new notes

notes
2026-02-03 11:36:20 +01:00 · 2026-01-29 17:42:10 +01:00 · 2026-01-27 17:21:23 +01:00 · 2026-01-23 20:03:48 +01:00 · 2026-01-22 21:02:28 +01:00 · 2026-01-22 16:24:29 +01:00
13 changed files with 5856 additions and 26 deletions
--- a/autotodo/.gitignore
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--- a/autotodo/Cargo.toml
+++ b/autotodo/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "autotodo"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+chrono = { version = "0.4.43", features = ["serde"] }
+clap = { version = "4.5.54", features = ["derive"] }
+env = "1.0.1"
+ron = "0.12.0"
+serde = { version = "1.0.228", features = ["derive"] }
--- a/autotodo/data/notes.md
+++ b/autotodo/data/notes.md
@@ -0,0 +1,23 @@
+# 27.01.2026
+
+- [ ] Test 1
+- [ ] Test 2
+
+# 28.01.2026
+
+- [x] Test 1
+- [ ] Test 2
+- [ ] Test 3
+- [x] Test 4
+- [x] Test 5
+
+# 2026-01-29
+
+- [ ] Test 2
+- [ ] Test 3
+
+# 2026-02-03
+
+- [ ] Test 2
+- [ ] Test 3
+
--- a/autotodo/data/patterns.ron
+++ b/autotodo/data/patterns.ron
@@ -0,0 +1,16 @@
+[
+	(
+		name: "Rechnung Gertrudenhof",
+		pattern: Monthly(dom: 1),
+	),
+	(
+		name: "Rechnung STG",
+		pattern: MonthlyOpt(dom: 1, months: [February, May, August, November]),
+	),
+	(
+		name: "Kalender durchlesen",
+		pattern: Weekly(dow: 1),
+	),
+]
+
+
--- a/autotodo/src/main.rs
+++ b/autotodo/src/main.rs
@@ -0,0 +1,157 @@
+use chrono::{self, Local, NaiveDate};
+use clap::Parser;
+use std::{
+    collections::HashSet,
+    fmt::Write as _,
+    fs::OpenOptions,
+    io::{BufRead, BufReader, Read, Seek, Write as _},
+    path::{Path, PathBuf},
+};
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    notes: PathBuf,
+    patterns: Option<PathBuf>,
+}
+
+// #[derive(Serialize, Deserialize, Debug)]
+// enum Pattern {
+//     Yearly {
+//         doy: u32,
+//     },
+//     MonthlyOpt {
+//         dom: u32,
+//         months: Vec<chrono::Month>,
+//     },
+//     Monthly {
+//         dom: u32,
+//     },
+//     Weekly {
+//         dow: u32,
+//     },
+//     Daily,
+// }
+
+// #[derive(Serialize, Deserialize, Debug)]
+// struct Position {
+//     name: String,
+//     pattern: Pattern,
+// }
+
+fn is_done(bytes: &[u8]) -> bool {
+    return bytes == b"- [x]" // done
+        || bytes == b"- [n]" // no
+        || bytes == b"- [i]" // into issue
+        || bytes == b"- [d]" // someone else did it / took "assignment" (spiritual or actually in Gitea)
+        || bytes == b"- [r]" // tried unsucessfully, have to retry
+        || bytes == b"- [m]" // moved to a later, specified time
+        || bytes == b"- [c]" // i will come back to this when i feel like it, but no need to track it now
+        || bytes == b"- [p]" // Made progress, but not done
+        || bytes == b"- [q]"; // deprecated / morphed into another todo
+}
+
+fn update_notes(notes_path: &Path) {
+    let mut file = OpenOptions::new()
+        .read(true)
+        .write(true)
+        .open(notes_path)
+        .expect("file should exist");
+    let mut bufreader = BufReader::new(&file);
+    let mut linebuf = String::new();
+    let mut all_lines = String::new();
+    let mut latest_date = NaiveDate::MIN;
+    let mut lines_to_not_use: Vec<usize> = Vec::new();
+
+    // Find todo-type lines
+    let mut n_lines = 0;
+    while let Ok(n) = bufreader.read_line(&mut linebuf) {
+        if n == 0 {
+            break;
+        }
+
+        if linebuf == "\n" {
+            linebuf.clear();
+            continue;
+        }
+
+        let trimmed_str = linebuf.trim();
+        let trimmed_bytes = trimmed_str.as_bytes();
+
+        dbg!(&linebuf, trimmed_str, trimmed_bytes);
+        let Some(prefix) = trimmed_bytes.get(0..5) else {
+            continue;
+        };
+        if prefix == b"- [ ]" || is_done(prefix) {
+            all_lines.push_str(&linebuf);
+            n_lines += 1;
+        } else if trimmed_bytes.get(0) == Some(&b'#') {
+            if let Some(header_cont) = trimmed_str.get(1..)
