
I. Sisman, T. Haykir Ergin, D. Erol Barkana, and H. A. Ülkü, “Design and realization of an X band monopulse feed antenna for low earth orbit (LEO) satellite ground station,” International Journal of Antennas and Propagation, vol. 2024, article id 6659390, 2024.

A. Aktepe and H. A. Ülkü, “Evaluation of the retardedtime potentials due to an impulsively excited curvilinear RWG function,” IEEE Trans. Antennas Propag., vol. 71, no. 12, pp. 9268 – 9276, Dec. 2023.

S. Bin Sayed, R. Chen, H. A. Ülkü, and H. Bağcı, “A time domain volume integral equation solver to analyze electromagnetic scattering from nonlinear dielectric objects,” IEEE Trans. Antennas Propag., vol. 71, no. 12, pp. 9255 – 9267, Dec. 2023.

A. Aktepe and H. A. Ülkü, “Exact evaluation of time domain physical optics integral for high order triangles,” IEEE Trans. Antennas Propag., vol. 71, no. 1, pp. 1170 – 1173, Jan. 2023.

R. Chen, H. A. Ülkü, F. Andriulli, and H. Bağcı, “On the lowfrequency behavior of vector potential integral equations for perfect electrically conducting scatterers,” IEEE Trans. Antennas Propag., vol. 70, no. 12, pp. 12411 – 12416, Dec. 2022.

A. Aktepe, A. A. Ergin, and H. A. Ülkü, “On the evaluation of the Kirchhoff approximation integral using Radon transform interpretation in time domain,” Turkish Journal of Engineering Research and Education, vol. 1, no. 2, pp. 86 – 91, Nov. 2022 (in Turkish).

A. Aktepe and H. A. Ülkü, “On the closedform evaluation of the PO integral using the Radon transform interpretation for linear triangles,” Turk. J. Electr. Eng. Co., vol. 29, no. 5, pp. 25202528, Oct. 2021.

R. Chen, S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “An explicit time marching scheme for efficient solution of the magnetic field integral equation at low frequencies,” IEEE Trans. Antennas Propag., vol. 69, no. 2, pp. 1213 – 1218, Feb. 2021.

A. Aktepe, H. A. Serim, and H. A. Ülkü, “Transient analysis of scattering from impedance surfaces using physical optics approximation,” IET Microwaves, Antennas Propag., vol. 14, no. 15, pp. 2020 – 2026, Dec. 2020.

A. Aktepe and H. A. Ülkü, “Exact evaluation of time domain physical optics integral on quadratic triangular surfaces,” IEEE Trans. Antennas Propag., vol. 68, no. 3, pp. 7447 – 7456, Nov. 2020.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Explicit time marching schemes for solving the magnetic field volume integral equation,” IEEE Trans. Antennas Propag., vol. 68, no. 3, pp. 2224 – 2237, Mar. 2020.

H. A. Serim, H. A. Ülkü, S. Barak, and A. Alkumru, “On the reflection and shadow boundaries for a moving line source illumination,” Electromagnetics, vol. 38, no. 7, pp. 448457, 2018.

H. A. Ülkü, “Temporal preconditioners for marching onintime based time domain integral,” Turk. J. Electr. Eng. Co., vol. 25, no. 4, pp. 29332942, Aug. 2017.

H. A. Ülkü, I. Bogaert, K. Cools, F. P. Andriulli, and H. Bağcı, “Mixed discretization of the time domain MFIE at low frequencies,” IEEE Antennas Wireless Propag. Lett., vol. 16, pp. 1565 – 1568, 2017.

I. E. Uysal, H. A. Ülkü, M. Sajjad, N. Singh, U. Schwingenschlogl, and H. Bağcı, “Quantumcorrected transient analysis of plasmonic nanostructures,” Optics Express, vol. 25, no. 6, pp. 58915908, Mar. 2017.

