**Journal Papers**

S. H. Taqdees and O. Hasan, "Formally Verifying Transfer Functions of Linear Analog Circuits", *Design and Test*, Vol. 34, No. 5, pp. 30-37, Jun, 2017.

M. Mohsin, M. U. Sardar, O. Hasan and Z. Anwar,, "IoTRiskAnalyzer: A Probabilistic Model Checking Based Framework for Formal Risk Analytics of the Internet of Things", *IEEE Access*, Vol. 5, No. 1, pp. 5494-5505, 2017.

S. Shiraz and O. Hasan, "A HOL Library for Hardware Verification using Theorem Proving", *IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems*, 2017.

M. U. Sardar, N. Afaq, O. Hasan and K. A. Hoque, "Towards Probabilistic Formal Analysis of SATS-Simultaneously Moving Aircraft (SATS-SMA)", *Journal of Automated Reasoning*, 2017.

S. Mazahir, O. Hasan, R. Hafiz and M. Shafique, "Probabilistic Error Analysis of Approximate Recursive Multipliers", *Transactions on Computers*, 2017.

O. Hasan and S. Iqbal, "A Framework for Laparoscopic Simulations", *Journal of Pakistan Medical Association*, Vol. 67, No. 9, pp. 1404-1409, 2017.

A. Rashid, O. Hasan, M.U. Siddique and S. Tahar, "Formal Reasoning about Systems Biology using Theorem Proving", *PLOS ONE*, 2017.

Z.A. Khan, , N. Kamal, A. Hameed, A. Mahmood, R. Zainab, B. Sadia, S.M. Mansoor, and O. Hasan, "SmartSIM - A Virtual Reality Simulator for Laparoscopy Training using a Generic Physics Engine", *International Journal of Medical Robotics and Computer Assisted Surgery*, Vol. 13, No. 2, 2017.

F. K. Lodhi, S. R. Hasan, O. Hasan, and F. Awwad, "Analyzing Vulnerability of Asynchronous Pipeline to Soft Errors: Leveraging Formal Verification", * Journal of Electronic Testing: Theory and Applications*, Vol. 32, No. 5, pp. 569-586, Sep, 2016.

W. Ahmed, O. Hasan and S. Tahar,, "Formalization of Reliability Block Diagrams in Higher-order Logic", * Journal of Applied Logic*, Vol. 18, No. 1, pp. 19-41, Aug, 2016.

S.R. Hasan, W.Gul and O. Hasan, , "Clock Domain Crossing (CDC) in 3D-SICs: Semi QDI Asynchronous vs Loosely Synchronous", *Integration, the VLSI Journal*, Vol. 52, pp. 367-380, Jan, 2016.

U. Pervez, A. Mehmood, O. Hasan, K. Latif, and A. Gawanmeh, "Improvement Strategies For Device Interoperability Middleware Using Formal Reliability Analysis", *Scalable Computing: Practice and Experience*, Vol. 17, No. 3, pp. 155-170, 2016.

S.A.A. Bukhari, F. K. Lodhi, O. Hasan, M.Shafique and J.Henkel, "FAMe-TM: Formal Analysis Methodology for Task Migration Algorithms in Many-Core Systems", *Science of Computer Programming*, Vol. 133, No. 2, pp. 154-174, 2016.

M. U. Sardar, O. Hasan, M. Shafique and J. Henkel, "Theorem Proving Based Formal Verification of Distributed Dynamic Thermal Management Schemes", *Journal of Parallel and Distributed Computing*, Vol. 100, pp. 157-171, 2016.

W. Ahmed, O. Hasan, U. Pervez, and J. Qadir, "Reliability Modeling and Analysis of Communication Networks", *Journal of Network and Computer Applications *, Vol. 78, pp. 191-215, 2016.

U. Mushtaq, O. Hasan, F. Awwad, "NoC based Implementation of Free Form Deformations in Medical Imaging Registration", *Journal of Circuits, Systems, and Computers*, Vol. 26, No. 4, pp. 1750078, 2016.

J. Qadir and O. Hasan, "Applying Formal Methods to Networking: Theory, Techniques and Applications", *Communications Surveys and Tutorials*, Vol. 17, No. 1, pp. 256-291, Mar, 2015.

