4 papers
RSLM: Training-Free Vector Quantization for Approximate Nearest Neighbor Search
Rastislav Lenhardt, Teodora Dobos, Thomas Vecchiato +2
By introducing RSLM (Rotated Scaled Lloyd-Max), a family of training-free vector quantization codecs compressing embeddings to 1--4 bits per dimension, we reduce memory cost and me…
Challenges in Finding Stable Price Zones in European Electricity Markets: Aiming to Square the Circle?
Teodora Dobos, Martin Bichler, Johannes Knörr
The European day-ahead electricity market is split into multiple bidding zones with a uniform price. The increase in renewables leads to a growing number of interventions in the ge…
Zonal vs. Nodal Pricing: An Analysis of Different Pricing Rules in the German Day-Ahead Market
Johannes Knörr, Martin Bichler, Teodora Dobos
The European electricity market is based on large pricing zones with a uniform day-ahead price. The energy transition leads to changes in supply and demand and increasing redispatc…
Solving Large-Scale Electricity Market Pricing Problems in Polynomial Time
Mete Şeref Ahunbay, Martin Bichler, Teodora Dobos +1
Electricity market operators worldwide use mixed-integer linear programming to solve the allocation problem in wholesale electricity markets. Prices are typically determined based…