MEETING-DATE:June 30, 2016
MEETING-LOCATION:DC 1331
MEETING-TIME:11:30
MEETING-CHAIR:Stephen Mann
MEETING-CHAIRPIC:smann-3.jpg
COFFEE-HOUR-LAST-WEEK:Steve
COFFEE-HOUR-THIS-WEEK:Canada Day
COFFEE-HOUR-NEXT-WEEK:Volunteers?
FORTH-DATE1:July 7, 2016
FORTH-DATE2:July 14, 2016
FORTH-DATE3:July 21, 2016
FORTH-DATE4:July 28, 2016
FORTH-LOCATION1:DC 1331 11:30
FORTH-LOCATION2:DC 1331 11:30
FORTH-LOCATION3:DC 1331 11:30
FORTH-LOCATION4:DC 1331 11:30
FORTH-CHAIR1:Xiang Fang
FORTH-CHAIR2:Leon Nanyi Jian
FORTH-CHAIR3:Craig Kaplan
FORTH-CHAIR4:Marta Kryven
FORTH-CHAIRPIC1:duck.gif
FORTH-CHAIRPIC2:ssiu-owl.jpg
FORTH-CHAIRPIC3:craig.jpg
FORTH-CHAIRPIC4:marta-2.jpg
FORTH-TP1:Bill Cowan
FORTH-TP2:Xiang Fang
FORTH-TP3:Leon Nanyi Jian
FORTH-TP4:Craig Kaplan
FORTH-TPPIC1:bill.png
FORTH-TPPIC2:duck.gif
FORTH-TPPIC3:ssiu-owl.jpg
FORTH-TPPIC4:craig.jpg
TPNAME:Christopher Batty
TPTITLE:Solving the Poisson equation accurately on quadtree grids
TPABSTRACT:I will talk about some recent work I've been doing on using adaptive quadtree grids to solve Poisson problems, using a finite volume approach. I'll summarize related methods, and then explain a new approach that achieves 2nd order accuracy for both solution values and their gradients on arbitrary quadtrees. The central idea is to use a new diagonal (i.e., non-axis-aligned) construction for interpolating the"ghost" values needed to provide accurate discrete gradient and divergence operators near complex T-junction configurations that arise in quadtrees.
TPPIC:batty.jpg
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AIONE:For the purposes of CGL scheduling, Ryan, Yipeng and Reza should be considered unavailable/inactive during S16 (internships).Dan will be away from July 9 to about Aug 15.
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SEMINARS:<DL> <DT><A HREF="https://www.math.uwaterloo.ca/~wnotice/notice_prgms/wreg/list_full.pl?20160606-1330.14966">Wednesday, 6 July 2016</A>, 1:30PM - Computer Science  (<em>Cryptography, Security, and Privacy (CrySP) Group</em>), DC 2310 <DD> Hassan Khan: -- <EM> Evaluating the Efficacy of Implicit Authentication under Realistic Operating Scenarios</EM><BR><BR> <DT><A HREF="https://www.math.uwaterloo.ca/~wnotice/notice_prgms/wreg/list_full.pl?20160607-1030.25830">Thursday, 7 July 2016</A>, 10:30AM - Computer Science  (<em>Cryptography, Security, and Privacy (CrySP) Group</em>), M3 3127 <DD> Paul van Oorschot: -- <EM> Password expiration policies: quantifying assumed security benefits</EM><BR><BR> </DL>