, GeLoCor 2021, 15 February 2021
Attendee
Cordoba, Spain

2019 Commemoration Event and Workshop Dedicated to the Memory of Prof. Rahmi Güven, 67 December 2019
Audience
İstanbul, Turkey

2019 "International Workshop on Geometry of Submanifolds, 2019", 79 November 2019
Session Moderator
İstanbul, Turkey

2019 Bosphorus Real Geometry Conference, 12 October 2019
Audience
İstanbul, Turkey

2019 Mathematical Physics Days, 1819 May 2019 (I attended it on 18 May 2019.)
Audience
İstanbul, Turkey

2019 Talk titled "On Bochner, conformal and conharmonic flatness of some geometric structures", Katholieke Universiteit Leuven, Mathematics Department, Geometry Seminars, 8 February 2019
Invited Speaker
Leuven, Belgium

2018 Talk titled "On slant geometry", Gebze Technical University, Mathematics Department General Seminars, 9 November 2018
Invited Speaker
Kocaeli, Turkey

2018 Differential Geometry in Honor of Udo Simon’s 80th Birthday, 89 September 2018
Attendee
Poznan, Poland

2018 Talk titled "About Slant Geometry", Institute of Mathematics of Technische Universität Berlin (TUB), 15 August 2018
Invited Speaker
Berlin, Germany

2018 Talk titled "About Slant Geometry", Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, 26 July 2018
Invited Speaker
Wroclaw, Poland

2018 Talk titled "On Chen's Invariants and their applications", Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, 25 July 2018
Invited Speaker
Wroclaw, Poland

2018 Talk titled "On conformally flat almost contact metric manifolds", Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, 24 July 2018
Invited Speaker
Wroclaw, Poland

2018 IX International Meeting on Lorentzian Geometry, 1724 June 2018
Attendee
Warszawa, Poland

2018 XX Geometrical Seminar, 2023 May 2018
Attendee
Vrnjacka Banja, Serbia And Montenegro

2018 16th Worksop on Quantization, Dualities and Integrable Systems, Mimar Sinan Fine Arts University, 2123 April 2018
Audience
İstanbul, Turkey

2018 Talk titled "On Slant Geometry", Middle East Technical University, Physics Department, 21 March 2018
Invited Speaker
Ankara, Turkey

2018 Women and Mathematics: Differential Geometry, 10 March 2018
Invited Speaker
İstanbul, Turkey

2018 Talk titled "Bochner, Conformal and Conharmonic Flatness of Complex $(kappa,mu)$Spaces", Atılım University, Mathematics Department Seminars, 21 February 2018
Invited Speaker
Ankara, Turkey

2018 Talk titled "On Legendrian Dual Surfaces in Hyperbolic 3Space", Murcia University, Mathematics Department Seminars, 8 January 2018
Invited Speaker
Murcia, Spain

2017 Talk titled "Legendrian Dual Surfaces in Hyperbolic 3Space", Istanbul Technical University, Mathematics Department Seminars, 29 December 2017
Invited Speaker
İstanbul, Turkey

2017 "3Boyutlu Hiperbolik Uzaydaki Legendrian Düz Dual Yüzeyler Hakkında" başlıklı konuşma, Mimar Sinan Güzel Sanatlar Üniversitesi, Fizik Bölümü Seminerleri, 30 Kasım 2017
Invited Speaker
İstanbul, Turkey

2017 Talk titled "On Legendrian Flat Dual Surfaces in Hyperbolic 3Space", Hacettepe University, Mathematics Department Seminars, 22 November 2017
Invited Speaker
Ankara, Turkey

2017 International Conference on Applied and Pure Mathematics, 25 November 2017
Attendee
Iasi, Romania

2017 Geometric and Algebraic Singularity, 1016 September 2017
Attendee
Poznan, Poland

2017 Pure and Applied Differential Geometry  PADGE 2017, 2125 August 2017
Attendee
Leuven, Belgium

2017 15th International Geometry Symposium, 36 July 2017
Attendee
Amasya, Turkey

2017 Differential Geometry, 1923 June 2017
Attendee
Poznan, Poland

2017 Talk titled "Slant Geometry on Spacelike Submanifolds of Codimension Two", Middle East Technical University, Mathematics Department Seminars, 18 May 2017
Invited Speaker
Ankara, Turkey