S. Ahmad, , O. Hasan, U. Siddique, "On the Formalization of Zsyntax with Applications in Molecular Biology", *Scalable Computing: Practice and Experience*, Vol. 16, No. 1, pp. 37-51, Feb, 2015.

A.H. Qureshi, S. Mumtaz, Y. Ayaz and O. Hasan, "Triangular Geometrised Sampling Heuristic for Fast Optimal Motion Planning", *International Journal of Advanced Robotic Systems*, Vol. 12, No. 10, pp. 10.5772/59763, Feb, 2015.

M. Elleuch, O. Hasan, S. Tahar and M. Abid, "Formal Probabilistic Analysis of Detection Properties in Wireless Sensor Networks", *Formal Aspects of Computing*, Vol. 27, No. 1, pp. 79-102, 2015.

M. Elleuch, O. Hasan, S. Tahar, M. Abid, "Formal Probabilistic Analysis of Detection Properties in Wireless Sensor Networks", *Formal Aspects of Computing*, Vol. 28, No. 1, pp. 1-24, Jul, 2014.

T. Hassan, A. Hameed, S. Nasir, N. Kamal, O. Hasan, "Al-Zahrawi: A Telesurgical Robotic System for Minimal Invasive Surgery", *Systems Journal*, Vol. 9, No. 1, pp. 1-11, Jul, 2014.

U. Siddiqui, O. Hasan, "On the Formalization of Gamma Function in HOL", *Journal of Automated Reasoning*, Vol. 54, No. 4, pp. 407-429, Jul, 2014.

S.K. Afshar, U. Siddique, M.Y. Mahmoud, V. Aravantinos, O. Seddiki, O.Hasan, S. Tahar, "Formal Analysis of Optical Systems", *Mathematics in Computer Science*, Vol. 8, No. 1, pp. 39-70, May, 2014.

O. Hasan, S.A. Khayam, "Towards Formal Linear Cryptanalysis using HOL4", *Journal of Universal Computer Science,*, Vol. 20, No. 2, pp. 193-212 , Mar, 2014.

O. Hasan, , F. Lodhi, N. Sharif, N. Ramzan, S.R. Hasan, "Variation Aware Dynamic Digital Phase Detector for Low Latency Clock Domain Crossing", * Circuits, Devices & Systems,*, Vol. 8, No. 1, pp. 58-64, Jan, 2014.

L. Liu, O. Hasan, S. Tahar, "Formal Reasoning about Finite-state Discrete-Time Markov Chains in HOL", * Journal of Computer Science and Technology*, Vol. 28, No. 2, pp. 217-231, Jun, 2013.

N. Abbasi, O.hasan, S. Tahar, "An Approach for Lifetime Reliability Analysis using Theorem Proving", *Journal of Computer and System Sciences*, Vol. 80, No. 2014, pp. 323-345, Mar, 2013.

T.Mhamdi, O. Hasan, S.Tahar, "Formalization of Measure Theory and Lebesgue Integration for Probabilistic Analysis in HOL", *Transactions on Embedded Computing Systems*, Vol. 12, No. 1, pp. 13:1-23, Jan, 2013.

J. Nasir F. Islam, U. Malik, Y. Ayaz, , M. Khan and M. S. Muhammad , O. Hasan, "RRT*-SMART: A rapid convergence implementation of RRT*", *Journal of Advanced Robotic Systems: Robot Motion,*, Vol. 10, No. 299, pp. 1-10, 2013.

Osman Hasan , S. Tahar, "Reasoning about Conditional Probabilities using a Higher-order-Logic Theorem Prover", *Journal of Applied Logic*, Vol. 9, No. 1, pp. 23-40, Mar, 2011.

Osman Hasan, J. Patel and S. Tahar, "Formal Reliability Analysis of Combinational Circuits using Theorem Proving", *Journal of Applied Logic*, Vol. 9, No. 1, pp. 41-60, Mar, 2011.

Osman Hasan, S. Tahar, "Formally Analyzing Expected Time Complexity of Algorithms using Theorem Proving", *Journal of Computer Science and Technology*, Vol. 25, No. 6, pp. 1305-1320, Nov, 2010.

