Christoffer Gretarsson Alexandersen

60 posts

Christoffer Gretarsson Alexandersen banner
Christoffer Gretarsson Alexandersen

Christoffer Gretarsson Alexandersen

@cgAlexandersen

Maths & neuroscience | Postdoc | Complex Systems Lab, UPenn | Aker Scholar

Beigetreten Kasım 2020
425 Folgt210 Follower
Angehefteter Tweet
Christoffer Gretarsson Alexandersen
❗🧠 New review in IEEE RBME How network math models are reshaping how we think about neurodegenerative disease, from brain dynamics to disease progression "Network models of neurodegeneration: bridging neuronal dynamics and disease progression" ieeexplore.ieee.org/document/11357…
Christoffer Gretarsson Alexandersen tweet media
English
0
22
69
4.6K
Christoffer Gretarsson Alexandersen retweetet
NetSci 2026
NetSci 2026@NetSciConf·
⏳ Abstract submission deadlines for NetSci 2026 Satellites are happening now or soon. Explore the full list and submit yours! netsci2026.com/satellites See you in Boston!
NetSci 2026 tweet media
English
0
2
4
234
Christoffer Gretarsson Alexandersen retweetet
Quanta Magazine
Quanta Magazine@QuantaMagazine·
In 1989, this video shook up neuroscience. Here, glutamate triggers waves of calcium movement between astrocytes, large brain cells that reach millions of neurons. A new wave of research is revealing how this behavior influences our brain states. quantamagazine.org/once-thought-t…
English
7
147
683
73.9K
Christoffer Gretarsson Alexandersen retweetet
Hadrien Oliveri
Hadrien Oliveri@HadrienOliveri·
Job alert🚨I am advertising a 2-year postdoc position to work on the mathematics of plant morphogenesis @mpipz_cologne. Candidates with interests in mathematical modelling, mechanics, or biophysics are strongly encouraged to apply🌱Reposts are appreciated! tinyurl.com/yub3vp45
Hadrien Oliveri tweet media
English
0
38
54
6.4K
Christoffer Gretarsson Alexandersen
Christoffer Gretarsson Alexandersen@cgAlexandersen·
@FoldMani So the question is: there is a structure in neuorimaging data that is found in two modalities, and a relation mapping the structure between the two modalities, and is this interesting on its own or not?
English
1
0
0
23
Chaos
Chaos@FoldMani·
@cgAlexandersen In a more general sense, I use features to refer to whatever you feed your models, and I define whatever generates them from raw data as "feature functions". If you model raw data, I'd view the feature fn to be id(x). But here I'm more referring to common stuff like the above.
English
1
0
0
38
Chaos
Chaos@FoldMani·
Neuroimaging folks, if you see some results showing a novel structure in the data of 2 imaging modalities, relating features you use all the time (think things like connectivity features) to each other. Would you care about this structure
English
1
0
0
76
Christoffer Gretarsson Alexandersen retweetet
Hadrien Oliveri
Hadrien Oliveri@HadrienOliveri·
🌟 New preprint w I. Cheddadi! We tackle a key challenge: building a field theory of plant morphogenesis, based on fundamental balance laws and capturing cell wall remodelling and water dynamics in tissues🌿💧@mpipz_cologne @mpicbg @csbdresden Read more arxiv.org/abs/2409.02775
Hadrien Oliveri tweet media
English
3
9
41
3K
Christoffer Gretarsson Alexandersen retweetet
Penn Engineering
Penn Engineering@PennEngineers·
J.S. Bach’s music is timeless, and @DaniSBassett & @SumanSKulkarni are revealing why. Using network theory, they analyzed hundreds of Bach’s pieces. This approach could augment music therapy, production, and even Spotify recommendations. bit.ly/3WH0jCj
Penn Engineering tweet media
English
0
7
32
2.9K
Christoffer Gretarsson Alexandersen retweetet
Hadrien Oliveri
Hadrien Oliveri@HadrienOliveri·
🚨 Thrilled to announce that I will be joining @mpipz_cologne as a Group Leader this September! My team will explore mathematical & mechanical models of plant growth 🌱‼️ Interested students are welcome to contact me privately.
English
9
15
132
14.8K
Christoffer Gretarsson Alexandersen
‼️🧠Neuronal activity causes symmetry breaking in neurodegenerative disease and pushes disease initiation🧠‼️ Happy to share a new paper with @AlainGoriely @BickMath 🥳 rdcu.be/dHTs6
Alain Goriely@AlainGoriely

It has long been suspected that neuronal activity may promote early spreading of neurodegenerative diseases such as Alzheimer's. In this paper with @cgAlexandersen and @BickMath, we show that this may indeed occur through a symmetry breaking bifurcation rdcu.be/dHQ22

English
0
4
11
1.4K
Christoffer Gretarsson Alexandersen retweetet
Christian Bick
Christian Bick@BickMath·
‼️A number of PhD positions as part of @BeyondEdge_MSCA across Europe are now open for applications with deadlines in late March/early April. Please encourage any suitable candidate to apply.
Christian Bick@BickMath

‼️The MSCA Doctoral Network BeyondTheEdge @BeyondEdge_MSCA is recruiting 10 PhD students. Up-to-date information and deadlines at BeyondTheEdge.network. Spread the word! @DynamicsSIAM @VU_Science @VUMathematics

English
0
4
12
3K