2017 "Fraktal Geometri Üzerine" başlıklı konuşma, İstanbul Üniversitesi, Matematik Kulübü Seminerleri, 12 Mayıs 2017
Invited Speaker
İstanbul, Turkey

2017 Talk titled "On Slant Geometry", Mimar Sinan Fine Arts University, Mathematics Department Seminars, 11 May 2017
Invited Speaker
İstanbul, Turkey

2017 Talk titled "On Slant Geometry", Sabancı University, Matematics Department Seminars, 27 April 2017
Invited Speaker
İstanbul, Turkey

2017 Talk titled "On Extended Legendrian Dualities and Their Applications", Boğaziçi University, Mathematics Department Seminars, 29 March 2017
Invited Speaker
İstanbul, Turkey

2016 Talk titled "Spacelike Slant Geometry on Spacelike Submaifolds of Codimension Two", University of Nis, Mathematics Department Seminars, 5 September 2016
Invited Speaker
Nish, Serbia And Montenegro

2016 XIX Geometrical Seminar, 28 August4 September 2016
Session Moderator
Zlatibor, Serbia And Montenegro

2016 Talk titled "On Slant Geometry", Yau's Students' Seminar, Harvard University, Science Center, http://www.math.harvard.edu/~ywfan/seminar/, 1 April 2016
Invited Speaker
Massachusetts, United States Of America

2016 The Twenty First Midwest Geometry Conference, Wichita, Kansas, USA, 1113 March 2016
Attendee
Kansas, United States Of America

2015 Talk titled "On Slant Geometry", Michigan State University, Mathematics Department Seminars, 23 October 2015
Invited Speaker
Michigan, United States Of America

2015 Talk titled "On Slant Geometry", City University of New York (CUNY), Differential Geometry Seminars, 22 October 2015
Invited Speaker
NewYork, United States Of America

2015 Recent Advances in Kähler Geometry in Conjunction with the 30th Annual Shanks Lecture, 1822 May 2015
Audience
Tennessee, United States Of America

2015 A note on conformally flat almost contact metric manifolds, Spring Western Sectional Meeting (#1110) of the American Mathematical Society, 1819 April 2015
Attendee
Nevada, United States Of America

2015 Talk titled "On Slant Geometry", Wichita State University, Mathematics Department Seminars, 10 April 2015
Invited Speaker
Kansas, United States Of America

2015 Talk titled "On Slant Geometry", University of MichiganDearborn, Mathematics Department Seminars, 18 March 2015
Invited Speaker
Michigan, United States Of America

2015 On conformally flat almost $C(alpha)$manifolds, Central Spring Sectional Meeting (#1108) of the American Mathematical Society, 1415 March 2015
Attendee
Michigan, United States Of America

2015 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Columbia University, Geometry & Analysis Seminars, 12 March 2015
Invited Speaker
NewYork, United States Of America

2015 Talk titled "Spacelike Slant Geometry on Spacelike Submanifolds of Codimension Two", University of Oklahoma, Geometric Analysis Seminars, 20 January 2015
Invited Speaker
Oklahoma, United States Of America

2015 $phi$De Sitter duals of spacelike hypersurfaces in the lightcone as wave front sets, The 20th Midwest Geometry Conference, 1718 January 2015
Invited Speaker
Oklahoma, United States Of America

2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Rochester University, Mathematics Department Seminars, 11 November 2014
Invited Speaker
NewYork, United States Of America

2014 $phi$hyperbolic duals of spacelike hypersurfaces in the lightcone as wave front sets, Fall Western Sectional Meeting (#1104) of the American Mathematical Society, 2526 October 2014
Attendee
California, United States Of America

