William Umboh
@swumboh.bsky.social
Lecturer in Computational Theory, School of Computing and Information Systems, University of Melbourne. Interests: Theoretical computer science and combinatorial optimisation, focussing on approximation and online algorithms. williamumboh.com
❌ paying for search engine optimization
✅ using a search term as the shop name
✅ using a search term as the shop name
October 25, 2025 at 12:36 AM
❌ paying for search engine optimization
✅ using a search term as the shop name
✅ using a search term as the shop name
Generating memes for a models of computation class
October 7, 2025 at 8:42 AM
Generating memes for a models of computation class
Hi, I’d like to report a wormhole: Departing Hong Kong 0 mins ago and arriving in Melbourne in 0 minutes.
September 13, 2025 at 8:30 PM
Hi, I’d like to report a wormhole: Departing Hong Kong 0 mins ago and arriving in Melbourne in 0 minutes.
Konnichiwa! My name is Weliam
September 11, 2025 at 8:28 AM
Konnichiwa! My name is Weliam
Whoops sorry! Now it makes more sense :) I’m using the Dark Reader extension for Safari. I’m not sure what it’s using for the colors. I guess black? Here’s my settings in case it helps
August 26, 2025 at 1:44 PM
Whoops sorry! Now it makes more sense :) I’m using the Dark Reader extension for Safari. I’m not sure what it’s using for the colors. I guess black? Here’s my settings in case it helps
Wow, this is brilliant work by @samwho.dev! It even has a built in fidget toy (of course I kept clicking on the dog for the ❤️s).
August 26, 2025 at 12:55 PM
Wow, this is brilliant work by @samwho.dev! It even has a built in fidget toy (of course I kept clicking on the dog for the ❤️s).
Really happy with how the algorithms display went at the University of Melbourne Open Day! We gave a demo of en.m.wikipedia.org/wiki/Boyer%E... using playing cards as votes and suits as the parties. Pairing up cards of different suits made it really clear what the algorithm is doing, IMO.
August 17, 2025 at 7:51 AM
Really happy with how the algorithms display went at the University of Melbourne Open Day! We gave a demo of en.m.wikipedia.org/wiki/Boyer%E... using playing cards as votes and suits as the parties. Pairing up cards of different suits made it really clear what the algorithm is doing, IMO.
Guess what I found on a random walk in Melbourne
August 15, 2025 at 8:49 AM
Guess what I found on a random walk in Melbourne
Sign in ice cream store Fluffy Torpedo in Brunswick: Fear not which choice you make, free will is an illusion
July 26, 2025 at 6:19 AM
Sign in ice cream store Fluffy Torpedo in Brunswick: Fear not which choice you make, free will is an illusion
TIL pet means fart in French and that I just had nun’s farts (pets de nonne) for dessert. They were délicieux.
#French
(Image from Wikipedia en.m.wikipedia.org/wiki/Nun%27s...)
#French
(Image from Wikipedia en.m.wikipedia.org/wiki/Nun%27s...)
June 26, 2025 at 7:59 PM
TIL pet means fart in French and that I just had nun’s farts (pets de nonne) for dessert. They were délicieux.
#French
(Image from Wikipedia en.m.wikipedia.org/wiki/Nun%27s...)
#French
(Image from Wikipedia en.m.wikipedia.org/wiki/Nun%27s...)
Loving this mosaic in La Cathédrale de la Major. Does anyone know the symbolism behind it and where it came from?
June 25, 2025 at 8:28 PM
Loving this mosaic in La Cathédrale de la Major. Does anyone know the symbolism behind it and where it came from?
Happy King’s Birthday, Australia!
June 9, 2025 at 2:34 AM
Happy King’s Birthday, Australia!
Exhibit of Harry Potter’s invisibility cloak. Looks like they got the real deal in there 😂
May 13, 2025 at 2:13 PM
Exhibit of Harry Potter’s invisibility cloak. Looks like they got the real deal in there 😂
Fun fact 1: Melbourne was founded by Batman
Fun fact 2: Batman didn’t choose the name Melbourne. Guess what it is?
(Hint: he came from Tasmania)
Fun fact 2: Batman didn’t choose the name Melbourne. Guess what it is?
(Hint: he came from Tasmania)
May 3, 2025 at 4:41 AM
Fun fact 1: Melbourne was founded by Batman
Fun fact 2: Batman didn’t choose the name Melbourne. Guess what it is?
(Hint: he came from Tasmania)
Fun fact 2: Batman didn’t choose the name Melbourne. Guess what it is?
(Hint: he came from Tasmania)
They were disappointed it’s closed though :(
April 19, 2025 at 2:44 AM
They were disappointed it’s closed though :(
Why did the geese cross the road?
To take a gander at the Goosey Gander cafe!
To take a gander at the Goosey Gander cafe!
April 19, 2025 at 2:43 AM
Why did the geese cross the road?
To take a gander at the Goosey Gander cafe!
To take a gander at the Goosey Gander cafe!
Feels magical to fly for 15 hours and land a few hours earlier than the departure time🎄
December 25, 2024 at 6:10 PM
Feels magical to fly for 15 hours and land a few hours earlier than the departure time🎄
There’s a couple of really cool “infinity rooms”
December 21, 2024 at 7:20 AM
There’s a couple of really cool “infinity rooms”
Loving the new Yayoi Kusama exhibition @ National Gallery Victoria #Melbourne
December 21, 2024 at 7:20 AM
Loving the new Yayoi Kusama exhibition @ National Gallery Victoria #Melbourne