O. Hasan, S. Tahar and N. Abbasi, "Formal Reliability Analysis using Theorem Proving", *IEEE Transactions on Computers*, Vol. 59, No. 5, pp. 579-592, Oct, 2010.

O. Hasan, S. Tahar, "Probabilistic Analysis of Wireless Systems using Theorem Proving", *Electronic Notes in Theoretical Computer Science*, Vol. 242, No. 2, pp. 43-58, Jul, 2009.

O. Hasan, S. Tahar, "Formal Verification of Tail Distribution Bounds in the HOL Theorem Prover", *Mathematical Methods in the Applied Sciences*, Vol. 32, No. 4, pp. 480-504, Mar, 2009.

O. Hasan, S. Tahar, "Performance Analysis and Functional Verification of the Stop-and-Wait Protocol in HOL", *Journal of Automated Reasoning*, Vol. 42, No. 1, pp. 1-33, Jan, 2009.

O. Hasan, S. Tahar, "Using Theorem Proving to Verify Expectation and Variance for Discrete Random Variables", *Journal of Automated Reasoning*, Vol. 41, No. 3-4, pp. 295-323, Dec, 2008.

O. Hasan, S. Tahar, "Formalization of the Standard Uniform Random Variable", *Theoretical Computer Science*, Vol. 382, No. 1, pp. 71-83, May, 2007.

**Conference Papers**

Sarah Shah, Abdul Qahir, Masooma Safeer, , Sana Mazahir, Osman Hasan, "COMFAST: A Comparative Framework for Analysis of Scheduling Techniques in Multi-core Systems", *Proceedings of the 12th Annual IEEE International Systems Conference*, Apr, 2018, Canada.

M. U. Sardar and O. Hasan, "Towards Probabilistic Formal Modeling of Robotic Cell Injection Systems", *Proceedings of the Workshop on Models for Formal Analysis of Real Systems (MARS)*, 2017, Sweden.

W. Ahmed, O. Hasan, "Towards Availability Analysis using Theorem Proving", *Proceedings of the Formal Engineering Methods *, Nov, 2016, Tokyo Japan.

W. Ahmed, O. Hasan, "Formalization of Fault Trees in Higher-order Logic: A Deep Embedding Approach", *Proceedings of the Dependable Software Engineering Theories, Tools and Applications*, Nov, 2016, China.

W. Ahmed, O. Hasan and S. Tahar, "Formal Dependability Modeling and Analysis: A Survey", *Proceedings of the Conferences on Intelligent Computer Mathematics (CICM-2016), *, Jul, 2016, Poland.

J. A. Khan,, U. Pervaiz, H. A. Akbar and O. Hasan, "A Wearable Wireless Sensor for Cardiac Monitoring", *Proceedings of the Body Sensor Networks (BSN-2016), *, Jul, 2016, San Francisco, United States.

S. Mazahir,, O. Hasan, R. Hafiz, M. Shafique, J. Henkel, "An Area-Efficient Consolidated Configurable Error Correction for Approximate Hardware Accelerators", *Proceedings of the Design Automation Conference (DAC-2016), *, Jun, 2016, Austin United States.

M. U. Sardar, N. Afaq, K. A. Hoque, O. Hasan, T. Johnson, "Probabilistic Formal Verification of SATS Concept of Operation", *Proceedings of the NASA Formal Methods (NFM-2016), *, Jun, 2016, Minneapolis United States.

S. Hameed, O. Hasan, "Towards Autonomous Collision Avoidance in Surgical Robots using Image Segmentation and Genetic Algorithms", *Proceedings of the IEEE Region 10 Symposium (TENSYMP-2016), *, May, 2016, Bali Indonesia.

A. Mahmood, , H. Gillani, Y. Ssaleem, O. Hasan and S. Hasan, "Formal Reliability Analysis of Protective Systems in Smart Grids", *Proceedings of the IEEE Region 10 Symposium (TENSYMP-2016), *, May, 2016, Bali Indonesia.

W. Gul, S. R. Hasan, O. Hasan, F. Khalid and F. Awwad, "Synchronously Triggered GALS Design Templates", *Proceedings of the Int'l Symposium on Circuits and Systems (ISCAS-2016)*, May, 2016, Montreal Canada.