+                && let Ok(date) = NaiveDate::parse_from_str(header_cont, "%Y-%m-%d")
+            {
+                if date > latest_date {
+                    latest_date = date;
+                }
+            }
+        }
+        linebuf.clear();
+    }
+
+    let mut todos_hashset: HashSet<&str> = HashSet::new();
+    let split_lines = all_lines.rsplit("\n");
+    for (rev_idx, line) in split_lines.enumerate() {
+        let org_idx = n_lines - rev_idx;
+        let trimmed_str = line.trim();
+        let trimmed_bytes = trimmed_str.as_bytes();
+        let Some(prefix) = trimmed_bytes.get(0..5) else {
+            continue;
+        };
+        let Some(todotext) = trimmed_str.get(6..) else {
+            continue;
+        };
+        if !todos_hashset.insert(todotext) || is_done(prefix) {
+            lines_to_not_use.push(org_idx);
+        }
+    }
+
+    // line break as needed
+    bufreader.seek(std::io::SeekFrom::End(-2)).unwrap_or_else(|e| panic!("file is shorter than two characters. you dont need a todo program for that amount of todos, enjoy your life. Error is: {e}"));
+    let mut last_two_bytes = [0u8, 0u8];
+    bufreader.read_exact(&mut last_two_bytes).unwrap_or_else(|e| panic!("file is shorter than two characters. you dont need a todo program for that amount of todos, enjoy your life. Error is: {e}"));
+    if last_two_bytes != *b"\n\n" {
+        write!(linebuf, "\n").unwrap_or_else(|e| panic!("{e}"));
+    }
+
+    // Header line
+    let today = Local::now().date_naive();
+    if latest_date < today {
+        writeln!(linebuf, "# {}\n", today).unwrap_or_else(|e| panic!("{e}"));
+    } else {
+        println!("Come back tomorrow!"); // TODO Handle this
+        return;
+    }
+
+    let mut cur = lines_to_not_use.len() - 1;
+    for (idx, line) in all_lines.split("\n").enumerate() {
+        if lines_to_not_use.get(cur).unwrap() == &idx {
+            cur = cur.saturating_sub(1);
+        } else {
+            writeln!(linebuf, "{line}").unwrap_or_else(|e| panic!("{e}"));
+        }
+    }
+
+    file.write_all(linebuf.as_bytes()).unwrap_or_else(|e| panic!("Maaan look out for these files. Error is: {e}"));
+}
+
+// fn parse_patterns(notes_path: &Path, patterns_path: &Path) {
+//     // Put all patternized todos into today
+// }
+
+fn main() {
+    let args = Args::parse();
+
+    update_notes(&args.notes);
+    // if let Some(patterns_path) = args.patterns {
+    //     parse_patterns(&args.notes, &patterns_path);
+    // }
+}
--- a/bezier.py
+++ b/bezier.py
@@ -0,0 +1,139 @@
+import matplotlib.pyplot as plt
+import matplotlib.animation as animation
+import math
+import numpy as np
+
+def binom(n,k):
+    return math.factorial(n) / (math.factorial(k) * math.factorial(n - k))
+
+def bernstein(n,t):
+    return [binom(n,i) * t**i * (1-t)**(n-i) for i in range(n + 1)]
+
+
+def d(x1,x2,y1,y2):
+    return ( (x2 - x1)**2 + (y2 - y1)**2 )**0.5
+
+data_raw = [
+    [235.00,575.00], [233.17,556.00], [233.17,556.00],
+    [233.17,556.00], [231.00,527.00], [231.00,527.00],
+    [231.00,527.00], [230.00,511.00], [230.00,511.00],
+    [229.94,475.20], [229.45,449.75], [236.60,414.00],
+    [239.09,401.53], [242.12,389.00], [246.34,377.00],
+    [248.41,371.15], [251.27,365.69], [258.00,364.52],
+    [261.15,363.97], [268.57,365.36], [272.00,365.92],
+    [272.00,365.92], [301.00,371.63], [301.00,371.63],
+    [337.38,380.56], [372.25,392.25], [404.00,412.69],
+    [416.22,420.56], [427.67,428.72], [438.00,439.00],
+    [440.89,441.88], [448.02,450.26], [452.00,450.27],
+    [454.77,450.27], [458.80,446.99], [461.00,445.37],
+    [461.00,445.37], [477.00,434.33], [477.00,434.33],
