- Dr. Chen had published "The Hamiltonian Index of Graphs" in
Discrete Mathematics , 309 (2009) 288-292.
- He was invited to give a talk on "Reduction Technique in
Spanning Eulerian Graphs" and to do joint research at South China
University of Technology, P.R. China from July 16-August 10,
- Chen had his paper "Collapsible Graphs and Reduction of Line
Graphs" Discrete Math made available online October 2008.
- Chen had his paper "Hamilton-Connected Indices of Graphs"
Discrete Math made available online July 2008.
- Chen was invited to present the paper "Eulerian Subgraphs and
Related Problems" at the 3rd national conference on Combinatorics
and Graph Theory in Shanghai, P. R. China on July 14-21, 2008.
- Chen presented the paper "Walks on 3-edge-connected graphs" at
the International Symposium on Graph Theory and Combinatorial
Algorithms held at China Academy of Mathematics and System Science,
Beijing, China and joint research at South China University of
Technology on July 1-July 4, 2007.
- In 2007, Chen published "An s-Hamiltonian Line graph problem"
in Graphs and Combinatorics , 23, 241-248 (2007), 241-248
- In 2006, Chen published "Spanning Eulerian subgraphs in
claw-free graphs" in the Journal of Combinatorial Mathematics
and Combinatorial Computing 59 (2006), 165-171.
- In 2006, Chen had his research published "Spanning Trails
containing given edges" in Discrete Mathematics, 306
- On August 15-19, 2006, Dr. Chen presented a paper "Spanning
Eulerian Subgraph with maximum degree at most 4", at the
International conference on graph theory and combinatorics in
NanKai University, P. R. China.
- Chen's student, Wanhsin Tu presented their joint paper
"Edge-connectivities for spanning trails with prescribed edges", at
the 18 th Annual Undergraduate Research Conference at
Butler University on April 21, 2006.
- From May 6 to May 26, 2004, Dr. Chen and two students, Michael
Winters and Jonathan McCullough took a research trip to China. This
research is about the training and education of computer science,
software engineering, and IT in China. They visited South China
University of Technology, JiNan University, Guangzhou University,
and FuZhou university in P.R. China. This research project was
funded by the Freeman Foundation.
- On May 13, 2004, Dr Chen gave a lecture on "Catlin Reduction
Method on Spanning Eulerian Graphs" at Fuzhou university. Fuzhou,
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- Ankur was invited to give a technical seminar at Louisiana
State University in Feb. 2009. It was titled "Efficient Data
Structure for Dictionary Problems".
- Ankur submitted for publication the paper "Online Sorting via
Searching and Selection" with Butler student Anna Kispert and
co-author Jon Sorenson.
- Ankur received a grant ($90,000) from the Arête Initiative from
the University of Chicago to study "Wisdom Is Compression: Data
Compression as a Mathematical Measure of Wisdom." The grant began
on 1 October 2008 and will continue for two years. Ankur appears in
news about this grant at http://www.msnbc.msn.com/id/28238648/
- Ankur and Jon received a Holcomb Awards grant ($9,200) for
studying the problem of searching and sorting unsorted numbers.
This grant began on 1 May 2008 and continued for 3 months.
- Ankur published the paper "On Searching Compressed String
Collections Cache-Obliviously" with co-authors Paolo Ferragina,
Roberto Grossi, Rahul Shah, and Jeffrey Scott Vitter in the
Proceedings of the ACM Conference on Principles of Database
Systems (PODS), Vancouver, Canada, May 2008.
- Ankur presented the paper "Nearly Tight Bounds on the Encoding
Length of the Burrows-Wheeler Transform" with co-authors Roberto
Grossi and Jeffrey Scott Vitter, and it was published in the
Proceedings of the ACM-SIAM Workshop on Analytic Algorithmics
and Combinatorics (ANALCO), San Francisco, CA, January
- Ankur published the paper "On the Size of Succinct Indices"
with co-authors Alexander Golynski, Roberto Grossi, Rajeev Raman,
and Srinivasa Rao in the Proceedings of the European Symposium
on Algorithms (ESA) , Eilat, Israel, October 2007.
- Ankur published the paper "A Framework for Dynamizing Succinct
Data Structures" with co-authors Wing-Kai Hon, Rahul Shah, and
Jeffrey Scott Vitter in the Proceedings of International
Colloquium on Automata, Languages, and Programming (ICALP) ,
Wroclaw, Poland, July 2007.
- Ankur published the paper "Compressed Data Structures:
Dictionaries and Data-Aware Measures" with co-authors Wing-Kai Hon,
Rahul Shah, and Jeffrey Scott Vitter in the Theoretical
Computer Science (TCS) , January 2007.
