Portrait of Dr. Zhen LIU.

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The Institute of Applied Optimization welcomes Dr. Zhize Wu [吴志泽], who today has officially joined our team as researcher. Before joining our institute, he finished his PhD research at the School of Computer Science and Technology [计算机科学与技术学院] of the University of Science and Technology of China (USTC) [中国科学技术大学]. Dr. Wu is an expert in Machine Learning, especially in advanced image processing, image classification, image representation, image retrieval, action recognition, and neural networks.

We are very happy to have Dr. Wu in our team and look forward to working together on many interesting applications of optimization methods.

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Our group warmly congratulates our Master's student Qi Qi [齐琪] at the University of Science and Technology of China (USTC) [中国科学技术大学], who completer her Master's degree in Computer Science. Ms. Qi has been an outstanding student supervised by Prof. Dr. Thomas Weise. She has significantly contributed to our Optimization Benchmarking project and also has given two conference reports, at GECCO 2017 and ICACI 2018. Ms. Qi will now join the group of Prof. Tianbao Yang at the University of Iowa in Iowa City, Iowa, USA. We wish her all the best for her future career and pursuit of a PhD degree.

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Prof. Dr. Rolf H. Möhring from the Fachgebiet Kombinatorische Optimierung und Graphenalgorithmen (COGA) of the Institut für Mathematik at the Technische Universität Berlin (TUB) in Berlin, Germany, visited visited our institute from June 5 to 8, 2018. He presented his research talk "Dynamic Network Routing: Meeting the Challenge of Complex Traffic and Transportation Tasks" on Wednesday, June 6, 2018, at 09:30 AM in the Meeting Room of the Faculty of Computer Science and Technology of Hefei University [合肥学院] Building 36, 3rd Floor, Room 305 [合肥学院 计算机科学与技术系 合肥市 230601蜀山区 经济技术开发区 南2区/南艳湖校区 锦绣大道99号 36栋 305会议室]. The talk was open to all interested audience and very well attended. Here you can find the slides of the talk and here the poster.

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Our Institute warmly welcomes our distinguished guest Prof. Dr. Rolf H. Möhring from the Fachgebiet Kombinatorische Optimierung und Graphenalgorithmen (COGA) of the Institut für Mathematik at the Technische Universität Berlin (TUB) in Berlin, Germany. Prof. Möhring will stay with us for a short research visit from June 5 to 8, 2018. During his stay, he gave the research talk on "Dynamic Network Routing: Meeting the Challenge of Complex Traffic and Transportation Tasks" and conducted joint research with our Dr. Zijun Wu.

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R is a powerful and efficient programming language for statistics, modeling, and data mining. Here I want to provide a quick note on the question "How do I get the name of a function in R?".

Consider the scenario where you write a function myFun in the form of <- function(f) { … } that accepts another function f as parameter and computes something. Maybe your computation takes a lot of time, so you want to output some logging information which contains the name of the function f as well, so the reader can see what is going on. Or maybe you want to generate a report with the results from several functions, so you want the "function names" to be the section titles of the report. Getting the name of a function (or any object) in R is actually quite tricky. Here I discuss a working approach.

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