+    [477.00,434.33], [516.00,411.14], [516.00,411.14],
+    [521.98,407.82], [534.70,400.58], [541.00,399.47],
+    [550.35,397.82], [561.69,407.46], [570.00,411.74],
+    [572.89,413.23], [576.70,415.53], [580.00,415.18],
+    [582.08,414.97], [588.67,412.13], [591.00,411.20],
+    [591.00,411.20], [611.00,403.42], [611.00,403.42],
+    [625.33,398.06], [645.91,392.72], [661.00,389.80],
+    [661.00,389.80], [703.00,384.00], [703.00,384.00],
+    [703.00,384.00], [712.00,384.00], [712.00,384.00],
+    [712.00,384.00], [724.00,383.00], [724.00,383.00],
+    [751.41,382.96], [772.23,382.21], [799.00,374.57],
+    [813.18,370.53], [828.67,363.19], [841.00,355.14],
+    [848.30,350.37], [855.56,343.39], [863.00,340.00],
+    [864.22,346.33], [860.96,350.07], [859.21,356.00],
+    [857.26,362.60], [857.54,370.69], [860.35,377.00],
+    [868.65,395.69], [891.13,403.38], [909.00,409.33],
+    [933.40,417.47], [952.26,425.77], [975.00,437.78],
+    [987.65,444.46], [1000.18,452.30], [1012.00,460.34],
+    [1015.70,462.86], [1021.34,468.39], [1025.99,466.08],
+    [1028.91,464.62], [1038.31,452.38], [1041.28,449.00],
+    [1048.84,440.41], [1057.91,432.59], [1067.00,425.65],
+    [1096.71,402.96], [1138.78,385.68], [1175.00,376.63],
+    [1175.00,376.63], [1208.00,368.40], [1208.00,368.40],
+    [1212.37,367.54], [1219.67,365.79], [1223.81,368.40],
+    [1227.93,370.55], [1230.21,378.63], [1231.67,383.00],
+    [1235.53,394.58], [1240.24,412.98], [1242.25,425.00],
+    [1248.69,463.61], [1250.00,501.06], [1245.84,540.00],
+    [1245.84,540.00], [1239.79,578.00], [1239.79,578.00],
+    [1238.16,585.67], [1235.64,593.15], [1235.00,601.00],
+    [1241.19,599.47], [1245.20,595.25], [1250.00,591.25],
+    [1250.00,591.25], [1271.00,573.17], [1271.00,573.17],
+    [1301.63,545.60], [1327.90,515.83], [1351.41,482.00],
+    [1351.41,482.00], [1373.72,447.00], [1373.72,447.00],
+    [1375.36,444.16], [1379.24,436.87], [1383.56,439.28],
+    [1388.01,441.76], [1381.78,454.41], [1380.42,458.00],
+    [1380.42,458.00], [1357.72,515.00], [1357.72,515.00],
+    [1330.50,578.08], [1300.28,629.25], [1260.29,685.00],
+    [1260.29,685.00], [1227.58,726.00], [1227.58,726.00],
+    [1221.64,732.97], [1214.42,739.11], [1215.10,749.00],
+    [1215.53,755.32], [1221.42,767.85], [1224.14,774.00],
+    [1235.06,798.70], [1251.02,819.02], [1270.00,838.00],
+    [1270.00,838.00], [1293.99,859.20], [1293.99,859.20],
+    [1297.51,862.12], [1302.08,865.88], [1301.51,871.00],
+    [1301.04,875.17], [1296.56,880.76], [1294.00,884.00],
+    [1294.00,884.00], [1276.00,906.00], [1276.00,906.00],
+    [1248.58,937.78], [1225.95,961.62], [1194.00,989.13],
+    [1094.90,1074.47], [971.72,1130.24], [842.00,1147.72],
+    [820.90,1150.56], [799.27,1152.97], [778.00,1153.00],
+    [778.00,1153.00], [761.00,1154.00], [761.00,1154.00],
+    [761.00,1154.00], [720.00,1153.00], [720.00,1153.00],
+    [720.00,1153.00], [710.00,1152.09], [710.00,1152.09],
+    [710.00,1152.09], [679.00,1149.72], [679.00,1149.72],
+    [672.74,1148.96], [657.43,1146.64], [652.00,1147.17],
+    [638.98,1148.45], [637.72,1151.92], [628.00,1155.91],
+    [620.06,1159.17], [610.56,1160.65], [602.00,1159.83],
+    [569.31,1156.71], [523.63,1143.05], [493.00,1130.80],
+    [418.51,1101.00], [346.38,1052.53], [287.00,998.83],
+    [253.81,968.81], [224.81,936.35], [197.42,901.00],
+    [197.42,901.00], [179.34,876.00], [179.34,876.00],
+    [176.97,872.48], [173.45,867.50], [174.35,863.00],
+    [175.36,857.98], [182.19,853.60], [186.00,850.55],
+    [192.40,845.43], [204.46,834.84], [209.91,829.00],
+    [222.15,815.87], [232.76,802.18], [242.32,787.00],
+    [242.32,787.00], [251.80,771.00], [251.80,771.00],
