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University of Graz News Welt in Zahlen

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Wednesday, 23 November 2022

Welt in Zahlen

Weltkarte mit 0 und 1

Von IT über Molekularbiologie bis hin zur Musik - Mathematik spielt eine zentrale Rolle. Foto: Gordon Johnson - pixabay

Mathematik ganz einfach: Ringvorlesung zur Schlüsselwissenschaft des 21. Jahrhunderts

„Mathematik, einfach verständlich nähergebracht“ – darauf zielt eine Ringvorlesung der neun steirischen Hochschulen im aktuellen Wintersemester ab. Die Online-Vorträge profunder Wissenschafter:innen finden im Abstand von zwei Wochen statt, mit der Möglichkeit im virtuellen Raum Fragen zu stellen und zu diskutieren.

Rechenmodelle
Klemens Fellner, Mathematiker an der Universität Graz, erläutert, warum das Fach so wichtig ist: „Um das Zusammenspiel in komplexen Systemen zu verstehen, braucht es zählbare Größenordnungen. Daher ist die Mathematik eine Schlüsselwissenschaft im 21. Jahrhundert.“
So spielt die Zahlenlehre auch beim Fettstoffwechsel, den Molekularbiolg:innen der Uni Graz untersuchen, eine entscheidende Roll. Fellner: „Es ist ein Bedürfnis der Menschen, die Welt in Zahlen zu gießen. Auch Vorgänge im Körper. Der erzeugt zum Beispiel etwa 3,8 Millionen Zellen pro Sekunde. Dabei spielen Fettsäuren eine Rolle, deren Zählung – wie auch Sauerstoffmoleküle in der Luft – nur schwer möglich ist. Diese versuche ich gemeinsam mit Molekularbiolog:innen in Form der Dichte zu beziffern. Unsere Rechenmodelle sollen helfen, Störungen im Fettstoffwechsel besser zu erkennen und später einmal Medikamente individuell einzusetzen.“

Wenn Mathematik abhebt
Der nächste Vortrag der Ringvorlesung findet am Mittwoch, 30. November 2022 um 17 Uhr online statt.
Bernd Messnarz (FH JOANNEUM): „Wenn Mathematik abhebt: Wie werden Drohnen mit linearen Gleichungssystemen gesteuert?“

Das weitere Programm
7. Dezember 2022: Christoph Aistleitner (TU Graz): „Was ist mathematische Forschung? Von den Grundlagen zur Anwendung“
21. Dezember 2022: Karl-Heinz Grass (Pädagogische Hochschule Steiermark) und Kristina Krause (Uni Graz): „Funktionen von Funktionen“
11. Jänner 2023: Robert Schütky (Private Pädagogische Hochschule Augustinum): „Größen im Alltag“
25. Jänner 2023: Robert Höldrich (Kunstuniversität Graz): „Sounds great. Die Mathematik hinter dem Klang der E-Gitarre“

>> mehr erfahren

created by Andreas Schweiger

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Fair distribution: Researchers determine just greenhouse gas budgets for all EU regions

Ten years ago, on 12 December 2015, the Paris Climate Agreement was signed at the UN Climate Conference. In order to limit global warming to well below two degrees, only a certain amount of CO2 may be emitted worldwide. While the focus was originally on national emission targets, more than 200 subnational regions and almost 300 cities have now adopted their own targets. But how many emissions are they fairly entitled to? Researchers at the University of Graz have now developed transparent criteria for fair distribution at the subnational level for the first time and determined corresponding greenhouse gas budgets for all European regions. The paper was published today in the scientific journal Nature Communications.

Chemical Christmas show at the University of Graz: An explosive evening at the Schauspielh

At the beginning of December, the University of Graz transformed the theater into a laboratory: as part of “Chemical Life,” teacher training students staged a chemical Christmas show for Styrian school classes—complete with ethanol rockets, nitrogen snow, and glowing effects. An evening designed to inspire interest in studying chemistry.

Train by train: Koralm railway accelerates exchange between the Universities

Lectures at the University of Klagenfurt in the morning, seminars at the University of Graz in the afternoon: Austria's longest tunnel and a journey time of around 45 minutes make it easy. The Koralm railway increases the speed of networking between the two university locations. The collaboration builds on existing cooperation - for example in the areas of teacher training, Slavic studies and as employers, the universities are well coordinated.

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