S. Iqtedar, O. Hasan, M. Shafique, J. Henkel, "Formal Probabilistic Analysis of Distributed Resource Management Schemes in On-Chip Systems", *Proceedings of the Design, Automation and Test in Europe*, 2016, Germany.

F. K. Lodhi, I. Abbasi, F. Khalid, O. Hasan, F. Awwad and S. R. Hasan, "A Self-learning Framework to Detect the Intruded Integrated Circuits", *Proceedings of the Int'l Symposium on Circuits and Systems*, 2016, Canada.

F. Arshad, H. Mehmood, F. Raza and O. Hasan, "g-HOL - A Graphical User Interface for the HOL Proof Assistant", *Proceedings of the Formal Techniques for Safety-Critical Systems*, pp. 1–5, 2016, France.

M. Nouman, U. Pervez, O. Hasan and K. Saghar, "Software Testing: A Survey and Tutorial on White and Black-box Testing of C/C++ Programs", *Proceedings of the IEEE Region 10 Symposium (TENSYMP-2016), *, 2016, Bali Indonesia.

A. Rashid, O. Hasan, "On the Formalization of Fourier Transforms in Higher-order Logic", *Proceedings of the Interactive Theorem Proving (ITP-16), *, 2016, Nancy France.

[34] A. Athar, A. M. Zafar, R. Asif, A. A. Khan, F. Islam, Y. Ayaz, O. Hasan, "Whole-Body Motion Planning for Humanoid Robots with Heuristic Search", *Proceedings of the Intelligent Robots and Systems (IROS-2016)*, 2016, Daejeon South Korea.

W. Ahmed, O. Hasan and S. Tahar, "Formal Reliability Analysis of Wireless Sensor Network Data Transport Protocols using HOL ", *Proceedings of the Wireless and Mobile Computing, Networking and Communications (WiMOB-15)*, pp. 225-232, Oct, 2015, Abu Dhabi United Arab Emirates.

O. Hasan, U. Sanwal, "Formally Analyzing Continuous Aspects of Cyber-Physical Systems modeled by Homogeneous Linear Differential Equations", *Proceedings of the Design, Modeling and Evaluation of Cyber Physical Systems (CyPhy-15)*, pp. 132-146, Oct, 2015, Netherlands.

M. Ahmad and O. Hasan, "Formal Analysis of Steady State Errors in Feedback Control Systems using HOL-Light", *Proceedings of the International Workshop on. Formal Methods for Industrial Critical Systems *, Sep, 2015, Florence Italy.

W. Ahmed, O. Hasan, "Towards Formal Fault Tree Analysis using Theorem Proving", *Proceedings of the IEEE International Conference on EnaConferences on Intelligent Computer Mathematics (CICM-2015)*, Aug, 2015, United States.

U. Siddique, O. Hasan, and S. Tahar, "Towards the Formalization of Fractional Calculus in Higher-order Logic", *Proceedings of the Conferences on Intelligent Computer Mathematics (CICM-2015)*, Jul, 2015, United States.

S. Iqtedar, O. Hasan, M. Shafique, J. Henkel, "Probabilistic Formal Verification Methodology for Decentralized Thermal Management in On-Chip Systems", *Proceedings of the IEEE International Conference on Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE-2015)*, Jun, 2015, Cyprus.

U. Siddique, O. Hasan, and S. Tahar, "Formal Modeling and Verification of Integrated Photonic Systems", *Proceedings of the International Systems Conference (SysCON-2015)*, Apr, 2015, Canada.

W. Ahmed, O. Hasan and S. Tahar, "Towards Formal Reliability Analysis of Logistics Service Supply Chains using Theorem Proving", *Proceedings of the Implementation of Logics (IWIL 2015)*, 2015, Fiji.

A. Rashid, O. Hasan and K. Saghar, "Formal Analysis of a ZigBee-based Routing Protocol for Smart Grids using UPPAAL", *Proceedings of the High-Capacity Optical Networks and Enabling/Emerging Technologies*, 2015, Pakistan.