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- Rahul joined Butler University's department of
Computer Science and Software
Engineering in August 2008 as a Postdoctoral faculty, teaching
classes in parallel scientific computing for CS and non-CS majors.
He is looking for collaboration with other researchers or
institutes whose emphasis is on building scientific algorithms
which run on supercomputers.
- Graduated with Ph.D. in Applied Physics from Mississippi State University in
Dec 2007. His dissertation topic was "Dynamic electron-phonon
interactions in one-dimensional models".
- Abstract submitted at American Physical Society (APS)
March Meeting 2008 : "Spin-soliton
excitations from the Bond-Charge-Density Wave spin-Peierls state in
the ¼-filled band" with R. Torsten Clay and Sumit
- Abstract submitted at APS March Meeting 2008 : "Temperature
dependence of charge-ordering in (TMTCF)2X, C = S,
Se", with Sumit Mazumdar, R. Torsten Clay.
- Abstract submitted at APS March Meeting 2007:
"Mixed spin-charge solitons and thermodynamics of
(TMTTF)2X", with R. Torsten Clay and Sumit
- Abstract submitted and presented at APS 2007 "Phase
diagram of the one dimensional Hubbard-Holstein Model at ½ and ¼
filling ", with R. Torsten Clay and Sumit Mazumdar.
- Attended a Tutorial at APS March meeting 2007 on
"Statistical and Thermal Physics with Interactive
- Paper published in Physical Review B (PRB)
"Temperature-driven transition from the Wigner crystal to the
bond-charge-density wave in the quasi-one-dimensional
quarter-filled band", with R. Torsten Clay and Sumit
Mazumdar in 2007.
- Paper published in Physical Review B,
"Phase diagram of the one-dimensional Hubbard-Holstein model at
half and quarter filling", with R. Torsten Clay in
- Presented at Mississippi Academy of Sciences (MAS) 2007
"Metallic Phases in one Dimensional molecular conductors",
with R. Torsten Clay and Published in Journal of the Mississippi
Academy of Sciences 2007.
- Invited judge at Starkville High School Science Fair in
- Abstract submitted in APS 2006
"Temperature dependent competition between charge-ordering and
spin-Peierls transition in (TMTTF)2X: the role of
quantum phonons", with R. Torsten Clay and Sumit
- Paper published in Physical Review Letters (PRL)
"Intermediate Phase of the One Dimensional Half-Filled
Hubbard-Holstein Model", with R. Torsten Clay in
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Panagiotis K. Linos
- Dr. Linos attended the Indiana University Workshop on
"Visualization and Service-Oriented Architectures", University
Place Conference Center, March 28, 2008.
- Panos served on the Advisory Council of the Assistance League
of Indianapolis; a nation-wide not-for-profit organization (see www.alindy.org
). Duties include participation in various meetings, provide IT
consultation and engage our students in related projects
- He initiated (with Ken Creech, Media Arts) a new EPICS project
with the WFYI-PBS station of Indianapolis (see
http://epics.butler.edu ) in Spring 2008.
- Panos published and presented a paper with Butler students
entitled "A Metrics Tool for Multi-language Software", Linos, P.,
Lucas, W., Myers, S. and Maier, Z., in the Proceedings of the
IASTED International Conference on Software Engineering and
Applications, November 19-21, 2007, Cambridge, Massachusetts, USA,
ISBN: 978-0-88986-705-5, pp. 324-329.
- Panos was awarded a HAC research grant entitled "A Toolset for
Analyzing Multi-language Software Legacy Applications" Spring 2007
- He participated in the first consulting project of the BBA
(Butler Business Accelerator) program. His role was mainly to
conduct a strategic evaluation and health assessment of a real
client's IT infrastructure. Also, he was responsible to provide a
list of final recommendations and to sketch a road map from the
current state to a modernized future state for IT (Spring
- He joined a Butler group in a trip to Michigan to visit the
Steelcase Corporation as part of a university-wide effort to
modernize our laboratory space and equipment on our campus (Dec.
- Panos engaged in an international effort led by MIT on Project
Based Learning. As a result an invitation was extended to me and
Dr. Sorenson to participate in a by-invitation-only symposium to
share our experiences with our EPICS program at Butler University
- Dr. Linos served as a regular reviewer/referee for various
professional events including: ICSM (International Conference on
Software Maintenance), ICPC (International Conference on Program
Comprehension), ICSOFT (International Conference on Software and
Data Technologies), CSMR (European Conference on Software
Maintenance and Reengineering) and others.
- Panos served under regular conference organization roles
including: Steering Committee member for ICSM, ICPC, Program
Committe Member for ICSOFT, CSMR and others.
