Autor: Hinz, Andreas - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Hanoi Graph $H_4^3$
Autorzy:: Hinz, Andreas M.
Movarraei, Nazanin
Powiązania:: https://bibliotekanauki.pl/articles/31348122.pdf
Data publikacji:: 2020-11-01
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:: Hanoi graphs
Sierpiński graphs
metric dimension
domination number
dominator chromatic number
Opis:: Metric properties of Hanoi graphs $H_p^n$ are not as well understood as those of the closely related, but structurally simpler Sierpiński graphs $S_p^p$. The most outstanding open problem is to find the domination number of Hanoi graphs. Here we concentrate on the first non-trivial case of $H_4^3$, which contains no 1-perfect code. The metric dimension and the dominator chromatic number of $H_4^3$ will be determined as well. This leads to various conjectures for the general case and will thus provide an orientation for future research.
Źródło:: Discussiones Mathematicae Graph Theory; 2020, 40, 4; 1095-1109
2083-5892
Pojawia się w:: Discussiones Mathematicae Graph Theory
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Power Domination in Knödel Graphs and Hanoi Graphs
Autorzy:: Varghese, Seethu
Vijayakumar, A.
Hinz, Andreas M.
Powiązania:: https://bibliotekanauki.pl/articles/16647915.pdf
Data publikacji:: 2018-02-01
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:: domination
power domination
Knödel graph
Hanoi graph
Opis:: In this paper, we study the power domination problem in Knödel graphs WΔ,2ν and Hanoi graphs $H_p^n $. We determine the power domination number of W3,2ν and provide an upper bound for the power domination number of Wr+1,2r+1 for r ≥ 3. We also compute the k-power domination number and the k-propagation radius of $H_p^2$.
Źródło:: Discussiones Mathematicae Graph Theory; 2018, 38, 1; 63-74
2083-5892
Pojawia się w:: Discussiones Mathematicae Graph Theory
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Power Domination in Knödel Graphs and Hanoi Graphs
Autorzy:: Varghese, Seethu
Vijayakumar, A.
Hinz, Andreas M.
Powiązania:: https://bibliotekanauki.pl/articles/31342442.pdf
Data publikacji:: 2018-02-01
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:: domination
power domination
Knödel graph
Hanoi graph
Opis:: In this paper, we study the power domination problem in Knödel graphs $ W_{ \Delta,2 \nu } $ and Hanoi graphs $ H_p^n $. We determine the power domination number of $ W_{3,2 \nu } $ and provide an upper bound for the power domination number of $ W_{r+1,2^{r+1}} $ for $ r \ge 3 $. We also compute the $k$-power domination number and the k-propagation radius of $ H_p^2 $.
Źródło:: Discussiones Mathematicae Graph Theory; 2018, 38, 1; 63-74
2083-5892
Pojawia się w:: Discussiones Mathematicae Graph Theory
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Predictors of mental health in female teachers
Autorzy:: Seibt, Reingard
Spitzer, Silvia
Druschke, Diana
Scheuch, Klaus
Hinz, Andreas
Powiązania:: https://bibliotekanauki.pl/articles/2179062.pdf
Data publikacji:: 2013-12-01
Wydawca:: Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:: Mental Health
female school teacher
work stress
personal factor
predictor
Opis:: Objective: Teaching profession is characterised by an above-average rate of psychosomatic and mental health impairment due to work-related stress. The aim of the study was to identify predictors of mental health in female teachers. Material and Methods: A sample of 630 female teachers (average age 47±7 years) participated in a screening diagnostic inventory. Mental health was surveyed with the General Health Questionnaire GHQ-12. The following parameters were measured: specific work conditions (teacher-specific occupational history), scales of the Effort-Reward-Imbalance (ERI) Questionnaire as well as cardiovascular risk factors, physical complaints (BFB) and personal factors such as inability to recover (FABA), sense of coherence (SOC) and health behaviour. Results: First, mentally fit (MH⁺) and mentally impaired teachers (MH⁻) were differentiated based on the GHQ-12 sum score (MH⁺: < 5; MH⁻: ≥ 5); 18% of the teachers showed evidence of mental impairment. There were no differences concerning work-related and cardiovascular risk factors as well as health behaviour between MH⁺ and MH⁻. Binary logistic regressions identified 4 predictors that showed a significant effect on mental health. The effort-reward-ratio proved to be the most relevant predictor, while physical complaints as well as inability to recover and sense of coherence were identified as advanced predictors (explanation of variance: 23%). Conclusion: Contrary to the expectations, classic work-related factors can hardly contribute to the explanation of mental health. Additionally, cardiovascular risk factors and health behaviour have no relevant influence. However, effort-reward-ratio, physical complaints and personal factors are of considerable influence on mental health in teachers. These relevant predictors should become a part of preventive arrangements for the conservation of teachers' health in the future.
Źródło:: International Journal of Occupational Medicine and Environmental Health; 2013, 26, 6; 856-869
1232-1087
1896-494X
Pojawia się w:: International Journal of Occupational Medicine and Environmental Health
Dostawca treści:: Biblioteka Nauki

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