+    [252.93,769.08], [254.85,765.20], [256.49,763.93],
+    [258.42,762.45], [267.16,760.82], [270.00,760.21],
+    [270.00,760.21], [299.00,754.00], [299.00,754.00],
+    [247.20,699.70], [203.92,634.86], [168.31,569.00],
+    [168.31,569.00], [146.26,524.00], [146.26,524.00],
+    [146.26,524.00], [119.81,460.00], [119.81,460.00],
+    [118.69,457.06], [115.36,447.70], [115.01,445.00],
+    [114.71,442.72], [115.05,439.63], [118.07,439.63],
+    [121.71,439.63], [124.95,446.26], [126.68,449.00],
+    [126.68,449.00], [146.02,479.00], [146.02,479.00],
+    [163.90,504.93], [184.76,528.76], [207.00,551.00],
+    [213.14,557.14], [227.44,572.42], [235.00,575.00],
+]
+
+for p in data_raw:
+    p[0] = (p[0] - 750.0) / 1000.0
+    p[1] = (750.0 - p[1]) / 1000.0
+
+
+x = []
+y = []
+for i in range(int((len(data_raw) - 1) / 3)):
+    idx = i * 3
+    # dis = d(data_raw[idx+1][0], data_raw[idx+4][0], data_raw[idx+1][1], data_raw[idx+4][1])
+    b1 = [data_raw[idx+i][0] for i in range(1,5)]
+    b2 = [data_raw[idx+i][1] for i in range(1,5)]
+    for t in np.linspace(0,1,200):
+        b = bernstein(len(b1) - 1, t)
+        x.append(sum([b[i] * b1[i] for i in range(len(b1))]))
+        y.append(sum([b[i] * b2[i] for i in range(len(b2))]))
+
+proc_x = []
+proc_y = []
+for (re, im) in zip(x,y):
+    if len(proc_x) == 0 or d(re, proc_x[-1], im, proc_y[-1]) > 0.01:
+        proc_x.append(re)
+        proc_y.append(im)
+
+print(proc_x)
+print(proc_y)
+print(len(proc_x))
+plt.scatter(proc_x,proc_y)
+# fig, ax = plt.subplots()
+# ani = animation.FuncAnimation(fig=fig, func=update, frames=1000, interval=1)
+plt.show()
+
--- a/fourier_epicycles/.gitignore
+++ b/fourier_epicycles/.gitignore
@@ -0,0 +1 @@
+target/
--- a/fourier_epicycles/Cargo.lock
+++ b/fourier_epicycles/Cargo.lock
--- a/fourier_epicycles/Cargo.toml
+++ b/fourier_epicycles/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "fourier_epicycles"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+eframe = "0.33.3"
+egui = "0.33.3"
+egui_plot = "0.34.0"
+num = "0.4.3"
--- a/fourier_epicycles/src/main.rs
+++ b/fourier_epicycles/src/main.rs
--- a/notes.md
+++ b/notes.md
@@ -3,6 +3,8 @@ i: into issue
 d: someone else did it / took "assignment" (spiritual or actually in Gitea)
 r: tried unsucessfully, have to retry
 m: moved to a later, specified time
+c: i will come back to this when i feel like it, but no need to track it now
+p: Made progress, but not done

 # 2025-11-18

@@ -453,34 +455,33 @@ m: moved to a later, specified time
 # 2025-12-19

 - [x] Thomas 10 Uhr
- [ ] GTH Doc anpassen
+- [ ] masterdoc anpassen
  - [x] "Auszug unserer Referenzen"
  - [x] pandaloop.de
  - [x] Smarter Einstieg Header über Console
  - [ ] Abbinder wir freuen uns + Gimmick
  - [ ] Cloud zu Business Software
  - [ ] Luftiger (3 Seiten)
-  - [ ] Chaotische IT umformulieren (komplex, viele verschiedene IT-Systeme, unübersichtlich)
-  - [ ] Unzufrieden mit *der* Website
-  - [ ] Identität -> CI (ausf.)
-  - [ ] per Hand -> Noch kein CRM in Benutzung
-  - [ ] *Werbe*-E-Mails
-  - [ ] *CRM*-Erweiterung
-  - [ ] um *vielfältiges / individuelles* Filtersystem
-  - [ ] Kassen fallen oft aus -> Kassensysteme sind fehleranfällig
-  - [ ] offener -> Open-Source
-  - [ ] nicht gebunden, flexibel, unabhängig
-  - [ ] Abkehr von teuren Lizenzmodellen
-  - [ ] GTH: Auch im Text explizit sein (Ticketsystem, bargeldloser Hof, Verlässlichkeit, Seriös)
-  - [ ] stabile Basis -> Stabiles IT-Basissystem
-  - [ ] neue spannende Projekte
-  - [ ] *ermöglichen*
+  - [x] Chaotische IT umformulieren (komplex, viele verschiedene IT-Systeme, unübersichtlich)
+  - [x] Unzufrieden mit *der* Website
+  - [x] Identität -> CI (ausf.)
