49 citations · 62 across the 3 of their papers we have counts for
3 papers
cs.CL2025
TeachLM: Post-Training LLMs for Education Using Authentic Learning Data
Janos Perczel, Jin Chow, Dorottya Demszky
The promise of generative AI to revolutionize education is constrained by the pedagogical limits of large language models (LLMs). A major issue is the lack of access to high-qualit…
physics.optics2011★ 49 cited
Invisibility cloaking without superluminal propagation
Janos Perczel, Tomas Tyc, Ulf Leonhardt
Conventional cloaking based on Euclidean transformation optics requires that the speed of light should tend to infinity on the inner surface of the cloak. Non-Euclidean cloaking st…
physics.optics2011★ 13 cited
Partial Transmutation of Singularities in Optical Instruments
Janos Perczel, Ulf Leonhardt
Some interesting optical instruments such as the Eaton lens and the Invisible Sphere require singularities of the refractive index for their implementation. We show how to transmut…