On 9/26/22 6:13 PM, glen wrote:
I'd appreciate you (and SteveS) throwing some words at it. In particular, since software patterns are *supposed* to be linked to the geometric patterns of architecture,

I'm not at all an expert on software patterns... maybe DaveW can speak more to this and I will ask the question of Richard Gabriel when he visits here with Jenny in a couple of weeks maybe...

*where* or *how* has it gone wrong in extrapolation? Did Alexander go wrong in his extrapolation? Or did others [mis]interpret?

Alexander's patterns are much more about relationships than geometry in my perception.  Spatially *constrained* relationships yes, but relationships nonetheless... it spans the same agent/field particle/wave dualities that we find in some simulation and quantum conceptions.

I don't think trying to emulate *architectural patterns* for software was ever a good idea.  Reading from the Wikipedia article on Pattern Languages (and remembering from the introductory sections of Alexander's work):

   /A pattern language can also be an attempt to express the deeper
   wisdom of what brings aliveness within a particular field of human
   endeavor, through a set of interconnected patterns. Aliveness is one
   placeholder term for "the quality that has no name": a sense of
   wholeness, spirit, or grace, that while of varying form, is precise
   and empirically verifiable.//^[1]
   <https://en.wikipedia.org/wiki/Pattern_language#cite_note-1>
   //Alexander claims that ordinary people can use this design approach
   to successfully solve very large, complex design problems./

You may well be right about there having been a misapprehension on the part of the  Go4 when they put it all together... it feels "off" to me as well, but I always put that up to having too many pre-existing opinions about Pattern Languages and about Software Design when they introduced the two...
(I've purposefully left the Subject the same because it definitely relates to Chan's morphology based taxonomy and my argument with my meso-biologist friend about "species diversity" versus "phylogenetic diversity".)

I'm not a thread-hygiene fiend, but do appreciate it when others make the effort.   My offerage of *another* subject was to try to respect the possibility that this was a tangent.   I do think this conversation *can* remain tied to the diversity theme. Alexander's work is based in the *idea* that he and his team(s) did the ethnographic work in studying extant "built environments" to obtain the *essence* of what built  human living environments (regional/urban/neighborhood/compound/home/office/room/furniture) that can be found and used rather than a profession/industry (architecture/building) deciding somewhat a-priori or to-their-convenience what people need/want to live in/amongst.

Alexander was pretty clear (I think) that everyone should take his work with a grain of salt and seek to add their own patterns, generate their own pattern languages, etc.

The QWAN (quality without a name) business probably tweaks into our "effing the ineffable" thread for better or worse...  but it *is* the first place *I* found myself accepting that kind of mystical "mouth movement sounds" as maybe having more to them than just hand-waving and carpet under-sweeping.



On 9/26/22 15:35, Prof David West wrote:
I am a patterns and Alexander expert. glen's uncertainty / mild antipathy is spot on. Software patterns are an oxymoron.

Strong words, but happy to back them up with dozens of papers written/presented and hours of discussion.

davew


On Mon, Sep 26, 2022, at 6:29 AM, glen wrote:
Very cool! Thanks.

In particular, our property abuts "the ravine", which is a semi-wild
place. The permaculture categories might help me orient my own
intuition (that everything in the ravine should be left alone) with my
neighbor's (clearing the whole area and reintroducing natives). He owns
the majority of it. So, c'est la vie ... or perhaps "telle est la
mort". (Don't blame me. I don't know French.) One thing this zone 0-5
model might permit is modularity. That blog post implies such with the
inverted garden interface. But it seems like there could be pockets of
zone0es in wild areas and pockets of zone5s in urban areas,
particularly in sprawling cities like LA or Houston. Growing up in
Houston, where every square inch of semi-abandoned land seemed rapidly
reclaimed by the swamp, is probably the source of my skepticism with my
friends' diversity doctrine.

