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During my university time I got in touch with #TeXLaTeX and I am stuck till then. It began as user. I have written my dissertation in LaTeX. Then I started writing packages. I have published some on #CTAN. Amoung them #BibTool.
Professionally I worked as consultant for IT projects, mainly in the context of Web and Java.
In 2011 I joined the CTAN team. I have build and maintained the Web portal. Now I am retired and still work on release 3 of CTAN. But there is much to do...Any help is welcome.

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Computer Scientist. Assistant professor interested in counting and reasoning under uncertainty. Feminist. Trekkie. Traveller. LaTeX enthusiast.

"Clearly not very smart" - a former colleague
"Exceptional in every way. 10/10" - one of my former students

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Working on getting a PhD via type-driven development @ TU Delft

","updated":"2026-03-11 15:36:44.802Z","user":"","username":"Sára Juhošová"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-27 23:03:28.656Z","domain":"tldr.nettime.org","followerCount":631,"followers":"https://tldr.nettime.org/users/dk/followers","following":"https://tldr.nettime.org/users/dk/following","followingCount":1020,"icon":"https://tldr.nettime.org/system_nettime/accounts/avatars/109/432/875/778/370/791/original/e44a403eb06c2784.jpg","id":"xezbkncvbm9h5in","inbox":"https://tldr.nettime.org/users/dk/inbox","iri":"https://tldr.nettime.org/users/dk","isLocal":false,"last_fetched":"2026-03-11 15:36:45.049Z","outbox":"https://tldr.nettime.org/users/dk/outbox","preferred_username":"dk","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlALMap9VslqLf230gjFU\nyNsMpQ4JfxaHyAiXLmUrKBVh5k654jF3vtGo2ItHBpnaZh7ZFQwW/DZeKJPJT4yx\nUJ6xblhIn0Emmu9cZ+abV+6OubkMzo/f8E/Wwfsm5fqrDokb1Yu7xdjAwWW9/khl\nM4mOPftyBTKufOpJgCLUCJD42L6lVGC8xQBFjvsjozMCphwA9yzureqVtsupQrr4\nYCBTZLPk5b/eUoXwFqGyLbiLYReeW+UkUBJM1mBWa9SzYpSnf5BV5+SC0KEeOxDh\nW7JlyZSSL55CF+Mi9ghHiqIcjlGsLQkx0uZ/NMnVO+gq+W6z1+MQruxWhaiqc+d3\nkwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-11-30 00:00:00.000Z","summary":"

Venture Communist

","updated":"2026-03-11 15:36:45.050Z","user":"","username":"Dmytri"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-30 09:03:24.292Z","domain":"mastodon.social","followerCount":1975,"followers":"https://mastodon.social/users/helma/followers","following":"https://mastodon.social/users/helma/following","followingCount":860,"icon":"https://files.mastodon.social/accounts/avatars/108/255/036/824/909/071/original/66e610b1dbf52fc5.jpg","id":"hc2vdp90gg3argr","inbox":"https://mastodon.social/users/helma/inbox","iri":"https://mastodon.social/users/helma","isLocal":false,"last_fetched":"2026-03-11 15:36:45.373Z","outbox":"https://mastodon.social/users/helma/outbox","preferred_username":"helma","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5ktWgFz514A7UiBqexAt\npjvmoNAChu6D7j4Lgaq4ZhWO+1SWcWPAKVZcbmFndpMg+piXLr/y62NMLhCH51WC\nrc2BVP5QCF4KWT87QRFTO0HQlnSR1Leam9tIn1VL2G/5Fld9lKmj8eISQsPQuxHZ\n5DpY8dC55+2kXcKYAheykjJf7sC5SKtzyuaau7662ppjj7pSp/e/GvG4sDF3o4mN\nQWMVqbqpgqVbD0vLAz+qsApU9QOurY/s75E7gaOOZT6aJFnUpTSquiK+p9wvafL6\nGw4N3CmJbp1kL94sWlHEKs54irmHgtnIRC4YNRJxb05E7irYkXzx8UvSNFqN/oH7\nKQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-05-06 00:00:00.000Z","summary":"

