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Publication Pen vs. Keyboard? Why the Tool Doesn’t Matter as Much as You Think for Personal Knowledge Management(2025-06)Handwritten notes are often romanticized as inherently better for learning than digitally-taken notes. In academic and productivity circles, many swear either by pen and paper or digital note-taking apps. But is the pen truly mightier than the keyboard – or is it the other way around? This post takes an evidence-informed look at this ongoing discussion. - Some of the metrics are blocked by yourconsent settings
Publication “Too Good to Be True?”: How Heuristics Can Help Detect Educational Myths.(2025-06)Educational myths are widespread – seductive, simple, and surprisingly persistent. They often promise quick fixes and universal truths, yet often lack any solid evidence. So how can educators, researchers, and students distinguish between credible insights and misleading claims? In this post, I explore a set of practical heuristics that function as red flags for questionable beliefs in education. Think of them as a valuable tool in your baloney detection toolkit. - Some of the metrics are blocked by yourconsent settings
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Publication Block components of generalized quaternion group codes(2025-01-02)Codes in the generalized quaternion group algebra F q [Q 4n ] are considered. Restricting to charF q ∤ 4n the structure of an arbitrary code C ⊆ F q [Q 4n ] is described via the Wedderburn decomposition. Moreover it is known that in this case every code C ⊆ F q [Q 4n ] has a generating idempotent λ ∈ F q [Q 4n ]. Given the generating idempotent of a code C we determine the different components in its decomposition C ∼ = r+s j=1 C j ⊕ k+t i=1 C ′ i. Afterwards we apply this result to describe the blocks of codes induced by cyclic group codes.
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