There's a lot to digest in the biophilia links. I have to confess, I
haven't given pattern languages much attention. It always seems
motivated by geometry, which fails for me. Of course, I'm familiar
enough with software patterns. But that's always failed for me as well.
They seem too ephemeral, unstable ... i.e. not real, convenient
fiction, and *perfect* opportunity for gurus to blind others with their
gobbledygook mouth sounds. I guess it reminds me of category theory,
too abstract for my ape brain. But maybe some of his earlier work on
Clifford algebras might motivate me? I could start here, I guess:
https://link.springer.com/chapter/10.1007/978-1-4757-1472-2_41

Thanks again.

On 9/24/22 10:29, Steve Smith wrote:

On 9/24/22 9:49 AM, glen wrote:
Such efforts seem so inherently metaphorical it's difficult for me to approach a concrete conversation. For example, I have a couple of biologist friends, one meso (bugs) and one macro (ungulates), who thought I was being contrarian when I challenged their assertion that biodiversity in urban areas was *obviously* lower than that of natural areas like forests. Of course, I admit my ignorance up front. Maybe they are. But it's just not obvious to me.

This may seem a little tangential but the realm of Permaculture Design has a suite of truisms on these topics, though they are articulated in their unique language which can be a little hard to translate sometimes.  I think the permaculture community represent a fertile laboratory for doing *some* experiments as implied by Glen's questions.

A good example which gestures toward the Chan work at least morphologically is maybe worth a scan if not a full read here:

https://aflorestanova.wordpress.com/2016/04/08/zones-in-permaculture-design/

Permaculture's 5 zone quantization doesn't preclude a recognition of there being continuous gradients in many dimensions from a locus of "technological closed-loop" (zone 0) and "biological closed loop" (zone 5).

There is a *lot* of talk in the literature about the interfaces around zone 0, 1, 2 techno-structures creating localized ecozones that harbor diversity (desired and undesired == vermin) which I think provide some good anecdotal evidence about biodiversity in transition zones and acute technological interfaces (e.g. roofs, walls, corners, posts, fences, etc).  Permaculture is a domain of recognizing and exploiting "happy accidents".

It is also worth noting the diversity spike that happens in estuarial contexts...

A more formal study of Urban/Architectural design with an eye to *health* (human-centric view) is the domain of Biophilic Design <https://www.terrapinbrightgreen.com/report/biophilia-healing-environments/>. Nikos Salingaros is a hard-core Mathematician at UT-San Antonio who addresses abstractions of Complexity <https://en.wikipedia.org/wiki/Nikos_Salingaros#Complexity> and Pattern Languages <https://en.wikipedia.org/wiki/Pattern_language> as well as Architecture and Urbanism.  He also has some interesting opinions <https://en.wikipedia.org/wiki/Nikos_Salingaros#Philosophy> about post modernism as well as Dawkins Atheism.



Since then, they've presented (meso and macro) arguments that justify their position. It does seem obvious that urban areas trend to more adaptable animals like coyotes and raccoons and less so to, say, deer. The bugs are more interesting. Meso guy found some articles that show "species" diversity in urban areas is roughly the same as natural areas. But phylogenetic diversity is clearly lower in urban areas. That seems counter intuitive to me. It's a cool result.

My main point when I originally expressed skepticism, though, was about microbial diversity. Is it possible that bug-layer and microbe-layer (including what lives in/on large animals like rats and humans) diversity makes up for lower diversity in large-layers?

I *feel* that projects like Chan's could help with this question since it seems prohibitively expensive to sample and test enough microbial populations of urban and wild areas, especially if we include intra-animal populations. I'm just not sure *how* they could help.

On 9/24/22 03:38, David Eric Smith wrote:
It’s funny; I know Bert.

One of our colleagues played a role in bringing him out to work at Google in Tokyo.

A mathematician (Will Cavendish) who has part-time support at IAS
https://www.ias.edu/scholars/will-cavendish <https://www.ias.edu/scholars/will-cavendish> is also interested in the mathematical dimensions of this, though I have only a glancing exposure to how those two together are trying to frame the problems.  Because Bert has come at it more from the ALife/engineering approach, and Will’s interests run more in the direction of proving capabilities of broad classes of systems, often interested in their aggregation as categories  (and also about the role of simulation as a replacement for proof in systems that produce complicated enough state spaces), it should be a productive and interesting collaboration.  I don’t know how engaged others are in the Google group on this specific project, because I am too far outside that loop.

Eric

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