I. E. Uysal, H. A. Ülkü, and H. Bağcı, “Transient analysis of electromagnetic wave interactions on plasmonic nanostructures using a surface integral equation solver,” J. Opt. Soc. Am. A, vol. 33, no. 9, pp. 17471759, Sep. 2016.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “A stable marching onintime scheme for solving the time domain electric field volume integral equation on highcontrast scatterers,” IEEE Trans. Antennas Propag., vol. 63, no. 7, pp. 3098 – 3110, July 2015.

I. E. Uysal, H. A. Ülkü, and H. Bağcı, “MOT solution of the PMCHWT equation for analyzing transient scattering from conductive dielectrics,” IEEE Antennas Wireless Propag. Lett., vol. 14, pp. 507 – 510, 2015.

H. A. Ülkü, H. Bağcı, and E. Michielssen, “Marching onintime solution of the time domain magnetic field integral equation using a predictorcorrector scheme,” IEEE Trans. Antennas Propag., vol. 61, no. 8, pp. 4120 – 4131, Aug. 2013.

H. A. Ülkü and A. A. Ergin, “Application of analytical retardedtime potential expressions to the solution of time domain integral equations,” IEEE Trans. Antennas Propag., vol. 59, no. 11, pp. 4123 – 4131, Nov. 2011.

H. A. Ülkü, A. A. Ergin, and F. Dikmen, “On the evaluation of retardedtime potentials for SWG bases,” IEEE Antennas Wireless Propag. Lett., vol. 10, pp. 187 – 190, 2011.

H. A. Ülkü and A. A. Ergin, “On the singularity of the closedform expression of the magnetic field in time domain,” IEEE Trans. Antennas Propag., vol. 59, no. 2, pp. 691 – 694, Feb. 2011.

H. A. Ülkü and A. A. Ergin, “Analytical evaluation of transient magnetic fields due to RWG current bases,” IEEE Trans. Antennas Propag., vol. 55, no. 12, pp. 3565 – 3575, Dec. 2007.

M. Korkut, T. HaykirErgin, I. Sisman, and H. A. Ülkü “Design of an ultra lowpower tunable ring VCO in 65 nm CMOS technology for 2.94.5 GHz frequency,” Fourth International Conference on Electrical, Communication and Computer Engineering (ICECCE), Dubai, UAE, Dec. 3031, 2023.

A. Aktepe and H. A. Ülkü, “On the evaluation of retardedtime potentials due to CRWG functions: selfterm case,” International Conference on Electromagnetics in Advanced Applications (ICEAA), Venice, Italy, Oct. 913, 2023.

S. Dinleyen and H. A. Ülkü, “Hybridized contrast source inversion method,” 34th International Union of Radio Science General Assembly and Scientific Symposium, Rome Italy (hybrid), Aug. 28Sep. 4, 2021 (URSI Young Scientist Award ).

A. Aktepe and H. A. Ülkü, “Time domain physical optics integral evaluation on third order triangles,” 33rd International Union of Radio Science General Assembly and Scientific Symposium, Rome Italy (online due to covid19), Aug. 29Sep. 30, 2020 (URSI Young Scientist Award ).

A. Aktepe and H. A. Ülkü, “Evaluation of PO and EEC radiation integrals on quadratic triangles and edges in time domain,” The 5th International EMC Conference (EMC Türkiye 2019), Kocaeli, Turkey, Sep. 2225, 2019.

A. F. Yılmaz and H. A. Ülkü, “Comparison of mixed discretization schemes for combined field integral equation,” The 5th International EMC Conference (EMC Türkiye 2019), Kocaeli, Turkey, Sep. 2225, 2019.

S. Dinleyen and H. A. Ülkü, “Comparison of contrast source inversion based methods for solving two dimensional electromagnetic inverse scattering problems,” The 5th International EMC Conference (EMC Türkiye 2019), Kocaeli, Turkey, Sep. 2225, 2019.

S. Yıkılmazçınar, E. Başaran, and H. A. Ülkü, “Single fed UWB Sierpinski fractal monopole antenna array,” The 5th International EMC Conference (EMC Türkiye 2019), Kocaeli, Turkey, Sep. 2225, 2019.

