Welcome to Lohmander.com
!
by Peter Lohmander
Objectives:
Lohmander.com has been constructed in order to meet
the following objectives:
|
a. |
The visitor should get information concerning
the options to solve economic optimisation problems using software
on the INTERNET. |
|
b. |
The visitor should be able to instantly solve
some economic optimisation problems via the software on INTERNET. |
|
c. |
The visitor should be informed of the option
to order specially adapted software, which could solve optimisation
problems within the company or other activities of the visitor. If you
are interested to order such software: Please contact Peter Lohmander
for detailed discussions! |
|
d. |
The visitor should be informed of the option
to order specially adapted lectures and courses of different design
and duration. Such courses could be adapted to the problems and optimisation
methods of relevance to the company production and logistics or other
activities of the visitor. Lohmander has developed and given complete
courses (one course contained about 50 hours and ten course participants)
using Microsoft Netmeeting and other web software over the INTERNET.
The course participants can stay in any place in the world and still
participate in all discussions and sequential drawings and graphs
on the web based white board. If you are interested to order such software:
Please contact Peter Lohmander for detailed discussions! |
|
e. |
The visitor should be informed of the option
to order special investigations. Such investigations could concern
and be adapted to the problems of relevance to the company production
and logistics or other activities of the visitor. If you are interested to order such software:
Please contact Peter Lohmander for detailed discussions! |
Economic optimisation:
Briefing
Economic optimisation is always interesting! The
problem is to select the best possible decision(s) when we consider the
economic result of some activities. In some cases, it is interesting and
important to widen the problem definition and to include the economic and
other effects far away from the ongoing activities.
We live in a rather complicated world. It is not
always easy to find the economically optimal decisions. This is the case
within these areas, which all are of interest and relevance to Lohmander.com:
Production planning, logistics, stock planning, capacity optimisation, work
force planning … Lohmander.com can offer practical solutions and optimal
decisions in particular when risk, uncertainty and dynamics are of importance
in the problems. Risk and dynamic programming are some of the strongest
areas of competence of Lohmander.com !
First, a relevant problem definition has to be made.
Then, the defined problem has to be solved in a correct and efficient way.
This is what we call economic optimisation. Finally, the optimal solution
has to be correctly interpreted and rationally implemented in the real world
situation.
The mathematical methods and algorithms used within
the economic optimisation software found at Lohmander.com include multi
period linear programming, deterministic and stochastic dynamic programming
and nonlinear programming.
The software found at Lohmander.com is mostly constructed
in ASP (Active Server Pages), Java, Perl and JavaScript. In all cases, the
visitor of the web site can instantly use the software on the personal computer
with an INTERNET connection and a standard browser, such as Internet Explorer
or Netscape.
A large fraction of the economic optimisation problems
at Lohmander.com presently concerns the forest sector and all kinds of management
problems within this sector. Typical economic optimisation problems in the
forest sector companies are the following: To decide when to harvest a forest
stand, how to decide the intensity of some forest plantation investment
and how to select harvest activities over time and space in the presence
of harvester and forwarder capacity constraints and special area constraints
in the forest act. The presently existing web software at Lohmander.com
focuses on forest sector company decision optimisation problems because
Peter Lohmander is professor of forest management and economic optimisation
and has been developing such software for obvious reasons. The methods and
algorithms are however completely general and can be used and adapted to
real world decision problems in all sectors of the economy and elsewhere!
CV and References on economic optimisation
This links leads to a CV and references on economic optimisation:
Ref.htm
How to contact Lohmander.com
If you are interested in special software, courses
or investigations, please contact Peter Lohmander using this e-mail address:
Peter@Lohmander.com
Peter Lohmander – background
and recent activities:
Peter Lohmander was born in
1956, in Uppsala, Sweden. He graduated from the science program of the Rinman
high school in Eskilstuna, 1975. He started his university studies at the
Royal College of Forestry (later SUAS) in Garpenberg, Stockholm and Umea.
He graduated from the ranger officer education of the cavalry, K4, in 1979.
In 1981, he graduated as Civiljägmästare (Master of Science in
Forestry).
Lohmander took the graduate
education at SUAS, the department of forest economics, in Umeå and
got his doctors degree in 1987. Lohmanders graduate studies focused on optimisation
applied to economic decisions and operations research. He got the position
as lecturer of forest management planning at KVL in Copenhagen, Denmark,
in 1986 and held that position during one semester. In 1987, Lohmander defended
his doctors dissertation on optimal decisions in forest management under
the influence of risk.
In 1991, Lohmander was acting
professor of management and business administration. In 1995, Lohmander
was appointed associate professor of forest economics and January 12, 2000,
he was appointed professor of forest management and economic optimisation.
During 2000 and 2001, Peter
Lohmander was a referee when one professor in Finland and one professor
in USA were appointed. Furthermore, during 2001, Lohmander arranged a stream
of sessions within EURO 2001 in Rotterdam, gave lectures within an international
graduate course on mountain forestry in Austria and Italy, gave lectures
on stochastic dynamic programming within a graduate course for mathematicians
from all Swedish universities, arranged and gave one graduate course on
economic optimisation, arranged and gave one course on industrial economics
for civil engineers, arranged and gave lectures during the popular science
week of all Swedish universities and arranged and gave one course on applied
economic control in the forest sector.
During 2001, Lohmander also
lectured at the university of Vaxjo, in cooperation with the forest company
Sodra, developed software for the forest owners association Norrskog, was
referee during the final university examination of forest management students
at NLH, Norway, made research and developed software within the area of
economic optimisation under risk and coordinated the education at the department
of forest economics in Umeå. Lohmander also was the supervisor of
two masters theses, awarded as the best masters theses, by Driftbyrån,
LRF and by Bo Rydins Foundation. Until now, five of his graduate students
have received their doctors degrees. More recent activitites are found from the link below.