U. Pervez, O. Hasan, K. Latif, S. Tahar, A. Gawanmeh and M. Hamdi, "Formal Reliability Analysis of a Typical FHIR Standard based E-Health System using PRISM", *Proceedings of the International Conference on e-Health Networking, Applications and Services*, pp. 43-48, 2015, Brazil.

S. Ahmad, O. Hasan, U. Siddique and S. Tahar, "Formalization of Z-Syntax to reason about Molecular Pathways in HOL4", *Proceedings of the Brazilian Symposium on Formal Methods (SBMF-2014)*, pp. 32-47, 2015, Brazil.

M. S. Khan, A. A. Awan, F. Islam, Y. Ayaz and O. Hasan, "Safe Radius based Motion Planning of Hexapod using RRT-Connect", *Proceedings of the Information and Automation *, pp. 415-418, 2015, China.

U. Pervez, A. Mehmood, O. Hasan, K. Latif, and A. Gawanmeh, "Formal Reliability Analysis of Device Interoperability Middleware (DIM) based E-Health System using PRISM", *Proceedings of the IEEE International Conference on e-Health Networking, Applications and Services*, 2015, United States.

F.K. Lodhi, S.H. Rafay, O.Hasan and F. Awwad, "Formal Analysis of Macro Synchronous Micro Asychronous Pipeline for Hardware Trojan Detection", *Proceedings of the NORCHIP 2015*, 2015, Norway.

S.A.A. Bukhari, F. K. Lodhi, O. Hasan, M.Shafique and J.Henkel, "Formal Verification of Distributed Task Migration for Thermal Management in On-chip Multi-core Systems using nuXmv", *Proceedings of the International Workshop on Formal Techniques for Safety-Critical Systems (FTSCS 2014)*, Nov, 2014, Luxembourg.

A. Zaman and O. Hasan, "Formal Verification of Circuit-Switched Network on Chip (NoC)", *Proceedings of the International Symposium on System-on-Chip (ISSoC-2014)*, Oct, 2014, Pakistan.

[33] O. Hasan, W. Ahmed, S. Tahar and M. S. Hamdi, "Reliability Block Diagrams based Analysis: A Survey", *Proceedings of the International Conference of Numerical Analysis and Applied Maths (ICNAAM-14),*, pp. 850129, Sep, 2014, Rhodes Greece.

W. Gul, S.R. Hasan and O. Hasan, "Yield Aware Inter-logic-layer Communication in 3-D ICs: Some Early Design Stage Recommendations", *Proceedings of the International Midwest Symposium on Circuits and Systems (MWSCAS)*, pp. 222 – 225, Aug, 2014, United States.

F. K. Lodhi, O. Hasan, S. R. Hasan and F. Awwad, "Low Power Soft Error Tolerant Macro Synchronous Micro Asynchronous (MSMA) Pipeline", *Proceedings of the IEEE Computer Society Annual Symposium on VLSI (ISVLSI 2014)*, pp. 601 – 606, Jul, 2014, United States.

W. Ahmed, O. Hasan, S. Tahar, M. S. Hamdi, "Towards the Formal Reliability Analysis of Oil and Gas Pipelines", *Proceedings of the Conferences on Intelligent Computer Mathematics*, pp. 30–44, Jun, 2014, Portugal.

S. Ahmad, O. Hasan and U. Siddique, "Towards Formal Reasoning about Molecular Pathways in HOL", *Proceedings of the IEEE International Conference on Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE)*, pp. 378 – 383, Jun, 2014, Parma Italy.

W. Gul, S.R. Hasan and O. Hasan, "Clock Domain Crossing (CDC) for Inter-logic-layer Communication in 3-D ICs", *Proceedings of the IEEE International Northeastern Workshop on Circuits and Systems (NEWCAS)*, Jun, 2014, Trois-Rivicres Canada.

S. Iqtedar, O. Hasan, M. Shafique, J. Henkel, " Formal Probabilistic Analysis of Distributed Dynamic Thermal Management", *Proceedings of the Design, Automation & Test in Europe Conference (DATE-2015)*, Mar, 2014, Grenoble France.