S. Dinleyen and H. A. Ülkü, “Comparison of CSIM and MRCSIM methods for two dimensional inverse scattering problems,” International Symposium on Engineering Natural Sciences and Architecture, Izmit, Turkey, May 0204, 2019 (in Turkish).

A. F. Yilmaz and H. A. Ülkü, “Range space projected combined field integral equation,” International Symposium on Engineering Natural Sciences and Architecture, Izmit, Turkey, May 0204, 2019 (in Turkish).

A. Aktepe and H. A. Ülkü, “Evaluation of the contour integral on curved edges in time domain equivalent edge currents,” Applied Computational Electromagnetics Society Symposium, Miami, Florida, USA, Apr. 1418, 2019.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Transient analysis of electromagnetic wave interactions in magnetized plasma using volume integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Boston, Massachusetts, USA, July 813, 2018.

I. E. Uysal, S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Electron energy loss spectroscopy simulation for plasmonic nanoparticles using a time domain surface integral equation solver,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, , Boston, Massachusetts, USA, July 813, 2018.

A. Aktepe, H. A. Serim, and H. A. Ülkü, “Evaluation of time domain physical optics integral on curved surfaces,” URSI Atlantic Radio Science Conference (URSI ATRASC), Gran Canaria, Canary Islands, Spain, May 28  June 1, 2018.

A. F. Yilmaz and H. A. Ülkü, “On the conforming combination of the electric and magnetic field integral equations,” Applied Computational Electromagnetics Society Symposium, Denver, Colorado, USA, Mar. 2529, 2018 (Finalist (top 10) on student paper competition).

S. Bin Sayed, I. E. Uysal, H. A. Ülkü, and H. Bağcı, “A volume integral equation solver for quantumcorrected transient analysis of scattering from plasmonic nanostructures,” Applied Computational Electromagnetics Society Symposium, Denver, Colorado, USA, Mar. 2529, 2018 (3rd place on student paper competition).

H. A. Serim and H. A. Ülkü, “Analysis of transient scattering from impedance surfaces using physical optics approximation,” Applied Computational Electromagnetics Society Symposium, Denver, Colorado, USA, Mar. 2529, 2018.

I. E. Uysal, H. A. Ülkü, O. Gulseren and H. Bağcı, “Scattering analysis of silver nanoparticles for solar cell applications using integral equations,” Applied Computational Electromagnetics Society Symposium, Denver, Colorado, USA, Mar. 2529, 2018.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Electromagnetic analysis of time varying media using volume integral equations,” 32nd International Union of Radio Science General Assembly and Scientific Symposium, Montreal, Canada, Aug. 1926, 2017.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Transient analysis of electromagnetic wave interactions on magnetized ferrites using LandauLifshitzGilbert and volume integral equations,” 32nd International Union of Radio Science General Assembly and Scientific Symposium, Montreal, Canada, Aug. 1926, 2017.

S. Bin Sayed, I. E. Uysal, H. A. Ülkü, and H. Bağcı, “Quantumcorrected transient analysis of plasmonic nanostructures using a volume integral equation solver,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, San Diego, California, USA, July 914, 2017.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “An explicit MOT scheme for solving the TDEFVIE on nonlinear and dispersive scatterers,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, San Diego, California, USA, July 914, 2017.

A. Alkumru, H. A. Ülkü, G. Çınar, S. Vatansever, and H. Sertlek, “A novel two Green functions method for the identification of sources located in a hemisphere,” Progress in Electromagnetics Research Symposium (PIERS), St. Petersburg, Russia, May 2225, 2017.

S. Vatansever, A. Alkumru, H. Sertlek, H. A. Ülkü, and G. Çınar, “A double Green function method for an inverse source problem related to a hemisphere,” Applied Computational Electromagnetics Society Symposium, Firenze, Italy, Mar. 2630, 2017.

M. Akkuş, F. Dikmen, H. A. Ülkü, and A. A. Ergin, “Radon transform interpretation of retardedtime potentials for SWG bases,” Applied Computational Electromagnetics Society Symposium, Firenze, Italy, Mar. 2630, 2017.

