41 Employment in Mathematical Sciences

Employment in Mathematical
Sciences
• Education: Secondary and Elementary Schools,
Colleges and Universities
• Research Labs: Government, Industry
• Development in Business and Industry (computer,
communications, finance, defense, environmental,
aerospace, engineering, film, biomedical, . . .)


Resources
• Canadian Math Society(www.cms.math.ca)
-- Education: www.cms.math.ca/Education
• American Math Society(www.ams.org)
-- Employment: www.ams.org/employment
• Society for Industrial and Applied Mathematics
• American Statistical Association
• Association for Computing Machinery
 UBC (www.math.ubc.ca)
---Math Workshops:
www.math.ubc.ca/Schools/Workshop/index.shtml

 PIMS (www.pims.math.ca):

Data Transmission

 
 

Noise
Input
Message

Noisy
Output
CHANNEL









Designing Antennas
• Goldstone tracking station – tracks deep space
missions.
• Design required simulation of wind and heat loads.

Disk Drive Technology

•
•
•
•
•

computers
music (CD, iPod)
video (DVD, PSP)
digital camera
pda (palm)


This IBM Disk Drive
was made in 1956.
Capacity: 5MB
Size: 50 24inch disks
Weight: 500 lbs


In 1998, IBM introduced the Microdrive.
Size: 1.1 inch diameter disk

Capacity: 170MB (1998)
6 GB (2005)


Mathematics used in data recording

• Sampling Theory: How to represent a
continuous wave as a sequence of 0 and 1 bits
• Trigonometry and Calculus: How to focus the
laser on circular tracks and adjust the speed
of the rotating disk
• Algebra: How to correct errors: dust,
scratches, imperfections in disk surface,
electronics noise


Data storage in the future