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Followers
500
Account age
8 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
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🧰 Free analysis for claude
📊 Post engagement
1
Avg engagement / post
0.2%
Engagement vs followers
May 2018
On Mastodon since
🔥 Top post: I seek > Parallel Block Cyclic Tridiagonal Matrix Solver I find · 2 likes + reposts
📊 Activity & format
Posting cadence
17.5 / week
Toots daily — consistently active for a campaign window.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
1.5×
Follows 326 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
insight over breakfast: original idea with n-1 z values aliasing c to z_1 is actually easier to rescue than the version with n z values and n c values.
Let f_k = z_k^2 + z_1 - z_{k+1}
where z_n = t (some fixed target value, commonly 0). T…
ah not quite, the bottom right block is missing a 1, which makes it singular. also top left block is singular when z_0=0, ie almost always.
i have a rescue plan but i need to check it works...
meanwhile I realized my matrix J is actually block bidiagonal with one extra 1 value at J_ij, and moreover all the blocks on the upper diagonal are equal to -I.
J = A + e_i x e_j (x is outer product) so J d = f can be solved by solving
A y…
found a paper which seems to solve real symmetric block tridiagonal using variant of thomas algorithm, probably passes through trivially to complex hermitian block tridiagonal (which is my case; just replace transpose with conjugate transp…
meanwhile I investigated (by hand on paper) the structure of the J* J matrix, turns out to be "2x2 block cyclic tridiagonal", which should mean it's solvable in O(p) operations and O(p) space (instead of O(p^3) operations for general matri…
getting problems where images seem 100% feasible until about 1e-15 pixel spacing, then it goes very wrong... probably the matrix method is not liking the huge dynamic range and corrupts the tiny z values that occur periodically.
or my app…
hm, seems it could/should be conjugate transpose?
if so, I that makes J* J positive (semi?)definite:
> If a square matrix A equals the product of a matrix B with its conjugate transpose, that is, A = B B* , then A is Hermitian positive s…
seems to work! but space time isues...
this 2p+1 by 2p J is sparse, with at most 5p+1 nonzero entries.
hopefully JT J will be sparse too, because otherwise I will still run out of space and time when p gets large. I don't know what the as…
alternative idea: add more variables
we have z1, z2 , z3, ..., zp-1 (z0=0)
and want that z1^2+c=z2, z2^2+c=z3, ..., zp-1^2+c=zp=z0 for some common c=z1
but the zk are mashed together from different orbits
so how about adding more c variabl…
try newtons method
converges to where it started (eg period 4) not the new orbit (eg period 16)
try to divide by the product of iterates that should definitely not be 0 (eg iterations 4, 8, 12)
explodes to huge values
next idea: divide by …
probably its my Newton's method implementation (which iterates backwards through the orbit - thinking, it should force it to the original first orbit barring numerical errors, not what I want...).
I think to do it properly I need a (p-1)x(…
🐘 Community & instance
Home server
post.lurk.org
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
May 2018
An OG fediverse account from Mastodon's early years — a long, established presence.
💡 Facts
🗓️Joined Mastodon in 2018 — 8 years ago.
👁️Averages 1 views per post.
📤Posts about 17.5× per week.
🕵️ Fake follower check
Estimated52/100
Fair
Credibility score
76%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 76% real, active audience · Medium fake-follower risk.
- Low engagement (~0.2% of followers engage each post) — a sign of an inflated or inactive audience.
- Verified account.
- Established account (8+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
making art with maths and algorithms
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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