I. E. Uysal, H. Bağcı, A. A. Ergin, and H. A. Ülkü, “On the initial condition problem of the time domain PMCHWT surface integral equation,” Applied Computational Electromagnetics Society Symposium, Firenze, Italy, Mar. 2630, 2017.

Y. F. Shi, I. E. Uysal, P. Li, H. A. Ülkü, and H. Bağcı, “A surface integral equation solver for transient analysis of graphene devices,” Advanced Electromagnetics Symposium (AES 2016), Torremolinos (Malaga), Spain, July 26–28, 2016.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Transient analysis of electromagnetic wave interactions on ferromagnetic scatterers using LandauLifshitzGilbert and volume integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26 July 1, 2016, (Finalist on student paper competitiontop 13 among 158 competitors).

Y. F. Shi, I. E. Uysal, P. Li, H. A. Ülkü, and H. Bağcı, “An MOTTDIE solver for analyzing transient fields on graphenebased devices,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26 July 1, 2016.

A. Litvinenko, A.L. HajiAli, I. E. Uysal, H. A. Ülkü, J. Oppelstrup, R. Tempone, and H. Bağcı, “Computation of fields scattered from dielectric objects of uncertain shapes using multilevel Monte Carlo,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26 July 1, 2016.

I. E. Uysal, H. A. Ülkü, M. Sajjad, N. Singh, U. Schwingenschlögl, and H. Bağcı, “DFTcorrected electromagnetic analysis of nanostructures,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26 July 1, 2016.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Transient analysis of electromagnetic wave interactions on nonlinear dispersive scatterers using volume integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Fajardo, Puerto Rico, June 26 July 1, 2016.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “An explicit MOTTDVIE solver for time varying media,” IEEE International Conference on Wireless Information Technology and Systems (ICWITS) and Applied Computational Electromagnetics (ACES), Honolulu, Hawaii, USA, Mar. 1317, 2016, (Finalist (top 10) on student paper competition).

I. E. Uysal, H. A. Ülkü, and H. Bağcı, “Quantumcorrected plasmonic field analysis using a time domain PMCHWT integral equation,” IEEE International Conference on Wireless Information Technology and Systems (ICWITS) and Applied Computational Electromagnetics (ACES), Honolulu, Hawaii, USA, Mar. 1317, 2016, (4th place on student paper competition).

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “An efficient explicit marching on in time solver for magnetic field volume integral equation,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Vancouver, British Columbia, Canada, July 1925, 2015, (Honorable Mention Award on student paper competition).

I. E. Uysal, H. A. Ülkü, and H. Bağcı, “Transient analysis of plasmonic nanostructures using an MOTPMCHWT solver,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Vancouver, British Columbia, Canada, July 1925, 2015.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Transient analysis of electromagnetic wave interactions on ferrite structures using LandauLifshitzGilbert and volume integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Vancouver, British Columbia, Canada, July 1925, 2015.

I. E. Uysal, H. A. Ülkü, and H. Bağcı, “Analysis of transient electromagnetic interactions on nanodevices using a quantum corrected integral equation approach,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Vancouver, British Columbia, Canada, July 1925, 2015.

Y. F. Shi, I. E. Uysal, P. Li, H. A. Ülkü, and H. Bağcı, “Analysis of transient electromagnetic wave interactions on graphenebased devices using integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Vancouver, British Columbia, Canada, July 1925, 2015.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Recent advances in marchingonintime schemes for solving time domain volume integral equations,” URSI Atlantic Radio Science Conference (URSI ATRASC), Gran Canaria, Canary Islands, May 1822, 2015.

Y. F. Shi, I. E. Uysal, P. Li, H. A. Ülkü, and H. Bağcı, “Analysis of electromagnetic wave interactions on graphene sheets using time domain integral equations,” Applied Computational Electromagnetics Society Symposium, Williamsburg, Virginia, USA, Mar. 2226, 2015.

