Dr. Asad Ullah is a faculty member in the department of Mathematical Sciences at Karakoram International University Gilgit (KIU) since 2006. He is currently serving as Associate Professor and Chairman of the department of Mathematical Sciences. He obtained his Masters Degree in Mathematics from KIU with distinction (Gold medal) and Doctors Degree from University of Science and Technology Beijing (USTB). He has been awarded 'Certificate of excellence' from USTB in recognition of his contribution to the research field. Dr. Asad is the founding Editor-in-Chief of Journal of Mountain Area Research (Official multidisciplinary publication of Karakoram International University) and reviewer of several reputed international journals. Dr. Asad Ullah has been actively participating in arranging national/international conferences and seminars, and also presenting at several national/international conferences and seminars as invited/Keynote speaker.

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Research Interests

Applied and Computational Mathematics(Discrete and computational Geometry; Mathematical Morphology; Digital Image Processing; Statistical and Applied Topology; Statistical mechanics; Differential Geometry; Combinatorial Topology; Graph Theory); Applications to Materials Engineering, Physics and Biology (Digital representation of materials microstructures; 3D reconstruction and visualization of microstructures through digital image processing and segmentation techniques; Statistical characterization of microstructures; Curvature driven Grain Growth modeling and simulation; Modeling and characterization of cells in plant tissues; Condensed matter Physics).

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ResearcherID: B-5525-2014 ; ORCID ; SCOPUS ; Google Scholar ; ResearchGate

• 2013: Ph.D with Distinction (Certificate of Excellence) from University of Science and Technology Beijing, China. (Dissertation title: "Study of the evolution of grain structures via 3D reconstruction, Monte Carlo simulation and Mathematical Modeling techniques")
• 2005: Masters with distinction (Gold Medal) from Karakoram International University Gilgit, Pakistan.
• 2003: Bachelor of Science Karakoram International University Gilgit, Pakistan.

• Assistant Professor, Department of Mathematical Sciences, Karakoram International University Gilgit, Pakistan (July, 2013 - June 2019)
• Volunteer Lecturer, University of Science and Technology Beijing, China (Semester fall, 2012)
• Lecturer, Department of Mathematical Sciences,Karakoram International University Gilgit, Pakistan (March 2006 - July 2013)
• Reviewing articles for several international SCI and EI journals '
• HEC Approved Ph.D Supervisor .(2015 - present)
• Departmental Graduate Advisor, Department of Mathematical Sciences, Karakoram International University Gilgit, Pakistan
• Coordinator and Founding Editor-in-Chief, KIU research journal "Journal of Mountain Area Research"
• Consultant, United Nations (United Nations Observer/Monitor for 6th census of Pakistan). (March 2017 - April 2017)
• Head of department, Department of Mathematical Sciences, Karakoram International University Gilgit (2016 - 2017)
• Chairman, Department of Mathematical Sciences, Karakoram International University Gilgit (2018 - present)
• Associate Professor, Department of Mathematical Sciences, Karakoram International University Gilgit (June, 2019 - present)

• As P.I: "Image based modeling and realistic simulations of Cellular Structures", funded by Karakoram International University. Rs. 0.7 Million (2019-Completed)
• As P.I: "Numerical techniques for simulations of thin film spreading by surfactant", funded by Higher Education Commission of Pakistan. Rs. 0.313 Million (2016-completed)
• As P.I: "Grain growth in three dimensional polycrystalline microstructures: A study on some complex problems at the intersection of Geometry, Topology and Graph theory", funded by Higher Education Commission (HEC) under NRPU. Rs. 8.4 Million (2020-Continu

• Awards and Honors:

  • Awarded "Gold medal" from Karakoram international University Gilgit Pakistan in recognition of getting first class first position in order of merit in all the existing departments of University during Masters Degree program. (2006)
  • Won the 'Chancellors scholarship' of University of Science and Technology Beijing and availed till the completion of doctoral degree. (2010)
  • Awarded "Certificate of excellence" from University of Science and Technology Beijing. (2013)
  • The research article, "Optimal approach of three dimensional microstructure reconstructions and visualizations" has been featured on the front cover of the issue (June 2013: Volume 3, Number 2) in the journal "Materials express"  as highlights.
  • Ranked 29th among 122 young productive scientists of Pakistan in the field of engineering applications, ranking released by Pakistan Council for Science and Technology. (2016)
  • Ranked 51st among 260 young productive scientists of Pakistan in the field of engineering applications, ranking released by Pakistan Council for Science and Technology. (2017)
  • Received international award '2nd prize in Natural Sciences' from Chinese Society for Stereology and Image Analysis, Ministry of Science and Technology China. (2019)
  • Received international award "2021 TMS Light Metals and Extraction & Processing Divisions Energy BEST PAPER AWARD" from TMS, USA. (2020)

