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ICAMCB Past Events

Wednesday, 6 March 2019

Title: “Improved Neighbourhood Search-Based Methods for Graph Layout”  

Speaker: Fadi Dib (Department of Computer Science, GUST)

Abstract:

“Graph drawing, or the automatic layout of graphs, is a challenging problem. There are several search based methods for graph drawing which are based on optimizing an objective function which is formed from a weighted sum of multiple criteria. In this talk, we present a new neighbourhood search method based on tabu search coupled with path relinking to optimize such objective functions for general graph layouts with undirected straight lines. Tabu search uses a memory list to speed up searching by avoiding previously tested solutions, while the path relinking method generates new solutions by exploring paths that connect high quality solutions. We use path relinking periodically within the tabu search procedure to speed up the identification of good solutions. Our proposed method was evaluated against the commonly used neighbourhood search optimization techniques: hill climbing and simulated annealing. We show that our method outperforms both hill climbing and simulated annealing by producing a better layout in a lower number of evaluated solutions. In addition, we demonstrate that our method has greater scalability as it can layout larger graphs than the state-of-the-art neighbourhood search methods.”

Wednesday, 23 January 2019

Title: “Beyond ordinary numbers: Quaternions and Applications"

Speaker: Dr. Michael Aristidou

      Assistant Professor

      American University of Kuwait.

Abstract:

The real numbers are 1-dimensional creatures. Are there numbers in higher dimensions? We introduce some higher dimensional numbers, called quaternions, and present their history, basic algebra and properties. We also present some of their applications in Computer Science (3-d animations) and Molecular Biology (protein structure). We conclude with some project ideas, some of which are suitable for students.

Wednesday, 12 December 2018

Title: Introduction to Mathematical Ecology

Speaker: Dr. Danish Ahmed (Department of Mathematics & NS, GUST)

Wednesday, 7 November 2018

Title: Functional Materials Group at GUST: A Quinquennial Summary 

Speaker: Dr. Bassam Alameddine (Department of Mathematics & NS, GUST)

Monday, 25 June 2018 to Wednesday, 27 June 2018

Title: Advanced Numerical Method for Engineers and Scientists: Development, Analysis, and Implementation Challenges

Speaker:

Dr. Mahboub Baccouch

Associate Professor

Department of Mathematics

University of Nebraska at Omaha, USA.

 

Topics:

The main topics to be discussed in this workshop are the following:

  1. Why Discontinuous Galerkin (DG) Methods? Motivation and Challenges.
  2. Overview of the main features of DG method:
  3. Implementation, Stability, Convergence.
  4. Superconvergence results.
  5. A posteriori error estimation.
  6. Adaptive mesh refinement.
  7. The DG method for ordinary differential equations.
  8. The DG method for partial differential equations (heat equation, wave equation, KdV equation, beam equation, ...)
  9. Some open problems and future research directions.

 

Program:

Attachment

 

Supported by:

 

 

Thursday, 3 May 2018

Title: Characterization of Novel Anti-Programmed Cell Death Human cDNA Sequences in Saccharomyces cerevisiae.

Speaker:

Dr. Rawan Eid (recent PhD graduate from Queen’s University),

Postdoctoral researcher,

Department of Biology,

Kuwait University.

 

Abstract 

Various factors lead a cell to initiate genetically encoded forms of programmed cell death (PCD). PCD occurs as part of normal cellular processes such as homeostasis, aging, and development as well as in pathological situations such as ischemic events and Parkinson’s disease. In addition, a variety of stressors including chemicals (i.e., heavy metals), physical changes (i.e., temperature) as well as cellular damage (i.e., DNA damage) can induce PCD. Deficiencies in PCD are linked to other types of pathologies such as cancer. Ability to regulate PCD would thus have tremendous therapeutic applications. In my work, the yeast, Saccharomyces cerevisiae, was used to characterize novel negative regulators of PCD that were previously identified by screening a human heart cDNA expression library in yeast cells undergoing PCD in response to the expression of a pro-apoptotic murine Bax cDNA. My work focused on characterizing four of these human putative anti-apoptotic cDNA sequences, namely lactate dehydrogenase B (LDHB), thyroid cancer–1 (TC-1), 14-3-3β/α (YWHAB) and human ferritin (FTH1). Using spot assay and cell viability assays, I was able to show that these cDNA sequences prevent cell death due to multiple stresses including copper. In order to further examine the functions of anti-apoptotic genes in yeast, we challenged yeast heterologously expressing 14-3-3β/α with multiple stresses. The studies showed that iron and copper activate two different pathways that cross-talk in order to activate the appropriate stress specific response.

Monday, 9 April 2018

Title: Recent developments in modelling, analysis and control of vibrations in oil and gas drilling equipment.

Speaker:

Prof. Ahmet Yigit,

Department of Mechanical Engineering,

Kuwait University.

Wednesday, 14 February 2018

Title:  “An Accurate Iterative Finite Difference Method for Solving the Nonlinear Troesch’s Problem”

Dr. Mohamed Ben-Romdhane

Department of Mathematics and Natural Sciences

Gulf University for Science and Technology.

Date: Wednesday, February 14th 2018

Time: 12:30 pm

Location: W4-103

Wednesday, 6 December 2017

Title: “Modeling Transmission Dynamics of Influenza: Some Models and Challenges”

Dr. Mudassar Imran

Department of Mathematics and Natural Sciences

Gulf University for Science and Technology.

Date: Wednesday, December 6th 2017

Time: 12:30 pm

Location: W4-103

Wednesday, 25 October 2017

Title: “National Security of the Water-Energy-Food Nexus: A Dynamical Systems Modeling Framework for Policy Evaluation and Recommendation”

Dr. Mohamed Yassine

Department of Mathematics and Natural Sciences

Gulf University for Science and Technology.

Date: Wednesday, October 25th 2017

Time: 12:30 pm

Location: W4-103

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