PQE 2004: Physics of Quantum Electronics PQE XXXIV 2004
4 Jan 2004 - 8 Jan 2004 -- Snowbird

QIP 2004:
15 Jan 2004 - 19 Jan 2004 -- Waterloo, Canada

TCC '04:
19 Feb 2004 - 21 Feb 2004 -- Cambridge, MA USA

DPG Frühjahrstagung 2004: German Physical Society Annual Meeting 2004
22 Mar 2004 - 26 Mar 2004 -- München, Germany

STACS '04:
25 Mar 2004 - 27 Mar 2004 -- Le Corum, Montpellier, France

PIERS 2004:
28 Mar 2004 - 31 Mar 2004 -- Pisa

APCTP-TPI 2004: APCTP-TPI Joint Meeting on Gravity, Cosmology, and Astrophysics
25 Apr 2004 - 30 Apr 2004 -- Edmonton, Canada

2nd Workshop ad memoriam of Carlo Novero: Advances in Foundations of Quantum Mechanics and Quantum Information with atom and photons
26 Apr 2004 - 27 Apr 2004 -- Turin, Italy

NATO ARW:
26 Apr 2004 - 30 Apr 2004 -- Les Houches, France

QuIST 2004: DARPA Quantum Information Science and Technology (QuIST) Review Meeting and Workshop - Scaleability/Error Control
4 May 2004 - 7 May 2004 -- Chicago

OCW 2004: 13th Ontario Combinatorics Workshop
6 May 2004 - 7 May 2004 -- Kingston, Ontario, Canada

OCW 2004: 13th Ontario Combinatorics Workshop
6 May 2004 - 7 May 2004 -- Kingston, Ontario, Canada

IQEC 2004: International Quantum Electronics Conference IQEC2004
16 May 2004 - 21 May 2004 -- San Francisco

FNPQO 2004:
25 May 2004 - 28 May 2004 -- Gran Canaria, Spain

MOP 2004: The 35th Meeting of the Division of Atomic, Molecular and Optical Physics
25 May 2004 - 29 May 2004 -- Tucson

iCORE 2004: iCORE Banff Informatics Summit
6 Jun 2004 - 9 Jun 2004 -- Banff, Canada

CAPC 2004: 2004 Canadian Association of Physicists Congress
13 Jun 2004 - 16 Jun 2004 -- Winnipeg, Canada

CSSQI 2004: Fourth Canadian Summer School on Quantum Information
20 Jun 2004 - 25 Jun 2004 -- Waterloo

CCC 2004:
21 Jun 2004 - 24 Jun 2004 -- Amherst, MA

IEEE CCC 2004: 19th IEEE Annual Conference on Computational Complexity
21 Jun 2004 - 24 Jun 2004 -- Amherst

ISIT '04:
27 Jun 2004 - 2 Jul 2004 -- Chicago, IL

ACOFT/AOS Conference 2004: 29th Australian Conference on Optical Fibre Technology and 17th Australian Optical Society Conference
5 Jul 2004 - 8 Jul 2004 -- Canberra, Australia

ARP 2004: IASTED International Conference on Antennas, Radar and Wave Propagation
8 Jul 2004 - 10 Jul 2004 -- Banff, Canada

Reference Frame Workshop 2004: Workshop on reference frames and superselection rules in quantum information theory
12 Jul 2004 - 14 Jul 2004 -- Waterloo

ACOLS 2004: 31st International Colloquium on Automata, Languages, and Programming (ICALP'04)
12 Jul 2004 - 16 Jun 2004 -- Turku

ICALP '04: 31st International Colloquium on Automata, Languages, and Programming
12 Jul 2004 - 16 Jul 2004 -- Turku, Finland

QIQC 2004:
19 Jul 2004 - 23 Jul 2004 -- Toronto

IEEE Antennas-and-Propagation-Society International Symposium
20 Jul 2004 - 26 Jul 2004 -- Monterey, California, USA

IEEE Antennas-and-Propagation-Society International Symposium
20 Jul 2004 - 26 Jul 2004 -- Monterey, California, USA

QCMC 2004:
25 Jul 2004 - 29 Jul 2004 -- Glasgow, UK

ICAP 2004:
25 Jul 2004 - 30 Jul 2004 -- Rio de Janeiro, Brazil

Quantum Communications and Quantum Imaging II Optics+Photonics 2004
2 Aug 2004 - 6 Aug 2004 -- Denver, Colorado

APPROX + RANDOM '04:
22 Aug 2004 - 24 Aug 2004 -- Cambridge, MA USA

UKFP 2004: Thirteenth UK Meeting on the Foundations of Physics
20 Sep 2004 - 24 Sep 2004 -- York

FOCS 04:
17 Oct 2004 - 19 Oct 2004 -- Rome, Italy

CNS 2004: NCE 6th Annual Theme Meeting on Communication, Networks and Security
4 Nov 2004 - 6 Nov 2004 -- Banff

EQIS 2004: Quantum Optics and Applications in Computing and Communications II
10 Nov 2004 - 12 Nov 2004 -- Beijing

CIAR 2004: The Canadian Institute for Advanced Research Quantum Information Processing meeting
29 Nov 2004 - 30 Nov 2004 -- Montebello, Quebec

ACOLS 2003:
1 Dec 2004 - 4 Dec 2004 -- Melbourne, Australia