• Current research engagements:

  • Currently, working towards derivation of a new curvature-driven 3D grain growth equation by taking into consideration both the geometrical properties and the topological changes associated with the grains, which can better describe the dynamics of 3D grain growth in space-filling polycrystalline structures. So far, the proposed grain growth models are either purely topological or geometrical. Whereas, just like what Smith had proposed, 3D grain growth is the result of the interaction between 3D grain geometry and topology. 

  • Another area  currently working on is 'Development of topological methods for characterization of cellular structures and to study their evolution'. Normally, grain face is treated as the most intuitional parameter to describe the grain topology, only using faces as variable of the grain growth kinetic equation is not adequate to describe the role that grain topology plays in the course of grain growth. There are other quantities like triple lines and quadruple points etc. The grain face number in grain growth equations must be replaced by a topological index which can completely describe the grain topology. 

  Research/Academic Mentoring:
  Qualification: 
  HEC Approved Ph.D Supervisor (Certified by Higher Education Commission of Pakistan (HEC) to supervise the research thesis of  MS & Ph.D students/ indigenous scholarship holders).

• Asad Ullah, Guoquan Liu, Hao Wang, Matiullah Khan, D. F. Khan, Junhua Luan., Optimal approach of three dimensional microstructure reconstructions and visualizations. Materials express, 3(2013) 109-118. (I.F: 2.26, SCI)
• Asad Ullah, Liu Guoquan, Wang Hao, Matiullah Khan, Dil Faraz Khan, M. Zubair Iqbal. Neighborhood topological effect on grain topology-size relationship in three-dimensional polycrystalline microstructures. Science Bulletin (formerly Chinese Science Bulletin), 58(2013) 3704-3708. (I.F: 9.511, SCI)
• Asad Ullah, Guoquan Liu, Junhua Luan, Hao Wang, Wenwen Li, Mujeeb ur Rahman, Murad Ali. Three-dimensional visualization and quantitative characterization of grains in polycrystalline iron. Materials Characterization, 91 (2014) 65-75. (I.F: 3.22, SCI)
• Asadullah, Guoquan Liu, Hao Wang, Juhhua Luan, Sabit Rahim, Matiullah Khan. A survey of the development of von Neumann relation from 2D to 3D. Proceedings of the 13th International Congress for Stereology (ICS-13), Beijing, China, October 19-23, 2011.
• Hao Wang, Guoquan Liu, Asad Ullah, and Junhua Luan. Topological correlations of three-dimensional grains. Appl. Phys. Lett. 101(2012) 041910. (I.F: 3.521, SCI)
• Wenwen Li, Guoquan Liu, Hao Wang, Hao Zhang, Junhua Luan, Asad Ullah. Topological correlations of grain faces in polycrystal with experimental verification. EPL 104(2013) 56006. (I.F: 2.269, SCI)
• J. H. Luan, G. Q. Liu, H. Wang and A. Ullah. A note on grain topology-size relationship of three-dimensional polycrystalline microstructures. EPL, 99 (2012) 28001. (I.F: 2.269, SCI)
• J. Luan, G. Liu, H. Wang, A. Ullah. On the sampling of three-dimensional polycrystalline microstructures for distribution determination. Journal of Microscopy, 244(2011) 214-222. (I.F: 2.15, SCI)
• Junhua Luan, Guoquan Liu, Hao Wang, Asad Ullah. How to select the section thickness in 3D reconstruction and quantitative characterization of polycrystalline microstructures? Proceedings of the 13th International Congress for Stereology (ICS-13), Beijing, China, October 19-23, 2011.
• X. Xiao, G. Q. Liu, B.F. Hu, X. Zheng, L. N. Wang, S.J. Chen, A. Ullah. A comparative study on Arrhenius-type constitutive equations and artificial neural network model to predict high-temperature deformation behavior in 12Cr3WV steel. Computational Materials Science, 62 (2012) 227-234. (I.F: 2.644, SCI)
