Personal info for hnbeck
Name: Hans N. Beck
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Notes: Special interests: - Smalltalk - Software visualisation - functional programming - cellular automata
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Recent diary entries for hnbeck:
8 Apr 2004 (updated 8 Apr 2004) »
DSVG display server grows slowly, but it grows. Now it's the time to think about the byte code the server will understand. Here are some detailed questions:
1) can the bytecode reflect elements of a geometrical algebra: I should look at the project Cinderella (from Prof. Richter-Gebert at TU Munich), which has it's roots at dynamic geometry. So the bytecode should not express things in terms of registers and jumps, but in creating points and lines from other points and lines
2) what are processes ? Until I have mathematical access and understanding of chaos theory and controlling of dynamical systems, I only can say which is not a process in my sense. One car driving across the street is not a process. It's (in the first look) only a rapid change of states, as the differential equations or the hilbert systems in theortical mechanics describe. Same is true for a loop expressed in some (imperative) langage. But the different streams of cars in a city are working together getting a process.
3) what makes a process a process ? Here I wish I would be 4 years in future with my studies of mathematics ;-) One is clear: taking not only one car, but a lot of cars driving over the highway is not necessarily a process. It's only a set of rapid state changes.
4) Constructor of processes ? There must be more than many state transitions. I guess the way to a solution may be the idea of coupled repetition or - better said - of coupled more or less periodic state transitions (where the term periodic should not be stressed to much). The information in coupled periodic systems is coded in the modulation of the period of some of the loops. That may be the way the brain works, as some research papers in biology etc describe.
For what this is good for my DSVG ? I don't know, first let's some studies in mathematics.... But I will play around with coupled periodic transistions in DSVG as far it is possible....
18 Jan 2004 (updated 18 Jan 2004) »
It seems there is an easy way to talk with the haskell compiler. So a very simple IDE for haskell in squeak would be no science fiction.
Geometry is a interesting thing - especially in combination with algebra. Perhaps it is possible to create a VM which reflects some aspects of it. I will talk with a mathematics prof about it.The question is also to create the DSVG as a display server which could manage all display for squeak. The server itself I plan to create in Haskell, which has a nice binding to openGL and so far I known could be fast.
Also a question: how much can be included from things related to processes (key word: biological cell and the discussion about).
Many things to investigate, but one step after another. First try to let squeak talk with haskell. Squeak as a environement for Haskell would be nice, but thats part of the future......
7 Dec 2003 (updated 7 Dec 2003) »
Ok, I found something which may be in context of the Sun/SGI cooperation for openGL Java binding: the jogl project....
The openGL site as a new outfit. nice :-)
Found some links to DisplayPDF (Quartz), one primer is here. There is really a OpenSource project using DisplayPDF called chao!I also found some information about the technique for Quartz Extreme, but nothing really useful. Nothing until now for bytecodes in graphic environements. But that's not at end.
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