F. K. Lodhi, O. Hasan, S. R. Hasan and F. Awwad, "Hardware Trojan detection in soft error tolerant macro synchronous micro asynchronous (MSMA) pipeline,", *Proceedings of the IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2014)*, pp. 659 – 662, 2014, United States.

A.H. Qureshi, S. Mumtaz, K. F.Iqbal, Y. Ayaz, F. Ahmad, M.S. Muhammad, O. Hasan, W.Y. Kim, M. Ra, "Triangular Geometry based Optimal Motion Planning using RRT*-Motion Planne", *Proceedings of the Advanced Motion Control (AMC)-2014*, pp. 380-385, 2014, Japan.

H. Taqdees, O. Hasan, "Formalization of Laplace Transform Using the Multivariate Calculus Theory of HOL-Light", *Proceedings of the Logic for Programing Artificial Intelligence and Reasoning (LPAR 2013)*, pp. 744-758, Dec, 2013, Stellenbosch South Africa.

O. Hasan, A.H. Qureshi, S. Mumtaz, K. F.Iqbal, A. Badar, Y. Ayaz, F. Ahmad, M.S. Muhammad, W.Y. Kim and M. Ra, "Adaptive Potential guided directional-RRT*", *Proceedings of the Robotics and Biomimetics (ROBIO-2013)*, pp. 1887-1892, Dec, 2013, China.

M. Binyameen, O. Hasan, S. Iqbal, "Formal Kinematic Analysis of the Two-Link Planar Manipulator", *Proceedings of the International Conference on Formal Engineering Methods (ICFEM-2013)*, pp. 348–363, Oct, 2013, New Zealand.

O. Hasan, M. Ahmad, "Formal Analysis of Steady State Errors in Feedback Control Systems using HOL-Light", *Proceedings of the Design, Automation and Test in Europe (DATE-2013)*, pp. 1423-1426, Mar, 2013, Grenoble France.

U. Mushtaq, o. Hasan, F. Awwad, "PNOC: Implementation on Verilog for FPGA", *Proceedings of the International Conference on Innovations in Information Technology (IIT-2013)*, pp. 148-151, 2013, Al-Ain United Arab Emirates.

M. Usman, o. Hasan, "Formal Verification of Cyber-Physical Systems: Coping with Continuous Elements", *Proceedings of the Computational Science and Its Applications (ICCSA-13)*, pp. 358–371, 2013, Vietnam.

A. MAshkoor, O. hasan, B. Wolfgang, "Using Probabilistic Analysis for the Certification of Machine Control Systems", *Proceedings of the Security and Cognitive Informatics in Homeland Defense (SeCIHD 2013)*, pp. 305-320, 2013, Germany.

A. Khurram, H. Ali, A. Tariq, O. Hasan, "Formal Reliability Analysis of Protective Relays in Power Distribution Systems", *Proceedings of the Formal Methods for Industrial Critical Systems (FMICS-2013)*, pp. 169–183, 2013, Spain.

M. Ismail, O. Hasan, T. Ebi, M. Shafique,J. henkel, "Formal Verification of Distributed Dynamic Thermal Management", *Proceedings of the International Conference on Computer-Aided Design (ICCAD-2013)*, 2013, United States.

S.H. Taqdees, O. Hasan, "Formal Verification of Continuous Models of Analog Circuits", *Proceedings of the Frontiers in Analog CAD (FAC-2013)*, 2013, Berkeley United States.

N. Saeed A. Inam, A. Khan , "V-HOLT Verifier: An Automatic Formal Verification Tool for Combinational Circuits", *Proceedings of the International Mutitopic Conference (INMIC-12)*, Dec, 2012, Islamabad Pakistan.

G. Helali S. Tahar , O.Hasan, "Formal Verification of the Heavy Hitter Problem", *Proceedings of the Canadian Conference on Electrical and Computer Engineering (CCECE12)*, 2012, Montreal Canada.

O. Hasan, A. Mashkoor , "Formal Probabilistic Analysis of Cyber-Physical Transportation Systems", *Proceedings of the International Conference on Computational Science and Its Applications (ICCSA 2012)*, pp. 419-434, 2012, Brazil.