• M. Zubair Iqbal, Fengping Wang, Rafiud-Din, M. Yasir Rafique, Qurat-ul-ain Javed, Asad Ullah, Hongmei Qiu. Synthesis of novel clinopinacoid structure of stannous oxide and hydrogen absorption characteristics. Materials Letters, 78(2012) 50-53. (I.F: 3.019, SCI)
• Matiullah Khan, Wenbin Cao, Ning Chen, Asadullah, M. Zubair Iqbal. Ab-initio calculations of synergistic chromium -nitrogen codoping effects on the electronic and optical properties of anatase TiO2. Vacuum, 92(2013) 32-38. (I.F: 2.515, SCI)
• Xiao X, Liu G Q, Hu B F, Wang J, Asad Ullah.Effect of V and Ta on the precipitation behavior of 12%Cr reduced activation ferrite/martensite steel. Materials characterization, 82(2013) 130-139. (I.F: 3.22, SCI)
• Matiullah Khan, Junna Xu, Ning Chen, Wenbin Cao, Asadullah, Zahid Usman & D. F. Khan. Effect of Ag doping concentration on the electronic and optical properties of anatase TiO2: a DFT-based theoretical study. Res Chem Intermed, 39 (2013) 1633-1644. (I.F: 2.064, SCI)
• Dil Faraz Khan, Haiqing Yin, Matiullah, Asadullah and Xuanhui Qu.Analysis of Density and Mechanical Properties of Iron Powder with Upper Relaxation Assist through High Velocity Compaction. Materials Science Forum, 749(2013) 41-46 , (EI)
• Matiullah Khan, Jing Li, Wenbin Cao, Asad Ullah. Advancement in the Photocatalytic properties of TiO2 by Vanadium and Yttrium codoping: Effect of Impurity concentration on the Photocatalytic Activity. Separation and Purification Technology, 130 (2014) 15-18 (I.F: 5.107, SCI)
• Khan DF, Yin H, Li H, Abideen Z, Asadullah, Qu X, et al. Effect of impact force on Ti-10 Mo alloy powder compaction by high velocity compaction technique. Materials & Design, 54(2014) 149-153. (I.F: 5.770, SCI)
• Murad Ali Khaskheli, Ping Wu, Amir Mahmood Soomro, Matiullah Khan, Mujetaba Ellahi, Asadullah, Mohammad Siddique Kalhoro. Fabrication and Electrical characteristic of quaternary ultrathin HfTiErO thin films for MOS devices grown by RF sputtering. Chemistry and Materials Research 5 (2013) 41- 47., .
• Sabit Rahim, Sun Tie, Afsana Begum, Asadullah. Teaching "The outline of China" course to foreign students using Moodle. Education and educational technology. AISC 108 (2011) 229-236. , (EI)
• Murad Ali Khaskheli, Ping Wu, Mohammad Siddique Kalhoro, Nizamani Mujetaba Ellahi, Matiullah Khan, Asadullah, Zubair Iqbal, Dil Faraz Khan, Yasir Rafique. Electrical and Photonics Characteristics of Hftiero Thin Films Deposited at 673 K Substrate Temperature. Sindh Univ. Res. Jour. (Sci. Ser.), 45(2013) 317-320. , (HEC recognized journal under category "Y")
• Wenwen Li, Guoquan Liu, Hao Wang, Junhua Luan, Asad Ullah. Study of the metric and topology properties of 3D grain face. Proceedings of the 13th China Congress for Stereology and Image analysis, September 23-26, 2013, China, 229-233.
• Wenwen Li, Guoquan Liu, Hao Wang, Junhua Luan, Asad Ullah. Evaluation of Topology Dependent Grain Growth Equations using Experimental Data and MacPherson-Srolovitz Equation. Proceedings of The 13th China Congress for Stereology and Image analysis, September 23-26, 2013, China, 223-228.
• Ehtisham Karim, Safdar Hussain, Asad Ullah, Fazal Haq, Mujeebur Rahman, Muhammad Saleem Khan. Numerical Solution of Cubic and Modified Cubic Boussinesq Equation Using Homotopy Analysis Method. World applied sciences journal. 32 (2014): 650-654. (I.F: 0.23, SCI)
• Asad Ullah. Study of the evolution of grain structures via 3D reconstruction, Monte Carlo simulation and Mathematical modeling techniques. 2013, Doctoral dissertation, University of Science and Technology Beijing, .
