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- Michael E. Mays, Jerzy Wojciechowski
- Discrete Mathematics
- 2000

Catalan numbers arise in a family of persymmetric arrays with determinant 1. The demonstration involves a counting result for disjoint path systems in acyclic directed graphs.

- Lorna J. Kennedy, Heather J Huson, +5 authors George M. Happ
- Tissue antigens
- 2006

Canine hypothyroid disease is similar to Hashimoto's disease in humans, which has been shown to be associated with human major histocompatibility complex (MHC) genes. We have collected 27 Dobermanâ€¦ (More)

A function f : R â†’ R is a connectivity function if the graph of its restriction f |C to any connected C âŠ‚ R is connected in R Ã— R. The main goal of this paper is to prove that every function f : R â†’â€¦ (More)

In [5] Abbott and Katchalski ask if there exists a constant c > 0 such that for every d â‰¥ 2 there is a snake (cycle without chords) of length at least c3 in the product of d copies of the completeâ€¦ (More)

A graph G is a (d, d + s)-graph if the degree of each vertex of G lies in the interval [d, d + s]. A (d, d + 1)-graph is said to be semiregular. An (r, r +1)-factorization of a graph is aâ€¦ (More)

- Jerzy Wojciechowski
- Combinatorica
- 1989

In this paper we give a new lower bound on the length of Snake-in-the-Box Codes, i.e., induced cycles in the d-dimensional cube. The bound is a linear function of the number of vertices of the cubeâ€¦ (More)

- Jerzy Wojciechowski
- Combinatorica
- 1994

We present a construction of an induced cycle in the n-dimensional hypercube I[n] (n â‰¥ 2), and a subgroup Hn of I[n] considered as the group Z2 , such that |Hn| â‰¤ 16 and the induced cycle usesâ€¦ (More)

- Salar Y. Alsardary, Jerzy Wojciechowski
- Discrete Mathematics
- 1998

A basis of the cycle space C(G) of a graph G is h-fold if each edge of G occurs in at most h cycles of the basis. The basis number b(G) of G is the least integer h such that C(G) has an h-fold basis.â€¦ (More)

- Jerzy Wojciechowski, Maciej S. Stolarski, Gerald Matthews
- PloS one
- 2014

Processing facial emotion, especially mismatches between facial and verbal messages, is believed to be important in the detection of deception. For example, emotional leakage may accompany lying.â€¦ (More)

- Mark J. Bergander, David P. Schmidt, +6 authors Mateusz Szklarz
- 2014

This paper describes a novel approach to the Rankine vapor compression cycle for cooling and refrigeration. The specific innovation is the application of a two-phase device known as a â€œcondensingâ€¦ (More)