This archive has been created by EasyChair, see http://www.easychair.org. It contains all files structured according to the Springer LNCS requirements. The directories are named VVVVPPPP, where VVVV is the volume number and PPPP is the first page number of each paper. In each directory there is a file VVVVPPPP.pdf which contains a PDF file as submitted by the authors. The main file (LaTeX or RTF) in each directory is named as follows: 1: jacobs.tex 21: main.tex 33: liveness.tex 54: IFIP-TCS.tex 56: main.tex 71: pats-cameraready.tex 86: PBC_TCS2010.tex 101: tcs10.tex 111: recurrent.tex 126: tcs2010-main.tex 141: TCS2010B.tex 155: dicmatxml.tex 167: TCS-2010-final.tex 183: main.tex 198: subobject-logic.tex 214: paper3.tex 229: main.tex 244: main.tex 259: strongrandom.tex 271: schwarz_stai.tex 286: matching.tex 301: Infinitely_often_traceability.tex 316: BDJOT_TCS2010_print.tex 328: draft3.tex 340: BCG-IFIPTCS10.tex 355: dynchan.tex 370: wcc-tcs-b-21.tex All queries about EasyChair should be sent to Andrei Voronkov at andrei@voronkov.com.