+  - [x] per Hand -> Noch kein CRM in Benutzung
+  - [x] *Werbe*-E-Mails
+  - [x] *CRM*-Erweiterung
+  - [n] um *vielfältiges / individuelles* Filtersystem
+  - [x] Kassen fallen oft aus -> Kassensysteme sind fehleranfällig
+  - [x] offener -> Open-Source
+  - [x] nicht gebunden, flexibel, unabhängig
+  - [n] Abkehr von teuren Lizenzmodellen
+  - [x] GTH: Auch im Text explizit sein (Ticketsystem, bargeldloser Hof, Verlässlichkeit, Seriös)  - [n] stabile Basis -> Stabiles IT-Basissystem
+  - [x] neue spannende Projekte
+  - [x] *ermöglichen*
  - [n] IT von einer Schwäche zu einer Stärke machen
  - [x] Neue Umsätze, optimierte Abläufe
  - [x] Adbelt Schlusssatz dazu
  - [x] Adbelt: Satz mit "Erweiterbarkeit" zu verschachtelt
  - [x] "Was hats gebracht": Verwaltung automatisiert, viel Zeit sparen, richtig arbeiten können (auch im Text)
-  - [ ] Insgesamt: Mehr Fokus auf Gains + Fazit
+  - [x] Insgesamt: Mehr Fokus auf Gains + Fazit
  - [x] STG: Schlusssatz
 - [ ] Island: Cloud Produkt zu Business Software Produkt
 - [ ] Anh-Tuan schreiben
@@ -493,13 +494,470 @@ m: moved to a later, specified time
  - [ ] Change Handelsregister (Notar does this)
 - [ ] NEXT DOOR in Person besichtigen (bis Ende des Jahres)

-## Hypelist
+# 2025-12-22

- Aqualand
- Remagen
- Netcologne
- GTH HA
- GTH Odoo
- Justfit Next Door
- Adbelt
- Schokoladenmuseum
+- [r] masterdoc anpassen
+  - [r] Abbinder wir freuen uns + Gimmick
+  - [r] Cloud zu Business Software
+  - [r] Luftiger (3 Seiten)
+- [ ] Physik
+- [ ] Nextcloud aufräumen
+- [x] Zocken
+- [x] Mika Geld schicken
+- [x] Sachausgabe in cow_hours
+- [x] Mockup AWH
+- [x] Gehälter
+
+- [ ] Island: Cloud Produkt zu Business Software Produkt
+- [ ] Anh-Tuan schreiben
+- [ ] Kreditbedingungen Wojtek herausfinden?
+- [ ] Sehtest / Brille
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+- [ ] NEXT DOOR in Person besichtigen (bis Ende des Jahres)
+
+# 2025-12-23
+
+- [ ] Physik
+- [r] GTH Doc anpassen
+  - [r] Abbinder wir freuen uns + Gimmick
+  - [r] Cloud zu Business Software
+  - [r] Luftiger (3 Seiten)
+  - [ ] CTA noch mehr inhaltlich (sprechen gut, aber auch inhaltlich ("transformieren" oder so))
+  - [ ] backslash in hallo@pandaloop.de
+  - [ ] Tool-Übersicht (Software die wir einsetzen können (Odoo, HA, Rust, MikroTik))
+- [ ] Proposal Dokument touch ups
+- [ ] Buch abholen
+- [ ] Wann Deadline für unsere privaten Steuererklärungen
+- [ ] Wojtek
+
+- [ ] Cow hours bugs (pre und post runden)
+- [ ] Nextcloud aufräumen
+- [ ] Island: Cloud Produkt zu Business Software Produkt
+- [ ] Anh-Tuan schreiben
+- [ ] Kreditbedingungen Wojtek herausfinden?
+- [ ] Sehtest / Brille
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+- [ ] NEXT DOOR in Person besichtigen (bis Ende des Jahres)
+
+# 2025-12-23
+
+- [x] Physik
+- [r] GTH Doc anpassen
+  - [r] Abbinder wir freuen uns + Gimmick
+  - [r] Cloud zu Business Software
+  - [r] Luftiger (3 Seiten)
+  - [ ] CTA noch mehr inhaltlich (sprechen gut, aber auch inhaltlich ("transformieren" oder so))
+  - [ ] backslash in hallo@pandaloop.de
+  - [ ] Tool-Übersicht (Software die wir einsetzen können (Odoo, HA, Rust, MikroTik))
+- [ ] Proposal Dokument touch ups
+- [x] Buch abholen
+- [ ] Wann Deadline für unsere privaten Steuererklärungen
+- [ ] Wojtek
+
+- [ ] Cow hours bugs (pre und post runden)
+- [ ] Nextcloud aufräumen
+- [ ] Island: Cloud Produkt zu Business Software Produkt
+- [ ] Anh-Tuan schreiben
+- [ ] Kreditbedingungen Wojtek herausfinden?
+- [ ] Sehtest / Brille
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+- [ ] NEXT DOOR in Person besichtigen (bis Ende des Jahres)
+
+# 2025-12-29
+
+- [x] Proposal Dokument touch ups
+- [r] masterdoc anpassen
+  - [r] Abbinder wir freuen uns + Gimmick
+  - [r] Cloud zu Business Software
+  - [r] Luftiger (3 Seiten)
+  - [ ] CTA noch mehr inhaltlich (sprechen gut, aber auch inhaltlich ("transformieren" oder so))
+  - [ ] backslash in hallo@pandaloop.de
+  - [ ] Tool-Übersicht (Software die wir einsetzen können (Odoo, HA, Rust, MikroTik))
+- [x] Wann Deadline für unsere privaten Steuererklärungen -> 30.04.2026
+- [x] Wojtek anschreiben
+- [x] Januar Üebrlegungen mit Hassan
+  - [x] Aqualand
+  - [x] Remagen
+  - [x] Netcologne
+  - [x] GTH HA
+  - [x] GTH Odoo
+  - [x] Justfit Next Door
+  - [x] Adbelt
+  - [x] Schokoladenmuseum
+  - [x] Intratone
+
+- [ ] Cow hours bugs (pre und post runden)
+- [ ] Nextcloud aufräumen
+- [ ] Island: Cloud Produkt zu Business Software Produkt
+- [x] Anh-Tuan schreiben
+- [ ] Kreditbedingungen Wojtek herausfinden?
