## Math Talks

Angles between subspaces of a normed space, Pure Maths Seminar, UNSW, 4 December 2018

Inclusion relation between generalized Stummel classes and Morrey spaces, The 6th East Asian Conference in Harmonic Analysis and Applications, Osaka University, 3-7 August 2018

Prinsip ketidakpastian Heisenberg di ruang L^p, Seminar Nasional Matematika, Unpar, 23 September 2017

Inclusion property of generalized Morrey spaces, Harmonic Analysis Seminar, Ibaraki University, 7-10 August 2017

Boundedness properties of Bessel-Riesz operators on Morrey spaces, Mini-courses in Mathematical Analysis 2017, University of Padova, 12-16 June 2017

Discrete Morrey spaces, SNAMA 2016, Makassar, October 14-15, 2016

Rumus sudut antara dua subruang dan potensi aplikasinya, Habibie Award 2016, Pendopo Habibie & Ainun, 5 October 2016

Fractional integrals and Morrey spaces, Asian Mathematical Conference 2016, Bali Nusa Dua, July 25-29, 2016

On the boundedness of Bessel-Riesz operators on generalized Morrey spaces, 2016 International Conference of the Honam Mathematical Society, Jeonju, June 16-18, 2016

On the structure of generalized Morrey spaces, 2nd International Conference on Recent Advances in Pure and Applied Mathematics, Istanbul, June 3-6, 2015

Fractional integral operators on generalized Morrey spaces, Asian Mathematical Conference 2013, Busan, June 30 – July 4, 2013

The *n*-dual space of the space of *p*-summable sequences, International Conference on Frontiers of Mathematical Sciences with Applications, Kolkata, December 2012

On the boundedness of fractional integral operators, 8th EASIAM Conference, Taipei, June 2012

Bounded linear functionals on the *n*-normed space of *p*-summable sequences, 2012 International Conference of the Honam Mathematical Society, Jeju Island, June 2012

Application of RKHS theory to a minimization problem with prescribed nodes, 7th EASIAM Conference, Kitakyushu, June 2011

Masalah interpolasi 1-D dan 2-D (in Indonesian), Seri Seminar Matematika 2011 @ ITB, Bandung, March 2011 & Seminar Nasional Analisis Matematika IV @ UNS, Solo, April 2011

The product of Chebyshev systems and its applications, ICMA 2010, Bangkok, December 2010

On orthogonality in *n*-normed spaces, SEACMA 2010, Surabaya, November 2010

Fourier analysis and its application in PDEs part-1 & part-2 (in Indonesian), WIDE 2010, Bandung, August 2010

On the product of *N* Chebyshev systems, AMIC 2010 & 6th EASIAM Conference, Kuala Lumpur, June 2010

On *n*-normed spaces an *n*-inner product spaces, ICRAMA 2010, Burdwan – West Bengal, January 2010

Fractional intergral operatos on Lebesgue and Morrey spaces, IICMA 2009, Yogyakarta, October 2009

Fractional integrals on Lebesgue and Morrey spaces (of non-homogeneous type), AMC 2009, Kuala Lumpur, June 2009

2-D interpolation method that minimizes curvature, 2nd MMC & 5th EASIAM Conference, Bandar Seri Begawan, June 2009

Surfaces with minimum energy and prescribed nodes, International Workshop on Orthogonal Polynomials and Applications, Madrid, September 2008

An interpolation method that minimizes an energy integral of fractional order, Asian Symposium on Computer Mathematics, Singapore, December 2007

Generalized fractional integral operators and Olsen inequalities, SEAMS-GMU Conference, Yogyakarta, July 2007

G-orthogonality in *n*-inner product spaces, Simposium Analisis Matematika dan Aplikasinya, Surabaya, August 2006

Ketaksamaan Olsen untuk operator Riesz yang diperumum (in Indonesian), Konferensi Nasional Matematika XIII, Semarang, July 2006

Generalized fractional integrals and their modified versions, Asian Mathematics Conference, Singapore, July 2005

Rumus eksplisit untuk sudut antara dua subruang dari suatu ruang hasilkali dalam (in Indonesian), Konferensi Nasional Matematika XII, Denpasar, 2004

On generalized fractional integral operators, International Conference on Industrial and Applied Mathematics, Sydney, 2003

Ketaksamaan Cauchy-Schwarz, ketaksamaan Bessel, dan kesamaan Parseval di ruang hasilkali dalam-*n* baku (in Indonesian), Konferensi Nasional Matematika XI, Malang, 2002

Weighted estimates for imaginary powers of the Laplace operator, Symposium on Wave Propagation, Bandung, 2001