• Asad Ullah, Guoquan Liu, Hao Wang, Dil Faraz Khan, Matiullah Khan. A framework for image processing, analysis and visualization of materials microstructures using ImageJ package. Chinese Journal of Stereology and image analysis, 17(2012) 301-312.
• Asad Ullah, Three-dimensional reconstruction and visualization of snow microstructures: An efficient digital image processing and segmentation based technique. Proceedings of the International Conference on Mountains and Climate Change, September 17-19, 2015, Gilgit Pakistan, page 51.
• Matiullah Khan, Zeng Yi, Fawad, Wazir Muhammad, Abdul Niaz, Muhammad Iqbal Zaman, Asad Ullah. Enhancing the photoactivity of TiO2 by codoping with silver and molybdenum: the effect of dopant concentration on the photoelectrochemical properties. Mater. Res. Express, 4 (2017) 045023. (I.F: 1.435, SCI).
• Mati ur Rahman, Hameed Ullah Wazir, Matiullah Khan, Shaneela Nosheen, Sami Rahman, Asad Ullah. Precursor-Induced Template free hydrothermal synthesis of Faujasite and its Application in Catalytic Pyrolysis. Mater. Res. Express, 4 (2017) 055009. (I.F: 1.435, SCI).
• Asad Ullah, Ubaidullah, Matiullah Khan, Xue Weihua, Safdar Hussain, Mujeeb ur Rahman, Nadeem Salamat, Fazal Haq. Simulations of grain growth in realistic 3D polycrystalline microstructures and the MacPherson–Srolovitz equation. Materials Research Express 4 (2017) 066502. (I.F: 1.435 , SCI).
• Asad Ullah, Three-dimensional reconstruction, visualization and simulation of cellular structures through digital image processing and analysis techniques”. Proceedings of 2nd National Conference on Computer Sciences and Information Technology (NCCSIT), Lahore Garrison University, March 28-29, 2018, Lahore Pakistan, page 7-8., (Conference proceedings)
• Asad Ullah, Musarat Shaheen, Asad Khan, Matiullah Khan, Khalid Iqbal. “Evaluation of topology-dependent growth rate equations of three-dimensional grains using realistic microstructure simulations”. Mater. Res. Exp., 6 (2018) 026523. (I.F: 1.45, SCI)
• Asad Ullah, “Topological effects in cellular grain structures”. 3rd International Conference on Emerging Trends in Engineering, Management and Sciences, Gilgit, Pakistan, November 10-11 2018.
• Matiullah Khan, Yi Zeng, Zhenghua Lan, Asad Ullah, “Modulating the photo-active anatase TiO2 by cationic co-dopants: A case of Iron and Lanthanum”. Mater. Res. Exp., 6 (2019) 065503. (I.F, 1.15, SCI)
• Safdar Hussain, Abdullah Shah, Asad Ullah. “An Approximate Analytical Solution of the Allen-Cahn Equation using Homotopy Perturbation Method and Homotopy Analysis Method”. Heliyon, 5 (2019) e03060.
• Xiaoya Huang, HaoWang, Weihua Xue, Asad Ullah, Song Xiang, Hailiang Huang, Li Meng, Guang Ma, Guanzhen Zhang. “A combined machine learning model for the prediction of time-temperature-transformation diagrams of high-alloy steels”. Journal of Alloys and Compounds, 823 (2020) 153694. (I.F: 4.175, SCI)
• Huang, H., Liu, G., Wang, H., Ullah, A., Hu, B.F. Dissolution Behavior and Kinetics of γ′ Phase During Solution Treatment in Powder Metallurgy Nickel-Based Superalloy. Metall and Mat Trans A, 51 (2019). (I.F: 1.985, SCI)
• Xiaoya Huang, HaoWang, Weihua Xue, Song Xiang, Hailiang Huang, Li Meng, Asad Ullah, Guang Ma. “Study on time-temperature-transformation diagrams of stainless steel using machine-learning approach”. Computational Materials Science, 171 (2020) 109282. (I.F: 2.644, SCI)
• Xiaoxiao Geng, Hao Wang, Asad Ullah, Weihua Xue, Song Xiang, Li Meng, Guang Ma. “Prediction of continuous cooling transformation diagrams for Ni-Cr-Mo welding steels via machine learning approaches”. JOM, (2020) https://doi.org/10.1007/s11837-020-04057-z. (I.F: 2.305, SCI)