Aleksandra Sobieska
@combinatola
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math and panic twitter. she/her/hers. i'm on the job market, tell your friends.
Joined January 2018
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thrilled to announce my website about the combinatorial aspects of toric varieties: onlyfans dot com
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why are all panels like "here's five guys who went mit, did their postdoc at Harvard, got the so special award at Oxford, and are now the first tenure-track faculty on the moon, ask them your questions" like how can they give me advice. we do not have the same problems.
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doing math:
step 1: relief when your problem reduces to linear algebra
step 2: panic when you realize you somehow don't actually know any linear algebra
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Student eval winner this semester: "she went over the allotted 45 minutes every lecture which was frustrating."
The lecture time slot was 11:00 -- 11:50.
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"how do you choose between multiple job offers" we need to back up
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everyone shut up
@overleaf
added a layout option so you can view your pdf in a separate tab
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does anyone else have that one branch of math that just never sticks? and you relearn the basics every once in a while and it's water off a duck's back? just zero internalization? brand new every time (hello AGAIN rep theory)
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@GauntlettConnor
my algebra 1 teacher always said "recall, and what i mean by that is: learn very quickly"
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@journeymanped
need panels full of ppl like "opening my email inbox makes my stomach hurt and yesterday I embarrassed myself while lecturing, this is how I keep a modicum of motivation and dignity"
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"wow, it's so lucky that all these great zoom seminars are being recorded so i can go back and watch them if i miss one!" i say in agreement, having never in my entire pathetic life watched a recorded zoom seminar
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me, dressed like an urchin, holding out my empty cup to the homological algebraists: please, sir, may i have some example
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doing math is weird because sometimes you puzzle over something for an hour and then realize "OH it's because every number is either even or odd"
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broke: making fun of the 700 pop math golden ratio videos around the Internet
woke: being excited at the 80th video of it some relative or family friend sends you because they're trying to connect with you and understand your field and you shouldn't shame them for that
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one of my students uploaded a 91,373 KB pdf for his final, making it the second largest pdf in my possession after eisenbud's "commutative algebra with a view"
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when you've been writing in TeX so much that you start adding escape characters to ampersands in text messages
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got a comment on notation in a paper draft -- how do you politely respond "no and this is a hill i'll die on"?
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just learned i've been writing lambdas backward my entire mathematical life
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me: yes, i love the academic lifestyle! i am perfectly suited to it
also me: [spends all of august nauseous with anxiety]
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someone pls explain the word "form" to me in a mathematical context. why that word. what am i supposed to be feeling. why shouldn't i just close my eyes and shout "homogeneous polynomial" everytime i see it.
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why aren't adjoints of forgetful functors called "remember functors"
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have you ever found a paper... THE paper... the one that has everything you need... And its contents are such that even if you spent three hours a day reading it you'd die before you understood the introduction.
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@ algebraic geometers everywhere: you can now express your tired ennui with the phrase "same sheaf, different day" you're welcome
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@ my students: what does "as a pdf" mean to you. what do those words mean.
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if i did rep theory/lie algebras, you'd better believe that every slide in every talk would be subtitled "what the Hecke?"
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the stereotype that mathematicians are good at chess is harming me, a very competitive mathematician who is amazingly shit at chess, specifically
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since we write it as "ker f" anyway, we should just start saying "kerf" out loud instead of "kernel of eff." (this goes doubly for "kerg.")
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someone please explain why there is such a huge space in the \mod command in TeX, it looks like
a mod m
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what is a coffee stirrer but a fork with a single tine?
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Full body shudder when I saw this
The optimal known packing of 17 equal squares into a larger square - i.e. the arrangement which minimises the size of the large square.
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being a woman (in math, but also in general) is weird because you get evals that are like "she was great and also pretty" and half of you falls into the society-made trap of feeling fulfilled by compliments about your appearance but (1/2)
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a student came up to me after the exam to whisper conspiratorially "cryptography is actually fun" and my lil heart is bursting
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I've said it before and I'll say it again: if I ctrl+f "example" in your paper and get zero results, you're bad and you should feel bad
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"did i miss anything important in class last week? i didn't go"
how do i answer this without being a wretched, wretched meany
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used the phrase "invokes intense homological magicks" in my research statement and I KNOW it's gonna get cut but I'm DOING IT ANYWAY
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not to imply that i've been utterly useless this past week but is anyone else having a bear of a time getting back into the swing of things
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your slightly woker half immediately has smoke curl out of her nostrils because WHAT DOES THAT HAVE TO DO WITH MY EFFICACY AS AN INSTRUCTOR
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can someone explain to me why I'm always worried that I'll run out of material for class when this has literally never in my life happened and 98% of the time I actually fall short of what I prepped
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the monday after a conference i am always reminded how truly insane it is that mathematicians have their conferences on the weekends
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this paper has a section titled "Examples" and i've never felt so blessed, happy friday y'all
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vital part of being a mathematician is returning to a problem every six or so months, going "ah, but this is obvious! if we just..." then re-emerging a week later with shamed by the memory of why we stopped working on it in the first place
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student's post-exam email subject line started with "not urgent" and i think i'm gonna give them an A just for the adrenaline rush that gave me
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academics be like "labor day weekend! finally time to catch up on some labor!"
(it's me i'm academics)
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many blessings to the student who wrote "her combinatorial humor is on point" in my student evals, your comment will fuel me through this entire new year
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jokingly asked my student "fam? do we still say fam or are we phasing that out?" and she looked at me with pity and replied "i think it's been phased out." great now i have to come to terms with the imminent loss of my place as Your Hippest Professor.