+- [ ] Sehtest / Brille
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+- [ ] NEXT DOOR in Person besichtigen (bis 06.01.)
+
+# 2026-01-02
+
+- [r] masterdoc anpassen
+  - [r] Abbinder wir freuen uns + Gimmick
+  - [r] Cloud zu Business Software
+  - [r] Luftiger (3 Seiten)
+  - [ ] CTA noch mehr inhaltlich (sprechen gut, aber auch inhaltlich ("transformieren" oder so))
+  - [ ] backslash in hallo@pandaloop.de
+  - [ ] Tool-Übersicht (Software die wir einsetzen können (Odoo, HA, Rust, MikroTik))
+- [ ] Rechnung GTH
+- [ ] Rechnung Tim + Report
+- [ ] ICDSA angucken
+- [ ] Graphite angucken
+- [n] Cow hours bugs (pre und post runden)
+- [ ] Nextcloud aufräumen
+- [ ] Island: Cloud Produkt zu Business Software Produkt
+- [ ] Kreditbedingungen Wojtek herausfinden?
+- [ ] Sehtest / Brille
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+- [ ] NEXT DOOR in Person besichtigen (bis 06.01.)
+
+# 2026-01-05
+
+- [x] masterdoc anpassen
+  - [x] Abbinder wir freuen uns + Gimmick
+  - [x] Cloud zu Business Software
+  - [x] Luftiger (3 Seiten)
+  - [x] CTA noch mehr inhaltlich (sprechen gut, aber auch inhaltlich ("transformieren" oder so))
+  - [x] backslash in hallo@pandaloop.de
+  - [x] Tool-Übersicht (Software die wir einsetzen können (Odoo, HA, Rust, MikroTik))
+- [x] Rechnung GTH
+- [x] Rechnung Tim + Report
+- [r] Bundesanzeiger Unstimmigkeitsmeldung
+- [ ] Physik
+
+- [x] Island: Cloud Produkt zu Business Software Produkt
+- [ ] ICDSA angucken
+- [ ] Graphite angucken
+- [ ] Nextcloud aufräumen
+- [ ] Sehtest / Brille
+- [ ] NEXT DOOR in Person besichtigen
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-06
+
+- [x] Tim antworten
+- [ ] Bundesanzeiger Unstimmigkeitsmeldung
+- [x] Thomas Meeting
+  - [x] Erster Text griffiger / expliziter "Was machen wir anders / besonders:" ("zuverlässig", "verlässlich", "schnell", "allumfassend")
+  - [x] Kundenzitat
+  - [n] Schnelle Auffassungsgabe
+  - [x] "kurz gesagt: Egal was dein IT-Problem ist, wir können helfen."
+  - [x] "Ich habe nicht geglaubt, dass die eierlegende Wollmilchsau wirklich existiert. Pandaloop hat mich eines besseren belehrt."
+  - [x] Griffiger, Mehr Arroganz, knapper, evtl. Kundenstimme, schon noch kurze Antwort auf "Was" drin haben
+  - [x] CTA: "Lassen Sie uns über Ihre IT sprechen."
+  - [c] Website: auch ein CTA
+  - [c] Website: Interaktive Elemente (Bot, In Kontakt treten, Preis-Rechner)
+  - [ ] Website: Thomas auf Website
+- [x] Kübra antworten (UstIDNr Meldung)
+- [ ] Thomas Mail Feedback
+
+- [ ] Physik
+- [ ] ICDSA angucken
+- [ ] Graphite angucken
+- [ ] Nextcloud aufräumen
+- [ ] Sehtest / Brille
+- [ ] NEXT DOOR in Person besichtigen
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-07
+
+- [x] Bundesanzeiger Unstimmigkeitsmeldung -> mal schauen obs funktioniert
+- [ ] Anh-Tuan
+- [p] Netcologne Doc -> Draft
+- [ ] Bob
+
+- [ ] Physik
+- [ ] ICDSA angucken
+- [ ] Graphite angucken
+- [ ] Nextcloud aufräumen
+- [ ] Sehtest / Brille
+- [ ] NEXT DOOR in Person besichtigen
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-08
+
+- [ ] Physik
+  - [x] Bell Theorem
+  - [ ] Lernplan
+- [ ] Anh-Tuan
+- [ ] Netcologne Doc
+- [ ] Bob
+- [x] Aqualand Thomas
+- [x] Spotify Player
+- [x] Essen
+- [x] Zoggen
+- [ ] DnD Character
+- [ ] NEXT DOOR in Person besichtigen
+
+- [c] ICDSA angucken
+- [c] Graphite angucken
+- [c] Nextcloud aufräumen
+- [c] Sehtest / Brille
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-09
+
+- [ ] Physik
+  - [ ] Lernplan (GT, Prüfungen, P5, Recr)
+  - [ ] GT
+- [ ] Anh-Tuan
+- [ ] Netcologne Doc
+- [ ] Bob
+- [ ] DnD Character
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-12
+
+- [ ] Schild "keine Werbung"
+- [ ] Aufräumen organisieren?
