activity
20242026
collaborators

10 papers

math.CO2026

On card guessing after an asymmetric single-shelf shuffle

Alexander Clay, Markus Kuba, Raghavendra Tripathi

We provide a definitive analysis of the number of correct guesses in the complete-feedback card guessing game after an asymmetric single-shelf shuffle with parameter .…

math.PR2026

Analysis of the asymmetric shelf shuffle

Raghavendra Tripathi

In an asymmetric shelf shuffle, a deck of cards is dealt sequentially from the bottom and assigned one of the shelves uniformly at random. The card is placed at the top of…

math.PR2026

Cutoff for asymmetric shelf shuffle

Raghavendra Tripathi

A mechanical shuffler consists of shelves. A deck of cards, arranged in increasing order, is dealt from the bottom sequentially. Each card is assigned a shelf uniformly at…

math.PR2026

Log-Sobolev under random monotone censoring

Patrick Oliveira Santos, Raghavendra Tripathi, Pierre Youssef

We show that the logarithmic Sobolev inequality of the Boolean cube is stable under random monotone censoring. More precisely, if is chosen uniformly among…

math.PR2026

On the partition function of a class of Mallows model

Raghavendra Tripathi

Let $\Sym{n}$ denote the set of all permutations on labels. Let be a twice continuously differentiable function. A subfamily of the Mallows model is…

math.PR2026

On the position matrix of single-shelf shuffle and card guessing

Raghavendra Tripathi

Mechanical shufflers used in many casinos employ a card shuffling scheme called \emph{shelf shuffling}. In a single-shelf shuffling, cards arrive sequentially, and each incoming ca…