🇳🇱 🇪🇺 🇬🇧 🇧🇪 🇨🇵 🇮🇹 🟨⬜️🟪⬛️
Own photographs (unless credits)
Unfriendly people = block
Toots vaporise after a month

","updated":"2026-03-11 15:36:45.374Z","user":"","username":"Helma"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-31 18:52:55.724Z","domain":"mastodon.social","followerCount":2962,"followers":"https://mastodon.social/users/hfalcke/followers","following":"https://mastodon.social/users/hfalcke/following","followingCount":439,"icon":"https://files.mastodon.social/accounts/avatars/109/258/877/494/928/082/original/3464d382a3d211d1.png","id":"ozzez933qj7czq0","inbox":"https://mastodon.social/users/hfalcke/inbox","iri":"https://mastodon.social/users/hfalcke","isLocal":false,"last_fetched":"2026-03-11 15:36:45.464Z","outbox":"https://mastodon.social/users/hfalcke/outbox","preferred_username":"hfalcke","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvmWC6UmbsNc6ip0WYzeJ\nyTYnxnmUpN5ycw6sbbbYve4ZsbrbByr4q9Jx36xQE0lYrqfBscm5udJ2EBLrXeGJ\nzEMffbDp3oreNwy8hjnb9Ah3a353mgoRy/NBnmZVTVPeSblf3JA6nB5T2UAh9te/\nZecAFvaiLaYyLv9AlDxW1N2Fv9S1B2hZ4hL/O/AGvQ64VBvIV2vbYSzZ3MexJA6y\nQjvWWda890vKjYGpFsrIgGFpJsp5049CujNowYqaBzu9rMVrUv/Mh9VyxZH9J1Dk\nl9DKouiZpmmyrIjIjOPadbrKVPVk4PFmHyD/f3c++tvYucco/coJz9I1RTyouQc2\nfwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-30 00:00:00.000Z","summary":"

Prof. Astrophysics, columnist D/NL, bestseller author “Licht im Dunkeln/Light in the Darkness/Licht in de duisternis” about the first ever image of a black hole shadow with the Event Horizon Telescope, that I was deeply involved in. Work at Radboud University, Nijmegen (NL), live near Cologne (D). Am a happy European, Christian, dad, and granddad. #fedi22 #astronomy #science

","updated":"2026-03-11 15:36:45.465Z","user":"","username":"Prof Heino Falcke"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-29 11:29:18.010Z","domain":"mastodon.social","followerCount":8204,"followers":"https://mastodon.social/users/vicgrinberg/followers","following":"https://mastodon.social/users/vicgrinberg/following","followingCount":941,"icon":"https://files.mastodon.social/accounts/avatars/109/258/754/451/069/494/original/241bb70043350a4d.jpg","id":"9lu5s3w3ancrayw","inbox":"https://mastodon.social/users/vicgrinberg/inbox","iri":"https://mastodon.social/users/vicgrinberg","isLocal":false,"last_fetched":"2026-03-11 13:51:12.077Z","outbox":"https://mastodon.social/users/vicgrinberg/outbox","preferred_username":"vicgrinberg","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAym36JUzkQFThpx0PUKub\n0wOvuDQpCMwCnuqBukjug94arhumZpmHJ1EKL/TxXYnJXIo91zMOIQsUSi2zgIdz\nBuEFKBZZl0OAouoooDLQH6eLvgJp3GGZnFxawCQDQ1xRo3qi9WsYaxnn5zkz4FZI\naoZUStmxnSEhyn5c/TX3I2zZn7pDZ7f6n65WCM6S4VPpv9+042Qv29c0Xblz3rM7\nsvhjHJbQXGVCKF/lRI2u2+gQi/EKAs7Jzc04BVrWqqwCTyTes7stPMBYslpAaddt\nBBjmgNspEnfNNdRAA0CJ2RvvGyfOTcIfYQnvnZq/8LxjbqPiVp0C1VIg4uKMbAFE\nBwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-10-30 00:00:00.000Z","summary":"