- Panos served as a Guest Editor for the IEEE Transactions on
Software Engineering, Special Issue on Software Maintenance and
Evolution published in Vol. 31, No. 10, October 2005.
- Panos Linos presented a joined paper (with Jon Sorenson)
entitled "EPICS: A Service Learning Program at Butler University"
at the Frontiers of Education Conference (FIE), Indianapolis,
Indiana, October 19-22, 2005.
- Prof. Linos attended the NSF Workshop on Teaching Software
Testing at the Florida Institute of Technology during February 3-6,
2005 in Melbourne Florida.
- He received a HAC research grant entitled "Measuring the
Complexity of Multi-language Software in the .NET Environment"
- He gave an invited talk entitled "The Challenge of Maintaining
Multi-language Multi-paradigm Software", in the Computer Science
department at Wayne State University, Detroit, Michigan on January
20, 2005 as part of their Computing Colloquium Series.
- Prof. Linos gave an invited talk entitled "A Research Framework
for Software Analysis and Visualization Tools", in the Computer
Science department at IUPUI, Indianapolis on January 28, 2005.
Dr. Panagiotis K.
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- Jon served on the thesis committee for Nichole Pitcher, a
student of Daniel J. Bernstein, at the University of Illinois at
Chicago. Her thesis defense was on January 9th 2009.
- Together with Ankur Gupta and Butler student Anna Kispert, Jon
has co-authored an article on "Online Sorting via Searching and
Selection", which has been submitted for publication. We have a
grant from the Holcomb Awards Committee to support this work.
- The paper "Computing Prime Harmonic Sums", with Eric Bach (U.
Wisconsin) and Dominic Klyve (Carthage), had been accepted for
publication in Mathematics of Computation.
- Jon attended the 8th Algorithmic Number Theory Symposium
(ANTS-8), http://ants.math.ucalgary.ca/ May 17-22, at the Banff
Center in Banff, Alberta, Canada. He served as a conference
co-organizer, organized the poster session (Poster Abstracts,
ANTS-8, SIGSAM Bulletin 164,2:48-66, 2008) and obtained travel
grants for participants. (National Security Agency, $10,500, and
with co-PI Joshua Holden (Rose-Hulman), National Science
Foundation, $10,600) Butler University was an official sponsoring
- With Daniel J. Bernstein (UIC), Jon co-authored the paper
"Modular Exponentiation via the Explicit Chinese Remainder
Theorem", Mathematics of Computation 76,257:443-454,
- To learn more about supercomputing, Jon attended the Linux
Clusters Institute (LCI) Supercomputing Conference , South
Lake Tahoe California, May 14-17, 2007.
- Jon was the LAS Natural Sciences Faculty Member of the
Year in 2007.
- Jon nearly lost his sanity by serving as the Interim Department
Chair, Mathematics and Actuarial Science Department, for the
2006-2007 academic year, in addition to chairing CSSE.
- Jon will present two papers ("The Pseudosquares Prime Sieve"
and "Fast Bounds on the Distribution of Smooth Numbers" with Scott
Parsell) and one poster ("Computing Prime Harmonic Sums" with Eric
Bach of UW-Madison) at ANTS VII in Berlin,
Germany, July 23-28, 2006.
- Jon is co-organizer, with Scott Parsell (Mathematics and
Actuarial Science) of a Special Session on Number
Theory at the AMS Sectional Meeting at Notre Dame, April 8-9,
- Jon will give three lectures at the Summer School on
"Computational Number Theory and Applications to Cryptography" at
the University of Wyoming , June
- Jon participated in a Number Theory
Inspired by Cryptography workshop at the Banff International
Research Station, Alberta Canada, November 5-10, 2005; Jon gave a
talk on "Fast algorithms for bounding the distribution of smooth
integers" there on November 7th.
- The paper "An Honors Course on Alan Turing" was published in
ACM SIGCSE Bulletin Inroads, volume 37, number 4, December
2005, pages 103-106.
- The paper "EPICS: A Service Learning Program at Butler
University", coauthored by Jon and Panos Linos, was presented by
Panos at the IEEE Frontiers in
Education conference on October 21st, 2005, in
- The paper "Modular exponentiation via the explicit Chinese
remainder theorem" coauthored by Daniel J. Bernstein (UIC) and Jon,
was accepted for publication in Mathematics of Computation.
(See here the list of accepted papers .)
It should appear in print sometime in 2006 or 2007.
- Jon gave invited talks on "The Pseudosquares Prime Number
Sieve" at both the Centre for
Information Security and Cryptography at the University of
Calgary on March 18th, 2005, and the University of Wisconsin on May
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