Mid-air Pan-and-Zoom on Wall-sized Displays

http://portal.acm.org/citation.cfm?id=1978969

User-defined motion gestures for mobile interaction

http://portal.acm.org/citation.cfm?id=1978971

Touching The 3rd Dimension (T3D) - SIG Meeting

http://www.dfki.de/~fdaiber/t3d/Home.html

http://www.facebook.com/pages/Touching3D/129872563749475

Usable Gestures for Blind People: Understanding Preference and Performance

http://portal.acm.org/citation.cfm?id=1979001

http://depts.washington.edu/aimgroup/interactive.html

Natural Activation for Gesture Recognition Systems

http://portal.acm.org/citation.cfm?id=1979642

Your Noise is My Command: Sensing Gestures Using the Body as an Antenna

http://research.microsoft.com/en-us/um/redmond/groups/cue/HumAntenna/

http://portal.acm.org/citation.cfm?id=1979058

Sensor Synaesthesia: Touch in Motion, and Motion in Touch

http://portal.acm.org/citation.cfm?id=1979059

Data Miming: Inferring Spatial Object Descriptions from Human Gesture

http://www.christianholz.net/data_miming.html

http://portal.acm.org/citation.cfm?id=1979060

Touch Input on Curved Surfaces 

http://portal.acm.org/citation.cfm?id=1979094

http://www.anneroudaut.fr/projects/curvedsurface.html

Gestural Interaction on the Steering Wheel - Reducing the Visual Demand

http://portal.acm.org/citation.cfm?id=1979010

MotionBeam: A Metaphor for Character Interaction with Handheld Projectors

http://www.picoprojector-info.com/disney-shows-projector-controlled-character...

www.karlddwillis.com/wp/wp-content/.../05/CHI2011-MotionBeam.pdf

Eden: A Professional Multitouch Tool for Constructing Virtual Organic Environments

http://vis.berkeley.edu/papers/eden/

2D Touching of 3D Stereoscopic Objects

http://viscg.uni-muenster.de/publications/2011/VSBH11/

Rock & Rails: Extending Multi-touch Interactions with Shape Gestures to Enable Precise Spatial Manipulations

http://research.microsoft.com/apps/video/default.aspx?id=148370

http://research.microsoft.com/apps/pubs/?id=148394

http://smallsurfaces.com/2011/05/three-new-multitouch-gestures-for-object-man...

http://www.engadget.com/2011/05/11/microsofts-rock-and-rails-touchscreen-lets...

FingerGlass: Efficient Multiscale Interaction on Multitouch Screens

Grids & Guides: Multi-Touch Layout and Alignment Tools

http://isgwww.cs.uni-magdeburg.de/cvse/Forschung/Projekte/DiagramInteraction/...

http://portal.acm.org/citation.cfm?id=1979177

Enhancing Physicality in Touch Interaction with Programmable Friction 

http://portal.acm.org/citation.cfm?id=1979306

Understanding Touch

http://www.hpi.uni-potsdam.de/baudisch/projects/understanding_touch.html

Magic Desk: Bringing Multi-Touch Surfaces into Desktop Work

http://www.autodeskresearch.com/publications/magicdesk

http://portal.acm.org/citation.cfm?id=1979342

Multi-User Interaction on Media Facades through Live Video on Mobile Devices 

HeatWave: Thermal Imaging for Surface User Interaction

http://ils.intel-research.net/publications/91

Tangible Bots: Interaction with Active Tangibles in Tabletop Interfaces 

http://portal.acm.org/citation.cfm?id=1979384

Geckos: Combining Magnets and Pressure Images to Enable New Tangible-object Design and Interaction

http://portal.acm.org/citation.cfm?id=1979385

http://mi-lab.org/files/2011/03/Geckos-final.pdf

TUIC: Enabling Tangible Interaction on Capacitive Multi-touch Displays

http://portal.acm.org/citation.cfm?id=1979386

tBox: A 3D Transformation Widget designed for Touch-screens

http://www.labri.fr/perso/hachet/publications/tBox.html

zeroTouch: A Zero-Thickness Optical Multi-Touch Force Field

http://ecologylab.net/research/zerotouch/index.html

http://www.engadget.com/2011/05/12/zerotouch-optical-multi-touch-force-field-...

http://www.newscientist.com/blogs/onepercent/2011/05/jim-gile-contributor-van...

if you watched other interesting CHI 2011 presentations with topics around interactive surfaces and tabletops, please let me know or just write a comment.