- professional PhD astrophysicist #XraysAreTheBestRays
- published author & artist
- #ClimateCrisis & Astronomers for Planet Earth
- science communication #VicisAstro
- artwork #VicisArt
- book recs #VicisBooks
- foodie & chef #ViciCooks
- living between Zuid-Holland (50%), Süddeutschland (20%) & on the road (30%)
- she/her

Housekeeping:
- private account, not speaking for my employer
- most posts expire after 12 months
- direct messages from non-mutuals are blocked & ignored

","updated":"2026-03-11 13:51:12.077Z","user":"","username":"Dr. Victoria Grinberg"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-27 23:05:39.080Z","domain":"mastodon.social","followerCount":4048,"followers":"https://mastodon.social/ap/users/115576270601199442/followers","following":"https://mastodon.social/ap/users/115576270601199442/following","followingCount":633,"icon":"https://files.mastodon.social/accounts/avatars/115/576/270/601/199/442/original/cb316d0abbf7df78.jpeg","id":"m6hte3wo8cpbtb3","inbox":"https://mastodon.social/ap/users/115576270601199442/inbox","iri":"https://mastodon.social/ap/users/115576270601199442","isLocal":false,"last_fetched":"2026-03-11 13:51:11.853Z","outbox":"https://mastodon.social/ap/users/115576270601199442/outbox","preferred_username":"AwetTesfaiesus","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyK9G5dTEUd6vv1wKjp9e\n8VhlcgdzvhfStkGSzDs8yXlIi3Be7WoXliKr5j1yv5+El5vpipDVcWKJzjFhkWto\n0mRsmUWKza7m03CmKidgX1CipKHGVGu0lLaelHDAUecaDRQvFv5JrXURsNN6oJGD\nkEXRIA+9jLBbOqjOIEVxn2KU6tav9X1mZYiRNYhTrqYH+UrqNTGMrcz39huohNtY\ne7risnzyyMm/UmHH7UmCAUUGRFgGw07DD9I5X6uQi2AUUDHRIa9hcgIA9ZowWqcj\ncroZG2JMSoFEd+Az5pVNd0GcqCOUQNZ/6GszzIGSUxE0eUR0OURbei1BotnKPji3\nMQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2025-11-19 00:00:00.000Z","summary":"

⚖️✊🏾🌻
DE Rechtsanwältin | Mitglied des Deutschen Bundestags und die erste Schwarze Frau im Deutschen Bundestag: Bündnisgrün; Kunst/Kultur/UrhR+KI | EN Lawyer | German MP and the first Black woman in the German Bundestag: Alliance90/Greens; Art/Culture/Copyright+AI

","updated":"2026-03-11 13:51:11.856Z","user":"","username":"Awet Tesfaiesus, MdB"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2025-12-27 22:05:42.355Z","domain":"norden.social","followerCount":7727,"followers":"https://norden.social/users/hart/followers","following":"https://norden.social/users/hart/following","followingCount":6856,"icon":"https://media.norden.social/accounts/avatars/108/197/157/864/140/539/original/060dca2d561f8e8f.jpg","id":"mm9c9blibn9nobf","inbox":"https://norden.social/users/hart/inbox","iri":"https://norden.social/users/hart","isLocal":false,"last_fetched":"2026-03-11 15:36:45.536Z","outbox":"https://norden.social/users/hart/outbox","preferred_username":"hart","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr08O0AGLM+sc5Rair79/\ntO2rw+e7tCAI108iGw4a7LZfibMZt7KTprkDvhr7Ffp9HpKougrARRJrDWwSrkY1\np0/QdjrZ0qykmx3iuAGycBh0qVIZYLtQo9czkH9mkP+vJPyiWoV2YAP2B1p76f98\n7JR6Fe1sWxeCfvvVcHctYQIgXlqhgttzAzq48WN6NXQVciR0aw+BiVstXmnyS2Vg\ngeQT01m1jt1qGgYAPFuc7no3tBxNVdhbRFHXVLllYiAzZcUd0pO12Dje+BhOC3rs\nO/Hb0ByIHwCXeclB3Mi3dwpdKXVM6QNYCAjDvyrtwtDyY4ObVylFToST8ruszGjt\nBQIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-04-26 00:00:00.000Z","summary":"