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"left is just negative right" this is ur brain on math
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i don't have synesthesia but injections are red, surjections are blue, and bijections are purple, no, i am not taking questions
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favorite zoom live caption from this weekend's ams sectional so far: simplicial homology -> social apology
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combinatorialists really out here differentiating formal power series huh
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mask mandate's lifting and on the whole everyone is uglier than i thought
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i could work on my talk for a conference that i give in less than a week OR
or
i could pull out the ukulele i haven't played for 5 years and try and learn "toss a coin to your witcher"
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"starting a new project! i should just clean up my latex preamble a bit."
[remove one line]
[468 errors. overleaf crumbles. curly braces hammer at the window. in the distance, sirens.]
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unexplainable phenomenon: no matter how absolutely wild and abstract a comm alg/alg geom talk is, they will always stop and carefully define multinomial notation. like i fully grasp the Hilbert scheme of points but have never seen x^a before.
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cannot stand the fact that, on top of having to grade exams, you also have to tally and enter the scores
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i KNOW jmm is huge and overwhelming, but also: i have so many friends??????! like, there are so many people on this earth that make me happy when i see them?
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cool fun thing about math is how we use words that have a meaning in standard english so that sometimes when you google things you learn that "bar complex" is not only a free resolution of the ground field of an algebra but also a gay night club in lexington ky
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shelter-in-place level: every time i see the word "gröbner basis" i go "groby baby" and cackle
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when your students are so frequently wrong on an exam problem in such a weirdly specific way that they gaslight you into doubting everything you ever knew
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thought my marriage was rock solid and then my husband said our pan-fried tofu was "too crispy"????????
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the tikz at combinatorics conferences is absolutely next level, we're not even contenders
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came to a combinatorics summer school with only one pack of colored sharpies like a frickin rookie
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me, about to burst a blood vessel trying to relatable to my gen z computer science students: big O notussy
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i can't believe i spent the week at jmm in denver and not a single soul made a "heh heh /JOINT/ math meeting" joke
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what if i focused on one thing at a time instead of blankly staring at two different papers, piazza, and my email inbox simultaneously
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good grades at anime college, call that manga cum laude
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i thought that accepting a postdoc offer would be easy but it turns out it's ALSO hard why is every part of this process utterly harrowing
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one of my exam questions was posted to chegg! i feel like i've made it to the big leagues.
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organizing a special session is incredible because every talk you're like "wow! this looks good! i should go to that! this session is fantastic, it's, like, especially curated to appeal to me and my interests!"
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I was today years old when I noticed the difference in the definitions of algebraic and integral closure 🤦
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i just used my webcam to pick a pimple in an empty zoom meeting and if that's not peak 2020
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have typoed \xrightarrow so many times this morning i'm going to have to name my next d&d character Rig Tharrow
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@hayden_wlog
idk but we're gonna need to get an easier group hobby for my lazy ass (options: drinking, knitting)
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me: haha, people are so weird and persnickety about their LaTeX!
also me: if you don't put every single one of your integers into math mode don't talk $2$ me 😤😤😤
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teaching linear algebra? more like "realizing how abysmal my linear algebra foundations are"
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those scenes in movies where mathematicians have boards full of scribbling are absolute propaganda, as this random page in my research notebook i just found can attest
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sent out a google form to my class of 26 students to see how they feel about the switch to remote... got 28 responses 👍
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need someone to ask me if i know about gröbner bases so i can reply "oh, i'm a huge gröbner fan"
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[slaps roof of five hundred student course] this bad boy can fit so many exam time conflicts in it
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"no matter what you do in life, you end up back at a toric variety."
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i feel like i get an unbelievable amount of mileage out of the fact that a*b=LCM(a,b)*GCD(a,b)
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>work on something for two months
>find out it's already in a paper from 1994
>?????
>profit........?
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someone just sent me an email that ended in "no need to reply" and I've never felt so free, can we normalize this???
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y'all i just sent my first draft of my thesis to my advisor and like obv it will need to undergo loads of revisions but IT STILL FEELS REALLY GOOD
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all these "how to make thanksgiving dinner for two" pages like "we know you don't want to eat pie for days, so try this fiddly little dessert instead!" LIKE WHO TOLD YOU I DON'T WANT TO EAT PIE FOR DAYS CHECK YOUR SOURCES
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my day was going so-so and then i learned that i can make macaulay2 output tex so i don't have to handcode a bunch of huge matrix examples and now this is maybe in my top 5 days ever
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me, nervously: hey, fellow posdocs, would anyone be interested in, like, a social interaction? would that be okay? if not it's totally cool haha no worr --
my email inbox: GOD YES PLEASE WE'RE STARVING OUT HERE
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ppl who talk smack about "commutative algebra with a view" can honestly fight me
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new favorite zoom conference feature: participant doesn't mute their mic and just breathes into it so that we all feel like darth vader is also studying commutative algebra
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virtual lunches are already awkward enough but the fact that no one actually eats lunch at them and you have to, like, duck off your webcam to sneak bites of your reheated chicken before it gets cold is their crowning annoyance
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that thing where we all inevitably become our parents except we all inevitably become our advisors as i proved today by totally losing my cool and word-vomiting abt richard stanley and the g-theorem in seminar today
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i was spoiled with a single office during grad school and now i have a six-person office hhhhhhh
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ah and they're from an alternate universe called "the krull dimension"
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