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HELLO, I'M

Addisu W. Paulos

Dallas Texas, USA.

Citrus Fruits
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Addisu W. Paulos

Addis Ababa University

Department of Mathematics

addisu.wmeskel@aau.edu.et

addisu_2004@yahoo.com

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About
Education & Experience

Research Papers and Publications

  1. The Minimum Number of 4-Cycles in a Maximal Planar Graph with Small Number of Vertices.  E. GyÅ‘ri, A. Paulos, O. Zamora. Bulletin of the Iranian Mathematical Society, 49(2023). https://doi.org/10.1007/s41980-023-00807-2.

  2. On the Halin Tur´an number of short cycles. Addisu Paulos. arXiv:2305.08331v, 2023. (submitted)

  3. On the rainbow planar Turán number of paths. E. GyÅ‘ri, R. R. Martin, A. Paulos, C. Tompkins, K. Varga. arXiv:2301.10393, 2023. (submitted)

  4. Planar  Turán number of double stars:  D. Ghosh, E. GyÅ‘ri, A. Paulos, C. Xiao: arXiv:2110.10515, 2021. (submitted)

  5. Generalized outerplanar Turán number of short paths: E. GyÅ‘ri, A. Paulos, C. Xiao: Discrete mathematics, 2021.  https://doi.org/10.1016/j.disc.2022.113205.

  6. Planar Turán number of C_6:  D. Ghosh, GyÅ‘ri, A. Paulos, R. R. Martin, C. Xiao: SIAM Journal on Discrete Mathematics, 36(2022). https://doi.org/10.1137/21M140657X ,2020.

  7. The maximum number of induced C_5’s in a planar graph: D. Ghosh, E. GyÅ‘ri, O. Janzer, A. Paulos, N. Salia, O. Zamora: Journal of graph theory, 2021. https://doi.org/10.1002/jgt.22745. 

  8. Planar Turán number of \Theta_6:  D. Ghosh, GyÅ‘ri, A. Paulos, C. Xiao, O. Zamora: arXiv:2006.00994, 2020. (Accepted for publication) 

  9. Generalized planar Turán number: E. GyÅ‘ri, A. Paulos, N. Salia, C. Tompkins, O. Zamora: The Electronic Journal of Combinatorics, https://doi.org/10.37236/9603, 2019. 

  10. Wiener index of quadrangulation graph: E. GyÅ‘ri, A. Paulos, C. Xiao: Discrete applied mathematics, https://doi.org/10.1016/j.dam.2020.11.016. 

  11. The maximum Number of Paths of Length four in a Planar Graphs: D. Ghosh, E. Győri, R. R. Martin, A. Paulos, N. Salia, C. Xiao, O. Zamora: Discrete mathematics, 2021. https://doi.org/10.1016/j.disc.2021.112317.

  12. The maximum Number of Paths of Length Three in a Planar Graphs: E. GyÅ‘ri, A. Paulos, N. Salia, C. Tompkins, O. Zamora: Journal of graph theory, 2021. https://doi.org/10.1002/jgt.22836. 

  13. The Maximum Number of Pentagons in a Planar Graph: E. GyÅ‘ri, A. Paulos, N. Salia, C. Tompkins, O. Zamora: arXiv:1909.13532v1, 2019. 

  14. Wiener Index of Maximal Planar Graphs: D. Ghosh, E. GyÅ‘ri, A. Paulos, N. Salia, O. Zamora: Journal of Combinatorial Optimization, https://doi.org/10.1007/s10878-020-00655-4, 2019 

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Conferences, Achievements, Workshops and Seminar Talks

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  1. Awarded Global Teaching Fellowship Program (GTFP): January 2023.

  2. Dr. Fikre Bogale's internal Ph.D. dissertation examiner.  May , 2022.

  3. Awarded Global Teaching Fellowship Program (GTFP): August 2022

  4. A survey on extremal planar graph problems:  Renyi institute of mathematics, November 3, 2022, Combinatorics Seminar. slides are here       Video link here

  5. Research problems on intersection of longest path, and longest path centers: Addis Ababa University, Addis Ababa, Ethiopia: February 11,2022.

  6. A survey on extremal planar graph problems:  Addis Ababa University, department of mathematics, Addis Ababa, Ethiopia: January 13, 2022.  slides are here

  7. The maximum number of paths of length three in a planar graph: presented in EuroComb 2021, Barcelona, Spain. slides are here

  8. Number of Pentagons in a Planar graphs: E. Győri et al. Presented during graph theory seminar, October 2020, Renyi Institute, Budapest, Hungary.

  9. Completed Ph.D. with the highest possible honoring rank, Summa Cum Laude. November, 2021.

  10. 10th Emlektabla Workshop: September, 2022, Renyi Institute, Budapest, Hungary.  https://users.renyi.hu/~emlektab/emlektabla10problems.pdf

  11. Wiener Index of Maximal Planar Graphs: D. Ghosh et.al.:  Presented during Combinatorics Seminar, November 7, 2019, Renyi Institute, Budapest, Hungary 

  12. Maximum number of paths of length three in a Planar Graphs: E. GyÅ‘ri et. al.: Presented during Extremal Set Theory seminar, October 2019, Renyi Institute, Budapest, Hungary 

  13. A New Approach Towards a Conjecture on Intersecting Three Longest Paths: Shinya Fujita et al.: Presented during Extremal Set Theory seminar, March 2018, Renyi Institute, Budapest, Hungary 

  14. Intersecting longest paths: Susan F. de Rezende et al.: Presented during Graph Theory seminar, November 2018, Renyi Institute, Budapest, Hungary 

Books and Files 

  1. University Mathematics II: Addisu W/Meskel, Bizuneh Minda, Getachew Bitew, Temesgen Alemu, Tilahun Esayiyas, International Leadership Institute Printing Press,  2017.  preview is here

  2. University Mathematics I: Addisu W/Meskel, Bizuneh Minda, Getachew Bitew, Temesgen Alemu, Tilahun Esayiyas, International Leadership Institute Printing Press,  2016.  preview is here

  3. Generalized outerplanar Turan number of short paths:  Presented in the 11th International Colloquium on Graph Theory and Combinatorics Montpellier, France. slides are here

  4. Extremal planar graph problems and Wiener index of planar graphs, thesis defense presentation slides.  slides are here

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Recently Accepted Papers for Publication

  1.  Generalized outerplanar Turán number of short paths: E. GyÅ‘ri, A. Paulos, C. Xiao:    Discrete mathematics.  Arxiv version 

  2. Planar Turán number of \Theta_6:  D. Ghosh, GyÅ‘ri, A. Paulos, C. Xiao, O. Zamora: Studia Scientiarum Mathematicarum Hungarica Combinatorics. Arxiv version

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Recent Activities

  1.  Research visit at Iowa State University, Department of Mathematics, Iowa, USA: November 11-16, 2022. Hosting Professor : Ryan R. Martin,  Scott Hanna Professor of Mathematics at Iowa State University.

  2. Extremal graph theory,  problem solving class at Eötvös Loránd University, Budapest, Hungary: Every Wednesday 12:00-14:00, Room 231(Kémia épület). 

  3. Research project on extremal  combinatorics :  Alfréd Rényi Institute of Mathematics, every Monday  at 13:00(Doggy room).

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