Musiker, Climate 1.5° 🚴 @dwenteignen Greenpeace/DUH Förderer @frentzhart2, TennisBorussia 💚 #followbackclimate #fckafd

","updated":"2026-03-11 15:36:45.537Z","user":"","username":"Hart"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-01-02 23:58:17.926Z","domain":"social.adridoesthings.com","followerCount":392,"followers":"https://social.adridoesthings.com/users/strecken_info/followers","following":"https://social.adridoesthings.com/users/strecken_info/following","followingCount":1,"icon":"https://social.adridoesthings.com/system/accounts/avatars/111/620/884/112/201/463/original/e67b322a5b774833.jpg","id":"2phyervmvlnyleq","inbox":"https://social.adridoesthings.com/users/strecken_info/inbox","iri":"https://social.adridoesthings.com/users/strecken_info","isLocal":false,"last_fetched":"2026-03-11 15:25:31.977Z","outbox":"https://social.adridoesthings.com/users/strecken_info/outbox","preferred_username":"strecken_info","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmqXkJIIwWr/FWqvDyr2B\nVesD8GA+ie2rGtiMoxMSoSt20Vnta9riwuaMjar82j+c8F6zGCrW0ED5Kvob4me2\nrm7nVWycZoCZ/4Ozmwfbkzf8jEOga1P7D2Kv/bsa4K1S4SvKWH2ilEvU9nxAjQ2m\n+lr+257MCFbugDm1c30ODj/gShxtqLWAnVuAo9n7h88+tiWCiby0o9LZwt1cNYyL\n9BncyGapAYeugf1xTPUjAA7NFwvJeShuiOneNk5rtcLrZjiRQnPMIAUQaMScFuvr\n7kaaJ9eENAPiN/rqL0vpCoFM+kCK+60H3tvFOCBQGqN01ya44uE44fWn2ThvCgsC\ncwIDAQAB\n-----END PUBLIC KEY-----\n","published":"2023-12-21 00:00:00.000Z","summary":"

Ich werde administriert durch @adridoesthings

","updated":"2026-03-11 15:25:31.977Z","user":"","username":"Strecken Info Bot"},{"collectionId":"pbc_1295301207","collectionName":"activitypub_actors","created":"2026-03-11 15:36:45.669Z","domain":"mastodon.social","followerCount":0,"followers":"https://mastodon.social/users/leofernandesmo/followers","following":"https://mastodon.social/users/leofernandesmo/following","followingCount":0,"icon":"https://files.mastodon.social/accounts/avatars/108/257/128/626/479/494/original/4691d22cf66afd9f.jpg","id":"3dy7txynsuv09zx","inbox":"https://mastodon.social/users/leofernandesmo/inbox","iri":"https://mastodon.social/users/leofernandesmo","isLocal":false,"last_fetched":"2026-03-11 15:36:45.666Z","outbox":"https://mastodon.social/users/leofernandesmo/outbox","preferred_username":"leofernandesmo","public_key":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxhZ1AdQUQGGOS29QWRAW\nOThnsNoeh2pZBEXrvp9ETUvV3noMmt4UxNBoMixsHdEeKCMDORjNU3yNL2iqYzbs\n0LDvSd6NpETnDepdIGfEzkyNNXcv8TWaPyDoACmDJOzdExzwNTPLOlecJiTSd9Q/\ndxZyYuAxxEtoNJtrufQCWERsXuEC8dfnEO3Q5boN/FO0oENicSsAA0bZCpc8bZfS\nVvA1cACqoJsFxlynhUZPPdkBvMADdiSytqSU7TXJTnl/GLSAxtXICN3dvQ1L9WyB\ncdYIgqKgQxwob3/kNC+TPNXmBrJYyKZEBINvdelS2hhP7kLVA1K6PmKMVEDgNLs+\nawIDAQAB\n-----END PUBLIC KEY-----\n","published":"2022-05-06 00:00:00.000Z","summary":"

Software Engineering Professor and Researcher

","updated":"2026-03-11 15:36:45.669Z","user":"","username":"Leo"}],"page":1,"perPage":10,"totalItems":112,"totalPages":12}

Stephan Lukasczyk

Following