H. A. Ülkü, S. Bin Sayed, and H. Bağcı, “An explicit MOTTDVIE scheme for analyzing electromagnetic field interactions on nonlinear scatterers,” IEEE Int. Conf. Computational Electromagetics (ICCEM), Hong Kong SAR, Feb. 25, 2015.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Transient analysis of electromagnetic wave interactions on highcontrast scatterers using volume electric field integral equation,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Memphis, Tennessee, USA, July 612, 2014 (Honorable Mention Award on student paper competition).

H. A. Ülkü, S. Bin Sayed, and H. Bağcı, “Analysis of electromagnetic wave interactions on nonlinear scatterers using time domain volume integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Memphis, Tennessee, USA, July 612, 2014.

I. E. Uysal, H. A. Ülkü, and H. Bağcı, “Analysis of transient plasmonic interactions using an MOTPMCHWT integral equation solver,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Memphis, Tennessee, USA, July 612, 2014.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “An explicit marching onintime solver for time domain volume magnetic field integral equation,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Memphis, Tennessee, USA, July 612, 2014.

S. Bin Sayed, H. A. Ülkü, and H. Bağcı, “Stable quasiexplicit MOT solver for the time domain volume electric field integral equation,” Applied Computational Electromagnetics Society Symposium, Jacksonville, Florida, USA, Mar. 2327, 2014 (3rd place on student paper competition).

I. E. Uysal, H. A. Ülkü, and H. Bağcı, “MOT solution of time domain PMCHWT integral equation for lossy dielectric scatterers,” Applied Computational Electromagnetics Society Symposium, Jacksonville, Florida, USA, Mar. 2327, 2014 (5th place on student paper competition).

H. A. Ülkü and H. Bağcı, “Stability analysis of predictorcorrector based quasiexplicit MOTTDIE solvers,” Progress in Electromagnetics Research Symposium (PIERS), Stockholm, Sweden, Aug. 1215, 2013.

I. E. Uysal, H. A. Ülkü and H. Bağcı, “A PMCHWT surface integral equation solver for analyzing transient plasmonic interactions,” Progress in Electromagnetics Research Symposium (PIERS), Stockholm, Sweden, Aug. 1215, 2013.

S. Bin Sayed, H. A. Ülkü and H. Bağcı, “A stable and explicit MOT solver for the time domain volume electric field integral equation,” Progress in Electromagnetics Research Symposium (PIERS), Stockholm, Sweden, Aug. 1215, 2013.

H. A. Ülkü and A. A. Ergin, “Solution of the initial condition problem of time domain EFIE,” Computational Electromagnetics 2013 International Workshop, Izmir, Turkey, Aug. 35, 2013.

H. A. Ülkü, H. Bağcı, and E. Michielssen, “Explicit solution of Calderon preconditioned time domain integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Orlando, Florida, USA, July 712, 2013.

H. A. Ülkü and H. Bağcı, “Explicit marching onintime solution of the mixeddiscretized time domain magnetic field integral equation at low frequencies,” Applied Computational Electromagnetics Society Symposium, Monterey, California, USA, Mar. 2428, 2013.

H. A. Ülkü, H. Bağcı, and E. Michielssen, “Explicit solution of the time domain magnetic field integral equation using a predictorcorrector scheme,” International Conference on Electromagnetics in Advanced Applications, Cape Town, South Africa, Sept. 27, 2012.

H. A. Ülkü, I. Bogaert, K. Cools, F. P. Andriulli, and H. Bağcı, “On the mixed discretization of the time domain magnetic field integral equation,” International Conference on Electromagnetics in Advanced Applications, Cape Town, South Africa, Sept. 27, 2012.

H. A. Ülkü, I. Bogaert, K. Cools, F. P. Andriulli, and H. Bağcı, “On the low frequency behavior of the mixed discretized time domain magnetic field integral equation,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Chicago, Illinois, USA, July 814, 2012.

H. A. Ülkü and A. A. Ergin, “Radon transform interpretation of the physical optics integral and application to near and far field acoustic scattering problems,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, Toronto, Ontario, Canada, July 1117, 2010.

H. A. Ülkü and A. A. Ergin, “Radon transform interpretation of physical optics integral for scalar waves: the nearnear field case,” Progress in Electromagnetics Research Symposium (PIERS), Moscow, Russia, Aug. 1821, 2009.

