Sam Yusim

@syus.bsky.social

216 Followers 720 Following

she/her I'm obsessed with math and I used to program video games and I live in Montreal. 31 years old but just started a math PhD in number theory at McGill university in January! Blog: https://friday.party

My dog, a black and tan Shiba Inu, also on her back in a similar pose to Artyom's dog above.
A YouTube thumbnail I found in an image search for baby yoshi that has a picture of a baby yoshi with its mouth open and says 'BABY YOSHI IS ADORABLE'
The classic Mike F (rip to a legend) tweet where he says "Check this shit out motherfucker [I slide one foot out from under me and fall on my ass, it's not clear what kind of move I was trying to do]"
Screenshot of a tweet by Ken Klippenstein from June 1st, 2026 that says "Graham Planter's durability shows that the era of smoothgroin politicians is coming to an end" and links to an article on his blog with overlayed dark souls text that says "SMOOTHGROINS VINDICATED"
Me on the Montreal metro wearing a black dress with purple flowers and bats on it. My hair is shoulder length and dyed black with bright red roots.
Me in the late afternoon by the river in Montreal. My hair is dyed black with bright red roots, I'm wearing a black dress.
Picture of the scene from SpongeBob SquarePants where he and Patrick are selling chocolate door to door and the guy starts screaming the word chocolate, but with the subtitle hastily overwritten to say "VANILLA". Also there's a watermark from some website called quickmeme.com in the bottom right
A chess puzzle. If anyone wants a FEN they can feel free to DM me and ask for it, but I don't want to put in the effort if I don't have to lol
A picture of a man in a convenience square from behind captioned "What's bro wearing 💀💀". His shirt has a 6, a 7, a 9, and an 11 in a square. Between the 6 and the 7 is an arrow with a laugh-crying emoji, between the 6 and the 9 is an arrow with a picture of stick figures 69ing, between the 7 and the 11 is an arrow with the 7/11 logo, and between the 9 and the 11 is an arrow with a picture of the twin towers being hit by planes.
Macaulay Culkin making the famous Home Alone "scream" face
The cover of the aforementioned book, Quantum Fields and Strings: A Course for Mathematicians (volume 1). It features a four-panel comic where in the first two panels, groups of physicists and mathematicians are happy and comfortable discussing their own subject, and then in the second two panels both groups are utterly baffled discussing the other group's subject.
p.46 (pdf p. 69) of the book Quantum Fields and Strings: A Course for Mathematicians, https://bookstore.ams.org/qft-1-2-s/. On this page, among other things, is the highlighted text "A unit is an even element 1 [...] such that 1x = x1 = x."
Two gusties, which are tube shaped translucent enemies from various Yoshi games
a commutative diagram consisting of 3 exact sequences involving tensor products and direct sums
An illustration of a door with an arrow pointing to the door jamb
A photo of the homemade chicken noodle soup. It has carrots, celery, chicken, pasta, and parsley.
My dog Umbra laying beside my legs on the couch
A definition of the inflation homomorphism in group cohomology from Milne's class field theory notes
My cat Max sitting all the way up on my chest, covering the bottom half of my face as we both stare at the camera
The aforementioned soup with a piece of toast
The same picture posted above with 3 tiny copies of the rat(?) added in.
Figure 2.3 from the above book. It shows a relationship between "the light of real numbers" and "the lights of prime numbers"
Screenshot of the book Number Theory I: Fermat's Dream. It says "Let us consider another circle x^2 + y^2 =3. The fact is that this circle does not have any rational point at all. Can you tell by looking at Figures 2.1 and 2.2 that the right one does not have any rational points while the left one has infinitely many? I suspect not. Human vision cannot distinguish such a thing."
A custom keycap with the Pokemon mudkip's face on it
Most of page 194 of Gortz and Wedhorn's book Algebraic Geometry I: Schemes.
An anki flashcard preview displaying a commutative diagram approximately properly rendered.
A photo of the view from a field in a park completely covered in snow
A screenshot of an email from McGill university titled "Register for our upcoming Pre-Arrival webinars", also demonstrating the horrible Gmail UI.
My cat Max sitting among my notes and textbook licking herself
The classic Garfield breast reduction comic
Me in the car with a black outfit, cat ears, and black lipstick and eyeliner, and 3 necklaces
rak1507: I'm not American but if I was I'd be slightly unhappy about my taxes subsidising people to eat junk food maybe people will have to get a job or eat healthily, not the end of the world syusim: If I have enough money to pay for other people's food who can't afford it and still get by just fine, and I don't want to do it, that would make me a bad person I don't know how to explain that it's good to care about other people rak1507: I used to feel the same way until I volunteered at a food bank/mutual aid organisation, which caused me to become slightly disillusioned. There were entire families who had essentially developed learned helplessness, and were entirely reliant on external support, and then despite receiving thousands of pounds in food every month, they were extremely picky and ungrateful We will only eat x brand of cereal, we don't eat fruit, etc Can't be a good thing long term
an email notification about an intro to grad studies webinar at McGill for upcoming grad students
Theorem 5.15 from Gortz and Wedhorn, which is a generalization of the Noether normalization theorem
My dog wearing a party hat and eating a cookie that says 'bonne fête!'
On the left, my e-ink notepad with a calculation of the first few terms of the 2-adic representation of 1/3, and on the right, Neukirch's book Algebraic Number Theory open to the introduction to p-adic numbers.
A photo of my supernote manta displaying a page of the textbook Algebraic Geometry I: Schemes by Gortz and Wedhorn
No time to transcribe this, sorry
Sorry I don't have time to transcribe these screenshots right now
A bowl of the above-described soup
Me at a bar with some eyeliner and black lipstick on and my newly dyed black hair
Photo of my face showing my new black hair
Me and my dog lying on the couch together in my living room
My hand pulling Max's ears back as I pet her, causing her to make a funny expression
A photo of myself lying in bed smiling
A photo of me with my new snakebite piercings
Selfie of me lying on the couch, my cat is lying on my chest
Establish Affordable Housing Tribunals: ● In order to reduce rent increases and protect tenants, housing tribunals will be established. Rent will be adjusted to income tested thresholds being no greater than a third of income for tenants. ● Ban no-cause evictions. ● Implement a national rent freeze. ● Guarantee free legal counsel for tenants.
Quora question: "atheists, imagine you're going skydiving with a Christian baby. Suddenly the baby tells you he won't open his parachute until you renounce atheism and accept Jesus as your lord and savior. What would you do?
My cat laying on the couch and staring into the distance
Myself lying on the couch in a tank top and shorts with my dog
A funny photo of my dog in a fisheye perspective with her mouth open mid-yawn
A plate of birria tacos with a side of consomme. My dog is also off to the side.
A Keychron Q6 Max in the box on my counter. My dog is standing in the corner as well.
A picture of umbra having her face squished while being pet
A picture of my dog, taken from close to her nose so it looks kind of funny
A photo of my cat
UK Conservative party twitter post: Don't let the doomsters and naysayers trick you into talking down our country. The UK is as strong as ever. Followed by an obnoxious image that says "BRITAIN IS THE SECOND MOST POWERFUL COUNTRY IN THE WORLD"
The book Algebraic Number Theory by Jurgen Neukirch. To the side, the small text in German: "Grundlehren der mathematischen Wissenschaften"
A plush duck/banana hybrid, a JoJo's Bizarre Adventure art book, as well as two math books: Diamond & Shurman's A First Course in Modular Forms, and Silverman's The Arithmetic of Elliptic Curves