O. Hasan, F. Islam J. Nasir, U. Malik, Y. Ayaz, "RRT*-Smart: Rapid Convergence Implementation of RRT* Towards Optimal Solution", *Proceedings of the International Conference on Mechatronics and Robotics (ICMA 2012)*, pp. 1651-1656, 2012, China.

O. Hasan, F. K. Lodhi S. R. HasanF. Awwad, "Modified Null Convention Logic Pipeline to Detect Soft Errors in Both Null and Data Phase", *Proceedings of the International Midwest Symposium on Circuits and Systems (MWCAS 2012)*, pp. 402-405, 2012, United States.

O. Hasan, U. Siddiqui, "Analysis Techniques for Fractional Order Systems: A Survey", *Proceedings of the International Conference of Numerical Analysis and Applied Maths (ICNAAM-12)*, pp. 2106-2109, 2012, Greece.

O. Hasan, T. Mhamdi, S. Tahar, "Quantitative Analysis of Information Flow using Theorem Proving", *Proceedings of the International Conference on Formal Engineering Methods (ICFEM-12)*, pp. 119-134, 2012, Japan.

t. mhamdi, o. hasan, s. tahar, "Formalization of Entropy Measures in HOL", *Proceedings of the Interactive Theorem Proving (ITP)*, pp. 233-248, Aug, 2011, Berg en Dal Netherlands.

Osman Hasan, N. Abbasi, S. Tahar, "Formal Lifetime Reliability Analysis Using Continuous Random Variables", *Proceedings of the Logic, Language, Information and Computation (WOLLIC-10)*, No. Lecture Notes in Com, pp. 84-97, Jul, 2010, Brasília Brazil.

Osman Hasan, T. Mhamdi, S. Tahar, "On the Formalization of the Lebesgue Integration Theory in HOL", *Proceedings of the Interactive Theorem Proving (ITP-10)*, No. Lecture Notes in Com, pp. 387-402, Jul, 2010, Edinburgh United Kingdom.

Osman Hasan, F. Lodhi, N. Ramzan, "Towards Precise, Scalable and Automatic Analysis of Analog and Mixed Signal Circuits", *Proceedings of the Int'l Conference on Information and Emerging Technologies (ICIET-10)*, pp. 1-6, Jun, 2010, Karachi Pakistan.

Osman Hasan, F. Hijaz, N. Afzal, T. Ahmad, "Survey of Fall Detection and Daily Activity Monitoring Techniques", *Proceedings of the Int'l. Conference on Information and Emerging Technologies (ICIET-10)*, pp. 1-6, Jun, 2010, Karachi Pakistan.

Osman Hasan, J. Patel, and S. Tahar, "On the Accurate Reliability Analysis of Combinational Circuits Using Theorem Proving", *Proceedings of the International NortheasternInt'l. Workshop on Circuits and Systems (NEWCAS-10)*, pp. 273 - 276, Jun, 2010, Montreal, Quebec Canada.

Osman Hasan, J.B. Hassan, T. Sadani and S. Tahar, "Performance Analysis of Real-Time Rewriting Models", *Proceedings of the Computer Systems and Applications (AICCSA-10)*, pp. 1 - 8 , May, 2010, Hammamet Tunisia.

Osman Hasan, S. Tahar, "Formal Probabilistic Analysis: A Higher-OrderLogic Based Approach", *Proceedings of the ASM, Alloy, B and Z (ABZ-2010)*, No. Lecture Notes in Com, pp. 2-19, Feb, 2010, Orford, Québec, Canada.

Osman Hasan, N. Abbasi, B. Akbarpour, S. Tahar, and R. Akbarpour:, "Formal Reasoning about Expectation Properties for Continuous Random Variables", *Proceedings of the Formal Methods (FM'09)*, No. Lecture Notes in Com, pp. 435-450, Nov, 2009, Eindhoven Netherlands.

Osman Hasan, S.K. Afshar, S. Tahar, "Formal Analysis of Optical Waveguides in HOL", *Proceedings of the Theorem Proving in Higher-Order Logics (TPHOLs'09)*, No. Lecture Notes in Com, pp. 228-243, Aug, 2009, Munich Germany.