+- [ ] Physik
+  - [ ] Lernplan (GT, Prüfungen, P5, Recr)
+  - [ ] GT
+- [ ] Anh-Tuan
+- [ ] Netcologne Doc
+- [ ] Bob
+- [ ] DnD Character
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-13
+
+- [ ] Mika Attest
+- [ ] Corni Brief
+- [p] Netcologne Doc
+- [ ] Akquise
+- [ ] Schild "keine Werbung"
+- [ ] Aufräumen organisieren?
+
+- [ ] Physik
+- [ ] Bob
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-14
+
+- [ ] Mika Attest
+- [x] Netcologne Doc
+- [ ] Schild "keine Werbung"
+- [ ] Aufräumen organisieren?
+
+- [ ] Physik
+- [ ] Bob
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+- [ ] E-Feld bei Kabeln
+- [ ] Retardiertes Feld
+
+# 2026-01-15
+
+- [x] Pit Doc
+- [ ] Akquise
+- [ ] Physik
+- [x] Jörg?
+- [r] Uli?
+- [ ] Wojtek?
+
+- [x] Schild "Pandaloop" & "keine Werbung"
+- [ ] Aufräumen organisieren?
+
+- [ ] Bob
+
+- [ ] Wojtek & R1
+  - [ ] Kreditbedingungen herausfinden
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-16
+
+- [ ] CRM updaten
+- [x] Morello Code aktualisieren
+- [x] Thomas Überweisung
+- [ ] AWH
+- [ ] Physik
+
+- [ ] Aufräumen organisieren?
+
+- [ ] Bob
+
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-19
+
+- [x] Remagen Meeting
+  - KI im Verkauf
+  - Prompting Fortbildung?
+  - Altlast abschaffen
+  - Herr Hammel
+  - Noch mehr Programme
+  - CSB wird mit IDs aufgerufen?
+  - unsere Aufgabe: Strukturiert zusammentragen
+  - 250 Mitarbeiter
+  - 2010:27M, Heute: 82M
+  - Digitalisierung ist das Hauptziel
+  - Beide ERPs benutzen
+  - Prozesse simulieren
+  - Alles kg
+  - Scanner bekommt keine EDI-Infos?
+  - Playbooks schreiben
+  - Rechte Hände vom Bollig
+  - Machines in ...GLT?
+  - Manuell oder händisch scannen
+  - Wareneingang, EK, Nummernkreise
+  - Haupteingang
+  - Morgen Aufgaben: 1. Realprozesse verstehen 2. Interaktionen mit System verstehen 3. Aufbau der Datensätze verstehen 4. Änderungsbedarfe an Datensätzen aufnehmen
+
+Aktuelle Projekte:
+- Odoo / Orion
+- Bob
+- Leads (Remagen)
+
+- [r] Bob
+- [x] GTH Doc einen Punkt adden (Hassan)
+- [ ] Physik
+- [x] CRM updaten
+- [x] Bescheid geben wegen meiner Akquise
+- [x] Bisschen Überblick bekommen (STG Rechnung zb hatte ich irgendwie nicht aufm Schirm)
+- [ ] Solti Vertrag?
+- [ ] ToDo-Automatisierungsprogramm?
+- [ ] Neues Morello Programm?
+
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-22
+
+- [x] Thmomas meeting
+  - Außendarstellung: Nach Feedback fragen
+  - Yncoris als Projektarbeit
+  - Yncoris schon Termin?
+- [x] Thomas Termin schicken Netcologne
+- [x] Cow hours
+- [x] Hassan Gespräch mit Elmar (bevor ihr die erste Rechnung schickt...) -> Nochmal Bedürfnisse klären (Stundenzettel, Eigenständigkeit, Rosa-Äquivalent)
+- [x] Martin Termin shcicken
+- [ ] Remagen
+  - [ ] Vertrag
+  - [ ] Stundendoc
+  - [ ] Repo
+- [ ] Bob
+- [ ] Physik
+- [ ] Orion
+  - [ ] Vertrag
+  - [ ] Rechnung über Odoo / 12
+- [n] ToDo-Automatisierungsprogramm? -> neues Todo
+- [ ] Neues Morello Programm?
