Cand.scient (M.Sc), Astronomy
Dissertation entitled "The initial value problem of General Relativity" .
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Nina Jansen
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Dissertation entitled "The initial value problem of General Relativity" .
Dissertation entitled "Studies in Numerical Relativity"
Research: Studying the
initial value problem of general relativity and the implementation of
adaptive mesh refinement techniques in numerical relativity.
Teaching: Teaching assistant in Computer
Physics, Astronomical Observatory, University of Copenhagen, fall 1999,
2000 and 2001. Responsible for Astronomy Exercise 4, Astronomical Observatory,
University of Copenhagen, a two week exercise in Relativistic Astrophysics.
Outreach: Responsible for the astronomy workshop for
"HCØ-dage", a three day program for high school students interested
in studying science, fall 1999 and 2000. I have given lectures about
black holes at "Folkeuniversitetet" and for classes of high school
students. Participated in a TV program about black holes, wormholes
and time-machines.
Courses and schools: During my master's and ph.d. education I have
taken courses on the following subjects: Cosmology, Relativistic Astrophysics,
Stellar Structure and Evolution, Galaxy Formation and Evolution, Large
Scale Structure of the Universe, General Relativity, Physics of Black Holes
and Numerical Methods (using MHD-related problems as examples). In the
summer of 1999 I participated in the "Computing Our Universe" Summer School
at the University of Massachusetts, Amherst.
Research: code development, visualization, implementation and testing evolution systems and mesh
refinement techniques for Numerical Relativity.
Outreach: Participated in MathFest, 2002, an event where
girls in 8-10th grade interested in science could come to Penn State
and learn about many scientific disciplines. Participated in Space Day
2003, a day of exhibitions and activities for children of all ages.
Research: Worked on the HAD code, a code for combining fluid dynamics and numerical relativity.
During this period I was stationed at Metropol Online A/S, which develops website for one of the major Danish media conglomorates ("Det Berlingske Officin"). Their systems are developed on a Linux/Apache/mod_perl/Oracle platform. Most of the online newspapers are now migrated to Saxotech Online Systems platform, a process that I was also involved in.
Projects:
Contracts:
June 18th to july 31st 2007: Worked a Telia. Wokred on Telias self-developed cms system. The system uses xml and xslt. Perl code glues it all together. Parts of the system is based on Perl catalyst.
August 31st 2007 to January 31st 2008: Developed Sirpa for "Dansk Biblioteks Center" Sirpa is a kiosk app that displays informations on big screens at libraries about books, local events, film, history or anything else of interest to library goers. When I started the project noone has a clear idea of what the app should do, so I had a very free hand in deciding what features to implement and how to make the system work. I developed the backend in CakePHP as I couldn't talk them into using Ruby on Rails. The system is now in use in libraries all over Denmark.
February 1st to September 30th 2008: I have worked on and recently launched my own application. I have some buniess partners who have back me up financially. The application can be seen at http://proindx.dk. The site is a place for businesses to meet consultants. As opposed to other similar boards, my app takes a social networking approach to the task, and consultants can display who they know and have worked for on their profiles. I use similarity algorithms to compute which candidates/contracts match ("If you like this consultant you might also like..."). The app was developed on Ruby on Rails. This project was terminated due to lack of funding.
March 2009 - August 2010: Have been working on an ERP system for a company contracting for the government and dealing with the unemployed ("anden aktør" in Danish). The system is developed entirely on Ruby on Rails.
August 2010 - now: I am currently senior developer on a Facebook application for marketing films on social media. I am developing the backend, which is done in Ruby on Rails. This project is a startup under Startup Bootcamp: http://www.startupbootcamp.dk/
During this period I have been visiting the production software group at the Welcome Trust Sanger Insitute near Cambridge UK to help develop software for monitoring and analyzing the gene sequencing pipeline, and mining the databases for interessting information. The software is based on Ruby/Ruby on Rails and this is an opportunity for me to combine my interesst in Ruby on Rails with my background in science.
"Adaptive mesh refinement approach to construction of initial data
for black hole collisions". P. Diener, N. Jansen, A. Khokhlov, I. Novikov,
Class. Quantum Grav. 17 No 2 (21 January 2000) 435-451
"Local and global properties of conformally flat initial data for
black hole collisions" Nina Jansen, Peter Diener, Jakob Hansen, Alexei
Khokhlov, Igor Novikov, Class.Quant.Grav. 20 (2003) 51-74.
"Numerical simulation of orbiting black holes" Bernd Bruegmann, Wolfgang Tichy, Nina Jansen. Phys.Rev.Lett. 92 (2004) 211101
"Numerical stability of the AA evolution system
compared to the ADM and BSSN systems", Nina Jansen, Bernd Bruegmann,
Wolfgang Tichy. Phys.Rev. D74 (2006) 084022
contain?" poster given at the 20th Texas Symposium on Relativistic
Astrophysics, Austin, Texas, December 2000
Numerical Relativity 2001 meeting, July 2001, Krugersdorp, South
Africa.
data", Numerical Relativity lunch, September 2002 at Penn State.
September 2002.
Gravity Meeting, March, 2003
July 1999: visited the University of Texas at Austin for two
weeks to collaborate with Peter Diener.
December 2000: Participated in 20th Texas symposium on Relativistic
Astrophysics in Austin, Texas.
February - May 2001: Visited the Albert Einstein Institute, Max
Planck institut f{\"u}r gravitationsphysik in Potsdam, to collaborate
with the members of the institute
July 2001: Participated in the GR16 conference in Durban, South Africa
and in the Numerical Relativity 2001 workshop in Krugersdorp, South Africa.
February-May 2001, September 2001, May-July 2002: Visited the Albert Einstein Institute, Max
Planck institut f{\"u}r gravitationsphysik in Potsdam for
collaboration with the Cactus group.
September 2002, Participated in the Lazarus/Kudu Meeting at Penn State
April 2003, participated in the April Meeting 2003 of the American Physical Society, Philadelphia.
June, 2003, participated in the conference: "Gravitation: A Decennial Perspective" at Penn State.
December 2003: participated in "Second Apples-with-Apples workshop", UNAM, Mexico City
September 2007: attended Railsconf Europe 2007, Berlin, Germany
May 2008: attended Railsconf 2008, Portland, Oregon
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