2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Galatasaray University, Mathematics Department Seminars, 8 October 2014
Invited Speaker
İstanbul, Turkey

2014 The First ChinaJapan Seminar on Singularity Theory and its Applications for Young Researchers, 6 September 2014
Session Moderator
Changchun, China

2014 Workshop on Singularities, Geometry, Topology and Related Topics, 13 September 2014
Attendee
Changchun, China

2014 Talk titled "Spacelike Slant Geometry on Spacelike Submanifolds of Codimension Two", Northeast Normal University, Graduate School of Science, Mathematics Department Seminars, 27 August 2014
Invited Speaker
Changchun, China

2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Northeast Normal University, Graduate School of Science, Mathematics Department Seminars, 20 August 2014
Invited Speaker
Changchun, China

2014 The 13th International Workshop on Real and Complex Singularities, 27 July1 August 2014
Attendee
SaoCarlos, Brazil

2014 XII. Geometry Symposium, 2326 June 2014
Attendee
Bilecik, Turkey

2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Seminars of Mathematical Institute of the Serbian Academy of Sciences and Arts, 29 May 2014
Invited Speaker
Belgrade, Serbia And Montenegro

2014 XVIII Geometrical Seminar, 2528 May 2014
Attendee
Vrnjacka Banja, Serbia And Montenegro

2014 13th Serbian Mathematical Congress, 2225 May 2014
Attendee
Vrnjacka Banja, Serbia And Montenegro

2014 Riemannian Geometry and Applications to Engineering and Economics, 1921 May 2014
Attendee
Bucuresti, Romania

2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Kobe University, Graduate School of Science, Mathematics Department Seminars, 17 February 2014
Invited Speaker
Kobe, Japan

2013 Talk titled "Extensions of Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Katholieke University, Mathematics Department Seminars, 27 September 2013
Invited Speaker
Leuven, Belgium

2013 Talk titled "Slant Geometry of Hypersurfaces in Hyperbolic Space", Valenciennes University, The Laboratory of Mathematics and their Applications of Valenciennes (LAMAV) Seminars, 11 September 2013
Invited Speaker
Valence, France

2013 Geometric Singularity Theory. PolishJapanese Singularity Theory Working Days, 2431 August 2013
Attendee
Warszawa, Poland

2013 Differential Geometry and Its Applications DGA2013, 1923 August 2013
Attendee
Brno, Czech Republic

2013 Talk titled "Slant Geometry of Spacelike Hypersurfaces in the Lightcone", Michigan State University, Mathematics Department Seminars and Colloquia, 8 August 2013
Invited Speaker
Michigan, United States Of America

2013 "LorentzMinkowski Uzayındaki SözdeKürelerdeki Uzaysal Hiperyüzeylerin Slant Geometrisi" başlıklı konuşma, İstanbul Üniversitesi Matematik Bölümü Semineri, 27 Mayıs 2013
Invited Speaker
İstanbul, Turkey

2013 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Michigan State University, Mathematics Department Seminars and Colloquia, 28 February 2013
Invited Speaker
Michigan, United States Of America

2012 XVII Geometrical Seminar, 38 September 2012
Attendee
Zlatibor, Serbia And Montenegro

2012 Conference on Pure and Applied Differential Geometry PADGE2012, 2730 August 2012
Attendee
Leuven, Belgium

2012 XVIII EBT: 18th Brazilian Topology Meeting, 29 July3 August 2012
Attendee
SaoPaulo, Brazil

2012 12th International Workshop on Real and Complex Singularities, 1621 July 2012
Attendee
SaoCarlos, Brazil

2012 Workshop on Geometry and Singularity Theory in South Hokkaido, 1920 May 2012
Attendee
Muroran, Japan

2012 Talk titled "OneParameter Families of Extrinsic Differential Geometries on Spacelike Hypersurfaces in the Lightcone", Hokkaido University, Science Faculty, Mathematics Department, Geometry Colloquium, 11 May 2012
Invited Speaker
Sapporo, Japan