+- [ ] Transparenzregister
+
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
+
+# 2026-01-23
+
+- [ ] Transparenzregister
+- [ ] Compliance Check
+- [ ] 2 Mails
+  - [d] Batuhan -> Hassan
+  - [ ] Larbig Mortag
+- [ ] Aufräumen
+- [ ] autotodo
+  - [ ] Alte ToDos
+  - [ ] Case handlen dass heute schonmal Programm ausgeführt wurde
+  - [ ] Patternized ToDos
+- [ ] Remagen
+  - [ ] Vertrag
+  - [ ] Stundendoc
+  - [ ] Repo
+- [ ] Bob
+- [ ] Physik
+- [ ] Orion
+  - [ ] Vertrag
+  - [ ] Rechnung über Odoo / 12
+- [ ] Neues Morello Programm?
+
+- [ ] Wojtek & R1
+  - [ ] Termin vereinbaren
+  - [ ] Hold GSV for Wojteks end at PL
+  - [ ] Hold notary appointment for both Anteilskauf and GF-Abberufung
+  - [ ] Change Handelsregister (Notar does this)
--- a/physics.md
+++ b/physics.md
@@ -0,0 +1,40 @@
+# Group Theory
+
+## Basics
+
+- Representation: p: G -> GL(V), a map from the group the set of linear maps from V to V (ambigous if Representation means the map p or the resulting set of linear maps)
+- Lie Algebra: Vector space + inner product (vector product) that is bilinear, follows the jacobi identity, and has x*x = 0
+
+## Wigner D/d-matrix (sheet 07) -> Dive into angular momentum maths
+
+- Generator operators U(R) = exp(-ihJ), J: operator / infinitesimal rotation
+- SO(3) has exactly one irrep of dim 1,3,5,... (=2j+1) -> How does this relate to number of eigenstates?
+- SU(2) allows even dim as well (j = half-integer) because SU(2) is double cover of SO(3) -> research
+- Wigner D-Matrix gives transition probabilities between eigenstates
+- Eigenstates form basis when discrete
+- When j= 3, m=-3,-2,-1,0,1,2,3 -> states |3m> are allowed -> real states are superpositions of these basis states / eigenstates -> 7-dim space needed to describe them (even though angular momentum needs only 3d classically) -> remember in general that degrees of freedom explode as 2^n because superpositions are allowed
+- j fixes total angular momentum, m fixes z component
+- angular momentum operator algebra is inherent to so(3) lie algebra
+
+## Questions / open things
+
+- Where does the inherent need for SO(3) come from? Why are the possible state spaces the irreps of SO(3)?
+  -> The operators that rotate states (in physical space) can be called U(R(theta)), where R in SO(3). There is a homomorphism between {U(R)} and SO(3), since U(R1R2)=U(R1)U(R2). Thus U(R) is a representation. 
+     Enforcing finite-dim and irrep, this fixes dim = 2j+1.
+- What about that L/J algebra? See "Lie Algebra" german wikipedia article -> Beispiele -> Aus der Physik -> Seems as though the relation does not only hold for those three "basis matrices", but all matrices, as long as your in the basis of the L_i (wtf even is a basis of matrices)
+- Is there an intuitive notion to see how angular momentum emerges from the shapes of the wave functions?
+- How does the emergence of azimuthal dependence in superpositions of (not azimuth-constraining) eigenstates play out mathematically?
+- Why is SU(2) the double cover of SO(3)? What does that mean?
+- What role do Pauli matrices play (generators of SO(2)? idk)
+- How does one come up with the idea that operators and eigenvalues/vectors are the appropriate mathematical tools to describe QM? How does it arise? BC this alone imposes a lot of the quantization maths, since eigenvalues are discrete
+- relation between Lie algebras and Lie groups not exactly clear
+- Whats the algebra of exp of matrices -> https://de.wikipedia.org/wiki/Matrixexponential
+- Is the generator exp(-ihJ) for SO(3) just the most convinient choice or the only choice?
+
+## Next topics
+
+- Character tables and relation between conjugacy classes and irreps
+- Further sheets
+- Further lectures, explicitly everything after lecture 09
+- Wigner-Eckart Theorem (in lecture, sheet and indip research)
+  - Clebsch Gordan coeff as seperate research?
Author	SHA1	Message	Date
Jan Bergen	1a6d05c05f	new notes	2026-02-03 11:36:20 +01:00
Jan Bergen	e58a986e9f	notes	2026-01-29 17:42:10 +01:00
Jan Bergen	10540388a6	notes	2026-01-27 17:21:23 +01:00
Jan Bergen	fee91edb1a	notes	2026-01-23 20:03:48 +01:00
Jan Bergen	1967a3e1d6	start with notes program	2026-01-22 21:02:28 +01:00
Jan Bergen	a699022812	notes	2026-01-22 16:24:29 +01:00
Jan Bergen	452cc87a57	add cool cycles yeah	2025-12-30 17:42:56 +01:00
Jan Bergen	f0fb852d57	add notes 23.12.	2025-12-23 14:34:41 +01:00
Jan Bergen	3d95a3ccd9	upate	2025-12-22 21:25:24 +01:00
Jan Bergen	cee0fa068f	some work from home	2025-12-21 15:23:21 +01:00