H. A. Ülkü, F. Dikmen, and A. A. Ergin, “Extension of exact evaluation of retarded time potentials from 2D to 3D source distributions,” Progress in Electromagnetics Research Symposium (PIERS), Moscow, Russia, Aug. 1821, 2009.

H. A. Serim, H. A. Ülkü, H. Öztürk, S. Karaca and A. A. Ergin, “Geometric evaluation of physical optics integrals using a timedomain approach,” Vth International Workshop on Electromagnetic Wave Scattering, Antalya, Turkey, Oct. 2225, 2008.

H. A. Serim, H. A. Ülkü, S. Karaca, H. Öztürk and A. A. Ergin, “Geometric evaluation of physical optics integrals using a timedomain approach,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, San Diego, California, USA, July 512, 2008.

H. A. Ülkü and A. A. Ergin, “Application of analytical expressions of transient potentials to the MOT solution of integral equations,” IEEE Int. Symp. Antennas Propag. and USNC/URSI National Radio Science Meeting, San Diego, California, USA, July 512, 2008.

A. Aktepe, D. Ozturk, and H. A. Ülkü, “NURBS kütüphanesi kullanılarak fiziksel optik integralinin zaman uzayında hesaplanması,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 12, 2022 (in Turkish).

S. Dinleyen, A. Karatas, O. U. Yildirim, A. Alkumru, and H. A. Ülkü, “Makine öğrenmesi aracılığıyla iki boyutlu elektromanyetik ters saçılma problemlerinin çözümü,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 12, 2022 (in Turkish).

F. Cugalir, H. A. Ülkü, C. S. Atesavci, and Y. Bahadirlar, “Vivaldi anten dizisinde yönlü ortak bağlaşım ve temel yön bulma algoritmalarına etkisi,” 8th International Congress on Engineering, Architecture and Design, Istanbul, Turkey, Dec. 67, 2021 (in Turkish).

A. Aktepe and H. A. Ülkü, “Fiziksel optik integralinin yüksek mertebeden üçgenler için zaman uzayında hesaplanması,” X. URSITurkish Scientific Congress National General Council Meeting, Gebze Technical University, Kocaeli, Turkey, onlinelive, Sep. 79, 2021 (in Turkish) (1st place on student paper competition).

S. Dinleyen and H. A. Ülkü, “Hibrit kontrast kaynak evirme yöntemi,” X. URSITurkish Scientific Congress National General Council Meeting, Gebze Technical University, Kocaeli, Turkey, onlinelive, Sep. 79, 2021 (in Turkish) (3rd place on student paper competition).

U. C. Koç, E. Başaran, H. A. Ülkü, and A. Alkumru, “Hareketli bir küreye ilişkin enerji dağılımı ve saçılma katsayısı,” X. URSITurkish Scientific Congress National General Council Meeting,, Gebze Technical University, Kocaeli, Turkey, onlinelive, Sep. 79, 2021 (in Turkish).

M. Akkuş, F. Dikmen, H. A. Ülkü, and A. A. Ergin, “Zaman domeninde SWG bazlarından saçılan alanların analitik hesabı,” X. URSITurkish Scientific Congress National General Council Meeting, Gebze Technical University, Kocaeli, Turkey, onlinelive, Sep. 79, 2021 (in Turkish) (2nd place on student paper competition).

A. Aktepe and H. A. Ülkü, “İkinci dereceden üçgenler ile modellenen saçıcıların kırınımın fiziksel teorisi ile zaman uzayında analizi,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 1718, 2019 (in Turkish).

A. Aktepe and H. A. Ülkü, “İkinci dereceden üçgenlerle modellenen saçıcıların fiziksel optik yaklaşımı ile analizi için verimli gölgeleme yöntemi,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 1718, 2019 (in Turkish).

A. F. Yılmaz and H. A. Ülkü, “Karma ayrıklaştırılmış birleşik alan integral denklemlerinin kıyaslanması,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 1718, 2019 (in Turkish).