2011 18o Encuentro de Topología, 2122 October 2011
Attendee
Sevilla, Spain

2011 Talk titled "Slant Geometry of Spacelike Hypersurfaces in the Lightcone", Valencia University, Mathematics Faculty, Geometry and Topology Department Seminars, 1 October 2011
Invited Speaker
Valencia, Spain

2011 VI International Meeting on Lorentzian Geometry, 69 September 2011
Attendee
Granada, Spain

2011 IX. Geometri Sempozyumu, 710 Haziran 2011
Attendee
Samsun, Turkey

2011 Workshop on Singularities in Geometry and Applications, 1521 Mayıs 2011
Attendee
Poznan, Poland

2010 "Bir Parametreli Hareketler Altında Holditch Teoremi ve Bazı Genelleştirilmeleri" başlıklı konuşma, İstanbul Üniversitesi Matematik Bölümü Semineri, 23 Aralık 2010
Invited Speaker
İstanbul, Turkey

2010 International Congress in Honour of Professor H. M. Srivastava on his 70th Birth Anniversary, 1821 August 2010
Attendee
Bursa, Turkey

2010 VIII. Geometri Sempozyumu, 29 Nisan2 Mayıs 2010
Attendee
Antalya, Turkey

2009 International Conference of Mathematical Sciences, 410 August 2009
Attendee
İstanbul, Turkey

2009 Talk titled "On the 1parameter closed motions in Lorentzian 3space", Hokkaido University, Science Faculty, Mathematics Department, Singularity Seminars, 1 May 2009
Invited Speaker
Sapporo, Japan

2008 XXI. Ulusal Matematik Sempozyumu, 14 Eylül 2008
Attendee
İstanbul, Turkey

2008 The 20th International Congress of Jangjeon Mathematical Society, 2123 August 2008
Attendee
Bursa, Turkey

2008 VI. Ulusal Geometri Sempozyumu, 14 Temmuz 2008
Attendee
Bursa, Turkey

2007 II. Turkish World Mathematics Symposium, 47 July 2008
Attendee
Sakarya, Turkey

2007 V. Ulusal Geometri Sempozyumu, 47 Temmuz 2007
Attendee
Sakarya, Turkey

2006 XIX. Ulusal Matematik Sempozyumu, 2225 Ağustos 2006
Attendee
Kütahya, Turkey
Scholarships

2014  2015 TÜBİTAK 2219Yurt Dışı Doktora Sonrası Araştırma Bursu (1 yıl)
TUBITAK

2006  2010 TÜBİTAK 2211Yurt İçi Doktora Bursu (4 yıl)
TUBITAK

2009  2009 TÜBİTAK 2214Yurt Dışı Araştırma Bursu (3 ay)
TUBITAK
Citations
Invited Talks

February 2019 Talk titled "On Bochner, conformal and conharmonic flatness of some geometric structures", Katholieke Universiteit Leuven, Mathematics Department, Geometry Seminars, 8 February 2019
Seminar
Katholieke Universiteit Leuven, Belgium

November 2018 Talk titled "On slant geometry", Gebze Technical University, Mathematics Department General Seminars, 9 November 2018
Seminar
Gebze Teknik Üniversitesi, Turkey

August 2018 Talk titled "About Slant Geometry", Institute of Mathematics of Technische Universität Berlin (TUB), 15 August 2018
Seminar
Technische Universitaet Berlin, Germany

July 2018 Talk titled "About Slant Geometry", Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, 26 July 2018
Seminar
Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, Poland

July 2018 Talk titled "On conformally flat almost contact metric manifolds", Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, 24 July 2018
Seminar
Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, Poland

July 2018 Talk titled "On Chen's Invariants and their applications", Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, 25 July 2018
Seminar
Wroclaw University of Science and Technology, Faculty of Pure and Applied Mathematics, Differential Geometry Seminars, Poland