Osman Hasan, N. Abbasi and S. Tahar, "Formal Probabilistic Analysis of Stuck-at Faults in Reconfigurable Memory Arrays", *Proceedings of the Integrated Formal Methods (IFM-09)*, No. Lecture Notes in Com, pp. 277-291, Feb, 2009, Düsseldorf Germany.

Osman Hasan, S. Tahar, "Performance Analysis of Wireless Systems using Theorem Proving", *Proceedings of the Formal Methods for Wireless Systems (FMWS-08)*, pp. 3-18, Aug, 2008, Toronto, Ontario Canada.

Osman Hasan, S. Tahar, "Performance Analysis of ARQ Protocols using a Theorem Prover", *Proceedings of the Int'l Symposium on Performance Analysis of Systems and Software (ISPASS'08)*, pp. 85-94, Apr, 2008, Austin, Texas United States.

Osman Hasan, S. Tahar, "Verification of Tail Distribution Bounds in a Theorem Prover", *Proceedings of the Numerical Analysis and Applied Mathematics (ICNAAM-07)*, No. 936, pp. 259-262, Sep, 2007, Corfu Greece.

Osman Hasan, S. Tahar, "Verification of Expectation Properties for Discrete Random Variables in HOL", *Proceedings of the Theorem Proving in Higher-Order Logics (TPHOLs-07)*, No. Lecture Notes in Com, pp. 119-134, Sep, 2007, Kaiserslautern Germany.

Osman Hasan, S. Kort, "Automated Formal Synthesis of Wallace Tree Multipliers", *Proceedings of the Int'l Midwest Symposium on Circuits & Systems (MWSCAS-07)*, pp. 293 – 296, Aug, 2007, Montreal Canada.

Osman Hasan, S. Tahar, "Verification of Probabilistic Properties in the HOL Theorem Prover", *Proceedings of the Integrated Formal Methods (IFM-07)*, No. 4591, pp. 333-352, Jun, 2007, Oxford, UK United Kingdom.

Osman Hasan, S. Tahar, "Formalization of Continuous Probability Distributions", *Proceedings of the Automated Deduction (CADE-21)*, No. Lecture Notes in Com, pp. 2-18, Jun, 2007, Bremen Germany.

**Books/Chapters Published**

[Book]O. Hasan, S. Tahar, "Formalized Probability Theory and Applications using Theorem Proving. ", *IGI Global Pub.*, ISBN 9781466683150, Mar, 2015.

[Chapter]M. Zaki, O. Hasan, S. Tahar and G. Al-Sammane, "Framework for Formally Verifying Analog and Mixed Signal Designs,Computational Intelligence in Analog?and Mixed-Signal (AMS) and Radio-Frequency (RF) Circuit Design", *Springer*, ISBN 978-3-319-19871-2, 2015.

[Chapter]O. Hasan and S. Tahar, "Formal Verification Methods", *IGI Global*, ISBN 9781466658882, Aug, 2014.

[Chapter]S. Nisar and O. Hasan, "Telesurgical Robotics", *IGI Global*, ISBN 9781466658882, Aug, 2014.

[Chapter]N. Abbasi, O. Hasan, S. Tahar, "Formal Reliability Analysis of Engineering Systems", *IGI Global Pub.*, ISBN 9781466647893, Nov, 2013.

[Chapter]O. Hasan, S. Tahar, "Formal Reliability Analysis of Embedded Computing SystemsO. ", *IGI Global Pub.*, ISBN 978-1466639225, Jun, 2013.

[Chapter]Osman Hasan, S. Tahar, "Reconfigurable Embedded Control Systems: Applications for Flexibility and Agility/Formal Analysis of Real-Time Systems", *IGI Global*, Vol. 1, Ed. 1, ISBN 9781609600860, Mar, 2011.

**Patents**

Slip Ring Device with Hollow inner Core, S. Nisar, O.Hasan, IPO Pakistan, Patent 829/2012, issued Dec 06, 2012
Mechanical Interface for Virtual Laparoscopic Surgical Simulator, S.T. Hasan, S. Nisar and O.Hasan , IPO, Patent 773/2012, issued Nov 06, 2012
Human Activity Monitoring and Fall Detection Device, [55] O. Hasan and N. Afzal, IPO Pakistan, Patent 192/2011, issued Jul 14, 2011