S. Dinleyen and H. A. Ülkü, “Kontrast kaynak evirme yöntemlerinin duvar ötesi görüntüleme problemlerine uygulanması,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 1718, 2019 (in Turkish).

S. Yıkılmazçınar, E. Başaran, and H. A. Ülkü, “Tek beslemeli, ultra geniş bantlı ve yüksek verimli Sierpinski üçgen fraktal monopol anten dizisi tasarımı,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 1718, 2019 (in Turkish).

N. Yıldırım, A. F. Yılmaz, S. Yıkılmazçınar, and H. A. Ülkü, “Geniş bantlı dairesel disk mikroşerit yama anten tasarımı,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 1718, 2019 (in Turkish).

H. Atar, F. Erden, and H. A. Ülkü, “Bir mikroşerit antenin insan kafatasına farklı frekanslardaki etkisinin incelenmesi,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, June 1718, 2019 (in Turkish).

S. Dinleyen and H. A. Ülkü, “Ters saçılma problemlerinin çözümünde distorted Born iteratif ve Born iteratif yöntemlerinin karşılaştırılması,” IX. URSITurkish Scientific Congress National General Council Meeting, KTO Karatay University, Konya, Turkey, Sep. 68, 2018.

A. Aktepe, H. A. Serim, and H. A. Ülkü, “Kuadratik üçgenler ile modellenen saçıcıların fiziksel optik yaklaşımı ile zaman uzayında analizi,” IX. URSITurkish Scientific Congress National General Council Meeting, KTO Karatay University, Konya, Turkey, Sep. 68, 2018, (Finalist on student paper competition).

A. Aktepe, H. A. Serim, and H. A. Ülkü, “İkinci dereceden üçgenler ile modellenen saçıcıların fiziksel optik yaklaşımı ile zaman uzayında analizi,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, May 1416, 2018.

A. F. Yılmaz and H. A. Ülkü, “Uyumlu ayrıklaştırılmış elektrik ve manyetik alan integral denklemlerinin hedef uzayı uyumlu birleşimi,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, May 1416, 2018.

S. Dinleyen and H. A. Ülkü, “Distorted Born iteratif yöntemi ile 2 boyutlu elektromanyetik ters saçılma problemlerinin çözümü,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, May 1416, 2018.

S. Gedikli, A. Alkumru, and H. A. Ülkü, “Bir yarım küreye ilişkin ters kaynak problemi için çift Green fonksiyonu yöntemi,” Gebze Technical University Institute of Natural and Applied Sciences Symposium on Graduate Research, GTÜ, Kocaeli, Turkey, May 1416, 2018.

M. Akkuş, F. Dikmen, H. A. Ülkü, and A. A. Ergin, “Radon transform interpretation of retardedpotentials for SWG basis functions,” VIII. URSITurkish Scientific Congress National General Council Meeting, METU, Ankara, Turkey, Sep. 13, 2016 (in Turkish).

H. A. Ülkü, “Temporal preconditioning of MOT based TDIE solvers,” VIII. URSITurkish Scientific Congress National General Council Meeting, METU, Ankara, Turkey, Sep. 13, 2016 (in Turkish).

I. E. Uysal, H. A. Ülkü, and H. Bağcı, SOLBOX04, The Radio Science Bulletin, vol. 77, pp. 51 – 53, June 2016.

F. Dikmen, M. Akkuş, and H. A. Ülkü, “Correction to analytical evaluation of retardedtime potentials for SWG bases,” IEEE Trans. Antennas Propag., vol. 64, no. 6, p. 2587, June 2016.

H. A. Ülkü and A. A. Ergin, “Application of analytical expressions of retardedtime potentials to the MOT solution of integral equations,” IV. URSITurkish Scientific Congress National General Council Meeting, Akdeniz University, Antalya, Turkey, Oct. 2022, 2008 (in Turkish).

F. Dikmen, H. A. Ülkü and A. A. Ergin, “Closedform expressions of acoustic pressure fields at a constant density in time domain,” IV. URSITurkish Scientific Congress National General Council Meeting, Akdeniz University, Antalya, Turkey, Oct. 2022, 2008 (in Turkish).