March 2018 Talk titled "On Slant Geometry", Middle East Technical University, Physics Department, 21 March 2018
Seminar
Orta Doğu Teknik Üniversitesi, Turkey

March 2018 On Chen’s invariants and their applications, Women and Mathematics: Differential Geometry, 10 March 2018
Conference
Women and Mathematics: Differential Geometry, Istanbul Center for Mathematical Sciences, Turkey

February 2018 Talk titled "Bochner, Conformal and Conharmonic Flatness of Complex $(kappa,mu)$Spaces", Atılım University, Mathematics Department Seminars, 21 February 2018
Seminar
Atılım Üniversitesi, Turkey

January 2018 Talk titled "On Legendrian Dual Surfaces in Hyperbolic 3Space", Murcia University, Mathematics Department Seminars, 8 January 2018
Seminar
University of Murcia, Spain

December 2017 Talk titled "Legendrian Dual Surfaces in Hyperbolic 3Space", Istanbul Technical University, Mathematics Department Seminars, 29 December 2017
Seminar
İstanbul Teknik Üniversitesi, Turkey

November 2017 "3Boyutlu Hiperbolik Uzaydaki Legendrian Düz Dual Yüzeyler Hakkında" başlıklı konuşma, Mimar Sinan Güzel sanatlar Üniversitesi, Fizik Bölümü Seminerleri, 30 Kasım 2017
Seminar
Mimar Sinan Güzel Sanatlar Üniversitesi, Turkey

November 2017 Talk titled "On Legendrian Flat Dual Surfaces in Hyperbolic 3Space", Hacettepe University, Mathematics Department Seminars, 22 November 2017
Seminar
Hacettepe Üniversitesi, Turkey

May 2017 Talk titled "Slant Geometry on Spacelike Submanifolds of Codimension Two" , Middle East Technical University, Mathematics Department Seminars, 18 May 2017
Seminar
Orta Doğu Teknik Üniversitesi, Turkey

May 2017 Talk titled "On Slant Geometry", Mimar Sinan Fine Arts University, Mathematics Department Seminars, 11 May 2017
Seminar
Mimar Sinan Güzel Sanatlar Üniversitesi, Turkey

May 2017 "Fraktal Geometri Üzerine" başlıklı konuşma, İstanbul Üniversitesi, Matematik Kulübü Seminerleri, 12 Mayıs 2017
Seminar
İstanbul Üniversitesi, Turkey

April 2017 Talk titled "On Slant Geometry", Sabancı University, Mathematics Department Seminars, 27 April 2017
Seminar
Sabancı Üniversitesi, Turkey

March 2017 Talk titled "On Extended Legendrian Dualities and Their Applications", Boğaziçi University, Mathematics Department Seminars, 29 March 2017
Seminar
Boğaziçi Üniversitesi, Turkey

September 2016 Talk titled "Spacelike Slant Geometry on Spacelike Submanifolds of Codimension Two", University of Niš, Mathematics Department Seminars, 5 September 2016
Seminar
University of Niš, Mathematics Department Seminars, Serbia And Montenegro

April 2016 Talk titled "On Slant Geometry", Harvard University, Science Center, Yau's Students' Seminar, http://www.math.harvard.edu/~ywfan/seminar/, 1 April 2016
Seminar
Harvard University, United States Of America

October 2015 Talk titled "On Slant Geometry", Michigan State University, Mathematics Department Seminars, 23 October 2015
Seminar
Michigan State University, United States Of America

October 2015 Talk titled "On Slant Geometry", City University of New York (CUNY), Differential Geometry Seminars, 22 October 2015
Seminar
City University of New York, United States Of America

April 2015 Talk titled "On Slant Geometry", Wichita State University, Mathematics Department Seminars, 10 April 2015
Seminar
Wichita State University, United States Of America

March 2015 Talk titled "On Slant Geometry", University of MichiganDearborn, Mathematics Department Seminars, 18 March 2015
Seminar
University of MichiganDearborn, United States Of America

