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Russian politician and nationalist Dmitry Demushkin: "Only future generations will be able to fully grasp the scale of the disaster we find ourselves in. We won’t even be able to comprehend it ourselves. We are sliding back into the Third World."

Abstract: I will discuss one part of my PhD thesis, in which I provide a categorification of the notion of a mathematical structure originally given by Bourbaki in their set theory textbook. The main result is that any isomorphism-invariant property of a finite structure can be checked by computing the number of isomorphic copies of small substructures it contains. A special case of this theorem is the classical result of Hilbert about elementary symmetric polynomials generating the algebra of all symmetric polynomials. I will also discuss how the logical complexity of a positive formula controls the size of the small substructures one must count.

Slides: https://aten.cool/documents/slides/Aten_New_York_Category_Seminar_2024.pdf

"Wild Hornets" has developed remote-control technology for STING interceptor drones. Its core idea is that an operator can control the interceptor from hundreds of kilometers away from the launch point.

HORNET VISION Ctrl has undergone several months of combat testing on the front line and has already demonstrated effectiveness in use. The video demonstrates the distance between the operator and the launch point, with the operator controlling the STING from a hotel.

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This is my talk at the University of Colorado Boulder's PALS seminar in the fall of 2024. I discuss the construction of a family of topological lattices, called book spaces, whose underlying spaces are simplicial complexes of a particular form.

PALS: https://math.colorado.edu/algebralogic/index.html

Russian celebrities and sympathetic journalists are outraged by the culling of livestock, the blocking of Telegram and internet disruptions. Propagandist Anastasia Kashevarova complains that citizens are not receiving any explanations from the Kremlin, the government or the State Duma. “The exact opposite is happening: blockades, shutdowns, the thoughtless destruction of businesses, the barbaric slaughter of livestock, social injustice, and legal nihilism. A wall of mistrust and misunderstanding is growing between the people and the authorities.” The newspaper Moskovsky Komsomolets published a column by political affairs columnist Dmitry Popov entitled “Russia is being rocked by banned leaflets: the battle against reality in this week’s news”. Popov also criticises the culling of livestock, the lack of “honest and open communication with the authorities”, and the blocking of mobile internet without explanation.

Since the start of spring, the authorities in Siberia have been sending livestock to slaughter on a massive scale. Farmers say that officials are not showing owners the test results, and that the animals seized often appear healthy. According to one theory, the reason for these measures may not be pasteurellosis, but a more serious disease – foot-and-mouth disease.

Dissatisfaction is also growing over the situation with Telegram. It is expected that the messaging app will be completely blocked in Russia in early April.

Is it possible to get through to the authorities? We discuss this with Maxim Glikin, editor-in-chief of the ‘We Can Explain’ project, and political analyst Denis Grekov.

00:00 Dissatisfaction is growing in Russia over blockades and the slaughter of livestock

The crew of a Mi-8 helicopter shot down 12 "Shahed" drones in three hours, the Ukrainian Navy reported.

HUR published footage of the destruction of one launcher and two high-value "Zircon" missiles in temporarily occupied Crimea. A total of seven Russian occupiers were also killed and wounded. One missile is estimated to cost over $10 million.

Jon Lebkowsky is a digital pioneer, veteran digital rights activist, author, and EFF-Austin board member. In this brief talk, he makes a call to return to the original vision of the internet. Recorded March 13, 2026 at EFF-Austin Interactive.

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The Russians have been attacking various cities in Ukraine all day.