March 2015 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Columbia University, Geometry & Analysis Seminars, 12 March 2015
Seminar
Columbia University, United States Of America

January 2015 Talk titled "Spacelike Slant Geometry on Spacelike Submanifolds of Codimension Two", University of Oklahoma, Geometric Analysis Seminars, 20 January 2015
Seminar
University of Oklahoma, United States Of America

January 2015 $phi$De Sitter duals of spacelike hypersurfaces in the lightcone as wave front sets, The 20th Midwest Geometry Conference, 1718 January 2015
Conference
University of Oklahoma, United States Of America

November 2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", University of Rochester, Mathematics Department Seminars, 11 November 2014
Seminar
University of Rochester, United States Of America

October 2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Galatasaray University, Mathematics Department Seminars, 8 October 2014
Seminar
Galatasaray Üniversitesi, Turkey

August 2014 Talk titled "Spacelike Slant Geometry on Spacelike Submanifolds of Codimension Two", Northeast Normal University, Graduate School of Science, Mathematics Department Seminars, 27 August 2014
Seminar
Northeast Normal University, Graduate School of Science, Mathematics Department Seminars, China

August 2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Northeast Normal University, Graduate School of Science, Mathematics Department Seminars, 20 August 2014
Seminar
Northeast Normal University, Graduate School of Science, Mathematics Department Seminars, China

May 2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Seminars of Mathematical Institute of the Serbian Academy of Sciences and Arts, 29 May 2014
Seminar
Mathematical Institute of the Serbian Academy of Sciences and Arts, Serbia And Montenegro

February 2014 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Kobe University, Graduate School of Science, Mathematics Department Seminars, 17 February 2014
Seminar
Kobe University, Graduate School of Science, Mathematics Department Seminars, Japan

September 2013 Talk titled "Extensions of Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Katholieke University, Geometry Seminars, 27 September 2013
Seminar
Katholieke Universiteit Leuven, Belgium

September 2013 Talk titled "Slant Geometry of Hypersurfaces in Hyperbolic Space", Valenciennes University, The Laboratory of Mathematics and their Applications of Valenciennes (LAMAV) Seminars, 11 September 2013
Seminar
Université de Valenciennes et du HainautCambrésis, France

August 2013 Talk titled "Slant Geometry of Spacelike Hypersurfaces in the Lightcone", Michigan State University, Mathematics Department Seminars and Colloquia, 8 August 2013
Seminar
Michigan State University, United States Of America

February 2013 Talk titled "On Extended Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space", Michigan State University, Mathematics Department Seminars and Colloquia, 28 February 2013
Seminar
Michigan State University, United States Of America

September 2012 Contacts of Spacelike Hypersurfaces in the Lightcone with $varphi$Hyperbolic Flat Hyperquadrics, XVII Geometrical Seminar, 38 September 2012
Conference
XVII Geometrical Seminar, Zlatibor, Serbia And Montenegro

May 2012 OneParameter Families of Legendrian Dualities for the PseudoSpheres in LorentzMinkowski Space, Workshop on Geometry and Singularity Theory in South Hokkaido, 1920 May 2012
Workshop
Workshop on Geometry and Singularity Theory in South Hokkaido, Muroran, Japan

May 2012 Talk titled "OneParameter Families of Extrinsic Differential Geometries on Spacelike Hypersurfaces in the Lightcone", Hokkaido University, Science Faculty, Mathematics Department, Geometry Colloquium, 11 May 2012
Seminar
Hokkaido Üniversitesi, Japan

October 2011 Talk titled "Slant Geometry of Spacelike Hypersurfaces in the Lightcone", Valencia University, Mathematics Faculty, Geometry and Topology Department Seminars, 7 October 2011
Seminar
Valencia University, Spain

May 2009 Talk titled"On the 1parameter closed motions in Lorentzian 3space", Hokkaido University, Science Faculty, Mathematics Department, Singularity Seminars, 1 May 2009
Seminar
Hokkaido Üniversitesi, Japan